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This commit is contained in:
Joseph Hopfmüller
2023-01-23 08:17:09 +01:00
commit 1d8dca1c6c
11733 changed files with 1219458 additions and 0 deletions
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319
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Version 4
SHEET 1 2412 1016
WIRE -608 -144 -864 -144
WIRE -464 -144 -608 -144
WIRE -368 -144 -464 -144
WIRE -256 -144 -368 -144
WIRE -96 -144 -256 -144
WIRE 176 -144 -96 -144
WIRE 256 -144 176 -144
WIRE -864 -128 -864 -144
WIRE 256 -128 256 -144
WIRE -368 -112 -368 -144
WIRE -464 -80 -464 -144
WIRE -256 -48 -256 -144
WIRE -96 -48 -96 -144
WIRE -864 -32 -864 -48
WIRE -752 -32 -864 -32
WIRE -528 -32 -672 -32
WIRE 256 -32 256 -48
WIRE -864 -16 -864 -32
WIRE -464 32 -464 16
WIRE -464 32 -800 32
WIRE -464 48 -464 32
WIRE -256 48 -256 32
WIRE -96 48 -96 32
WIRE 176 80 176 -144
WIRE -176 96 -192 96
WIRE -160 96 -176 96
WIRE -608 112 -608 -144
WIRE -464 144 -464 128
WIRE -368 144 -368 -48
WIRE -368 144 -464 144
WIRE -864 160 -864 80
WIRE -864 160 -944 160
WIRE -784 160 -864 160
WIRE -464 160 -464 144
WIRE -256 160 -256 144
WIRE -176 160 -176 96
WIRE -176 160 -256 160
WIRE -96 160 -96 144
WIRE 32 160 -96 160
WIRE 128 160 112 160
WIRE -368 192 -384 192
WIRE -272 192 -304 192
WIRE 176 192 176 176
WIRE -944 240 -944 160
WIRE -784 240 -784 160
WIRE -464 256 -464 240
WIRE -1296 288 -1456 288
WIRE -1216 288 -1232 288
WIRE -1152 288 -1216 288
WIRE -1040 288 -1072 288
WIRE -1008 288 -1040 288
WIRE -704 288 -720 288
WIRE -608 288 -608 192
WIRE -608 288 -704 288
WIRE -384 288 -384 192
WIRE -384 288 -608 288
WIRE -368 288 -384 288
WIRE -272 288 -272 192
WIRE -272 288 -288 288
WIRE -176 288 -272 288
WIRE -16 288 -176 288
WIRE 176 288 176 272
WIRE 176 288 64 288
WIRE 336 288 176 288
WIRE 512 288 336 288
WIRE -1456 304 -1456 288
WIRE -1216 304 -1216 288
WIRE -1040 304 -1040 288
WIRE -96 304 -96 160
WIRE 176 304 176 288
WIRE 336 304 336 288
WIRE 512 304 512 288
WIRE -704 320 -704 288
WIRE -256 336 -256 160
WIRE -608 384 -608 288
WIRE 336 384 336 368
WIRE -1456 400 -1456 384
WIRE -1216 400 -1216 384
WIRE -1040 400 -1040 368
WIRE 176 400 176 384
WIRE 512 400 512 384
WIRE -704 416 -704 400
WIRE -96 416 -96 384
WIRE 32 416 -96 416
WIRE 128 416 112 416
WIRE -336 464 -352 464
WIRE -256 464 -256 416
WIRE -256 464 -272 464
WIRE -96 464 -96 416
WIRE -80 464 -96 464
WIRE 0 464 -16 464
WIRE 336 480 336 464
WIRE -704 496 -704 480
WIRE -256 496 -256 464
WIRE -96 496 -96 464
WIRE -944 544 -944 336
WIRE -944 544 -1008 544
WIRE -784 544 -784 336
WIRE -352 544 -352 464
WIRE -352 544 -784 544
WIRE -320 544 -352 544
WIRE 0 544 0 464
WIRE 0 544 -32 544
WIRE -784 576 -784 544
WIRE -944 592 -944 544
WIRE -256 608 -256 592
WIRE -176 608 -256 608
WIRE -96 608 -96 592
WIRE -96 608 -176 608
WIRE -176 624 -176 608
WIRE 256 624 256 608
WIRE -944 720 -944 672
WIRE -784 720 -784 656
WIRE -784 720 -944 720
WIRE -608 720 -608 464
WIRE -608 720 -784 720
WIRE -176 720 -176 704
WIRE -176 720 -608 720
WIRE 176 720 176 496
WIRE 176 720 -176 720
WIRE 256 720 256 704
WIRE 256 720 176 720
WIRE -1008 736 -1008 544
WIRE 0 736 0 544
WIRE 0 736 -1008 736
FLAG 336 480 0
FLAG 256 -32 0
FLAG 256 608 0
FLAG -464 256 0
FLAG -704 496 0
FLAG -1040 400 0
FLAG -1216 400 0
FLAG -1456 400 0
FLAG 336 288 OUT
FLAG 512 400 0
FLAG 256 -144 +V
FLAG 256 720 -V
FLAG -176 288 OUT1
SYMBOL nmos 128 80 R0
SYMATTR InstName Q1
SYMATTR Value IRFP240
SYMBOL pmos 128 496 M180
WINDOW 0 62 62 Left 2
WINDOW 3 62 28 Left 2
SYMATTR InstName Q2
SYMATTR Value IRFP9240
SYMBOL res 160 288 R0
SYMATTR InstName R1
SYMATTR Value .33
SYMBOL res 160 176 R0
SYMATTR InstName R2
SYMATTR Value .33
SYMBOL cap 320 304 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL res 320 368 R0
SYMATTR InstName R3
SYMATTR Value 10
SYMBOL res 128 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 470
SYMBOL res 128 400 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 470
SYMBOL voltage 256 -144 R0
SYMATTR InstName V1
SYMATTR Value 50
SYMBOL voltage 256 608 R0
SYMATTR InstName V2
SYMATTR Value 50
SYMBOL pnp -160 144 M180
WINDOW 0 53 64 Left 2
WINDOW 3 46 30 Left 2
SYMATTR InstName Q3
SYMATTR Value MJE350
SYMBOL pnp -192 144 R180
WINDOW 0 53 64 Left 2
WINDOW 3 46 30 Left 2
SYMATTR InstName Q4
SYMATTR Value MJE350
SYMBOL res -112 -64 R0
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL res -112 288 R0
SYMATTR InstName R7
SYMATTR Value 890
SYMBOL npn -32 496 M0
WINDOW 0 48 33 Left 2
WINDOW 3 41 61 Left 2
SYMATTR InstName Q5
SYMATTR Value MJE340
SYMBOL res -272 -64 R0
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL res -192 608 R0
SYMATTR InstName R9
SYMATTR Value 100
SYMBOL npn -320 496 R0
WINDOW 0 48 31 Left 2
WINDOW 3 47 63 Left 2
SYMATTR InstName Q6
SYMATTR Value MJE340
SYMBOL cap -16 448 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 18p
SYMBOL cap -272 448 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 18p
SYMBOL res -272 320 R0
SYMATTR InstName R10
SYMATTR Value 10K
SYMBOL pnp -1008 336 M180
WINDOW 0 45 66 Left 2
WINDOW 3 39 31 Left 2
SYMATTR InstName Q7
SYMATTR Value MJE350
SYMBOL pnp -720 336 R180
WINDOW 0 46 62 Left 2
WINDOW 3 34 31 Left 2
SYMATTR InstName Q8
SYMATTR Value MJE350
SYMBOL res -960 576 R0
SYMATTR InstName R13
SYMATTR Value 3.9K
SYMBOL res -800 560 R0
SYMATTR InstName R14
SYMATTR Value 3.9K
SYMBOL pnp -800 80 R180
WINDOW 0 53 64 Left 2
WINDOW 3 46 30 Left 2
SYMATTR InstName Q9
SYMATTR Value MJE350
SYMBOL res -880 -144 R0
SYMATTR InstName R15
SYMATTR Value 470
SYMBOL res -656 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R16
SYMATTR Value 1K
SYMBOL pnp -528 16 M180
WINDOW 0 53 64 Left 2
WINDOW 3 46 30 Left 2
SYMATTR InstName Q10
SYMATTR Value MJE350
SYMBOL res -480 32 R0
SYMATTR InstName R17
SYMATTR Value 10K
SYMBOL res -480 144 R0
SYMATTR InstName R18
SYMATTR Value 10K
SYMBOL cap -384 -112 R0
SYMATTR InstName C4
SYMATTR Value 47<34>
SYMBOL res -272 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R19
SYMATTR Value 27K
SYMBOL res -720 304 R0
SYMATTR InstName R20
SYMATTR Value 1K
SYMBOL cap -720 416 R0
SYMATTR InstName C5
SYMATTR Value 100<30>
SYMBOL cap -1056 304 R0
SYMATTR InstName C6
SYMATTR Value 330p
SYMBOL res -1056 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 2.2K
SYMBOL res -1232 288 R0
SYMATTR InstName R22
SYMATTR Value 47K
SYMBOL cap -1232 272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 2.2<EFBFBD>
SYMBOL voltage -1456 288 R0
WINDOW 123 24 122 Left 2
WINDOW 39 0 0 Left 0
SYMATTR InstName Vin
SYMATTR Value SINE(0 {V} 1K)
SYMBOL res 496 288 R0
SYMATTR InstName R23
SYMATTR Value 8
SYMBOL res -624 96 R0
SYMATTR InstName R24
SYMATTR Value 3.67Meg
SYMBOL res -624 368 R0
SYMATTR InstName R25
SYMATTR Value 6.1Meg
SYMBOL voltage 80 288 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V3
SYMATTR Value ac 1
SYMBOL cap -304 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 3p
TEXT 352 528 Left 2 !.tran 10m\n;.ac oct 50 1M 10Meg ; plot V(out)/V(out1) to see 72<37> phase margin @ 950kHz\n;.dc temp -55 125 1\n;.noise V(out) Vin oct 10 10 20K\n.options plotwinsize=0 numdgt=15 noopiter\n.four 1K V(out)
TEXT -624 760 Left 0 !.model MJE340 NPN(Is=1.03431e-13 BF=172.974 NF=.939811 VAF=27.3487 IKF=0.0260146 ISE=4.48447e-11 Ne=1.61605 Br=16.6725\n+ Nr=0.796984 VAR=6.11596 IKR=0.10004 Isc=9.99914e-14 Nc=1.99995 RB=1.47761 IRB=0.2 RBM=1.47761 Re=0.0001 RC=1.42228\n+ XTB=2.70726 XTI=1 Eg=1.206 CJE=1e-11 VJE=0.75 Mje=.33 TF=1e-09 XTF=1 VTF=10 ITF=0.01 CJC=1e-11 VJC=.75 MJC=0.33 XCJC=.9\n+ Fc=0.5 CJS=0 VJS=0.75 MJS=0.5 TR=1e-07 PTF=0 KF=0 AF=1)\n.model MJE350 PNP(Is=6.01619e-15 BF=157.387 NF=.910131 VAF=23.273 IKF=0.0564808 Ise=4.48479e-12 Ne=1.58557 BR=0.1\n+ NR=1.03823 VAR=4.14543 IKR=.0999978 ISC=1.00199e-13 Nc=1.98851 RB=.1 IRB=0.202965 RBM=0.1 Re=.0710678 Rc=.355339\n+ XTB=1.03638 XTI=3.8424 Eg=1.206 Cje=1e-11 Vje=0.75 Mje=0.33 TF=1e-09 XTF=1 VTF=10 ITF=0.01 Cjc=1e-11 Vjc=0.75\n+ Mjc=0.33 XCJC=0.9 Fc=0.5 Cjs=0 Vjs=0.75 Mjs=0.5 TR=1e-07 PTF=0 KF=0 AF=1)
TEXT 352 744 Left 2 !.param V=1.44 ; 100W RMS\n.step oct param V 1m 1.44 2
TEXT -328 -160 Bottom 2 ;100W into 8O at less than .1% THD\nAdjust R7 for 15mA quiescent current through Q1/Q2\nR24 & R24 are optional output offset trimming

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Version 4
SHEET 1 2508 1464
WIRE 1952 992 1936 992
WIRE 2160 992 2032 992
WIRE 1936 1088 1936 992
WIRE 2032 1088 1936 1088
WIRE 2160 1088 2112 1088
WIRE 1824 1184 1728 1184
WIRE 1936 1184 1936 1088
WIRE 1936 1184 1904 1184
WIRE 2160 1184 1936 1184
WIRE 1728 1200 1728 1184
WIRE 1728 1296 1728 1280
FLAG 1728 1184 IN
FLAG 1728 1296 0
SYMBOL RES 2048 976 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 2128 1072 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL res 1920 1168 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100K
SYMBOL VOLTAGE 1728 1184 R0
SYMATTR InstName V1
SYMATTR Value AC 1
SYMBOL MISC\\TOWTOM2 2192 1024 R0
SYMATTR InstName U1
TEXT 1912 1304 Left 2 !.include TowTom2.sub
TEXT 1912 1344 Left 2 !.ac oct 100 1k 10Meg
TEXT 2000 1368 Top 1 ;This example schematic is supplied for informational/educational purposes only.

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Version 4
SHEET 1 2604 1992
WIRE 2384 208 1472 208
WIRE 1872 256 1728 256
WIRE 1472 288 1472 208
WIRE 1536 288 1472 288
WIRE 1744 288 1600 288
WIRE 1776 288 1744 288
WIRE 1872 288 1840 288
WIRE 2000 288 1936 288
WIRE 480 304 368 304
WIRE 576 304 480 304
WIRE 368 320 368 304
WIRE 480 320 480 304
WIRE 1536 320 1440 320
WIRE 1744 384 1744 288
WIRE 1872 384 1744 384
WIRE 2000 400 2000 288
WIRE 2032 400 2000 400
WIRE 368 416 368 400
WIRE 480 416 480 400
WIRE 1728 416 1728 256
WIRE 1728 416 1424 416
WIRE 1776 416 1728 416
WIRE 1872 416 1840 416
WIRE 2032 416 1936 416
WIRE 2032 432 2000 432
WIRE 2192 432 2096 432
WIRE 2384 432 2384 208
WIRE 2384 432 2352 432
WIRE 2544 432 2384 432
WIRE 2192 480 2160 480
WIRE 1872 512 1168 512
WIRE 480 528 368 528
WIRE 576 528 480 528
WIRE 368 544 368 528
WIRE 480 544 480 528
WIRE 1872 544 1456 544
WIRE 2000 544 2000 432
WIRE 2000 544 1936 544
WIRE 2272 560 2272 528
WIRE 2272 560 2176 560
WIRE 2384 576 1488 576
WIRE 1872 608 1696 608
WIRE 368 640 368 624
WIRE 480 640 480 624
WIRE 1872 640 1728 640
WIRE 2000 656 1936 656
WIRE 1488 672 1488 576
WIRE 1536 672 1488 672
WIRE 1744 672 1600 672
WIRE 1776 672 1744 672
WIRE 1872 672 1840 672
WIRE 1440 704 1440 320
WIRE 1536 704 1440 704
WIRE 624 752 608 752
WIRE 720 752 688 752
WIRE 1744 768 1744 672
WIRE 1872 768 1744 768
WIRE 2000 784 2000 656
WIRE 2032 784 2000 784
WIRE 608 800 608 752
WIRE 608 800 480 800
WIRE 1472 800 1472 288
WIRE 1536 800 1472 800
WIRE 1728 800 1728 640
WIRE 1728 800 1600 800
WIRE 1776 800 1728 800
WIRE 1872 800 1840 800
WIRE 2032 800 1936 800
WIRE 2032 816 2000 816
WIRE 2192 816 2096 816
WIRE 2384 816 2384 576
WIRE 2384 816 2352 816
WIRE 2544 816 2384 816
WIRE 480 832 480 800
WIRE 1424 832 1424 416
WIRE 1536 832 1424 832
WIRE 608 864 608 800
WIRE 624 864 608 864
WIRE 720 864 688 864
WIRE 2160 864 2160 480
WIRE 2192 864 2160 864
WIRE 1872 896 1168 896
WIRE 1456 928 1456 544
WIRE 1872 928 1456 928
WIRE 2000 928 2000 816
WIRE 2000 928 1936 928
WIRE 2176 944 2176 560
WIRE 2272 944 2272 912
WIRE 2272 944 2176 944
WIRE 624 960 608 960
WIRE 720 960 688 960
WIRE 2384 960 1504 960
WIRE 480 1008 368 1008
WIRE 608 1008 608 960
WIRE 608 1008 480 1008
WIRE 1872 1008 1728 1008
WIRE 368 1024 368 1008
WIRE 480 1024 480 1008
WIRE 1504 1040 1504 960
WIRE 1536 1040 1504 1040
WIRE 1744 1040 1600 1040
WIRE 1776 1040 1744 1040
WIRE 1872 1040 1840 1040
WIRE 2000 1040 1936 1040
WIRE 608 1056 608 1008
WIRE 624 1056 608 1056
WIRE 720 1056 688 1056
WIRE 1440 1072 1440 704
WIRE 1536 1072 1440 1072
WIRE 368 1120 368 1104
WIRE 480 1120 480 1104
WIRE 1744 1136 1744 1040
WIRE 1872 1136 1744 1136
WIRE 2000 1152 2000 1040
WIRE 2032 1152 2000 1152
WIRE 1488 1168 1488 672
WIRE 1536 1168 1488 1168
WIRE 1728 1168 1728 1008
WIRE 1728 1168 1600 1168
WIRE 1776 1168 1728 1168
WIRE 1872 1168 1840 1168
WIRE 2032 1168 1936 1168
WIRE 1472 1184 1472 800
WIRE 1536 1184 1472 1184
WIRE 2032 1184 2000 1184
WIRE 2192 1184 2096 1184
WIRE 2384 1184 2384 960
WIRE 2384 1184 2352 1184
WIRE 2544 1184 2384 1184
WIRE 1424 1200 1424 832
WIRE 1536 1200 1424 1200
WIRE 2160 1232 2160 864
WIRE 2192 1232 2160 1232
WIRE 624 1248 608 1248
WIRE 720 1248 688 1248
WIRE 1872 1264 1168 1264
WIRE 480 1296 368 1296
WIRE 608 1296 608 1248
WIRE 608 1296 480 1296
WIRE 1456 1296 1456 928
WIRE 1872 1296 1456 1296
WIRE 2000 1296 2000 1184
WIRE 2000 1296 1936 1296
WIRE 368 1312 368 1296
WIRE 480 1312 480 1296
WIRE 2176 1312 2176 944
WIRE 2272 1312 2272 1280
WIRE 2272 1312 2176 1312
WIRE 2400 1328 1520 1328
WIRE 608 1360 608 1296
WIRE 624 1360 608 1360
WIRE 720 1360 688 1360
WIRE 1520 1360 1520 1328
WIRE 1536 1360 1520 1360
WIRE 1744 1360 1600 1360
WIRE 1216 1392 1168 1392
WIRE 1232 1392 1216 1392
WIRE 1312 1392 1296 1392
WIRE 1344 1392 1312 1392
WIRE 1440 1392 1440 1072
WIRE 1440 1392 1408 1392
WIRE 1536 1392 1440 1392
WIRE 368 1408 368 1392
WIRE 480 1408 480 1392
WIRE 1872 1424 1728 1424
WIRE 1504 1456 1504 1040
WIRE 1536 1456 1504 1456
WIRE 1744 1456 1744 1360
WIRE 1776 1456 1744 1456
WIRE 1872 1456 1840 1456
WIRE 2000 1456 1936 1456
WIRE 1312 1472 1312 1392
WIRE 1456 1472 1456 1296
WIRE 1456 1472 1312 1472
WIRE 1488 1472 1488 1168
WIRE 1536 1472 1488 1472
WIRE 1728 1472 1728 1424
WIRE 1728 1472 1600 1472
WIRE 1472 1504 1472 1184
WIRE 1536 1504 1472 1504
WIRE 1536 1520 1504 1520
WIRE 480 1552 368 1552
WIRE 592 1552 480 1552
WIRE 1744 1552 1744 1456
WIRE 1872 1552 1744 1552
WIRE 368 1568 368 1552
WIRE 480 1568 480 1552
WIRE 2000 1568 2000 1456
WIRE 2032 1568 2000 1568
WIRE 1472 1584 1472 1504
WIRE 1536 1584 1472 1584
WIRE 1776 1584 1600 1584
WIRE 1872 1584 1840 1584
WIRE 2032 1584 1936 1584
WIRE 2032 1600 2000 1600
WIRE 2192 1600 2096 1600
WIRE 2400 1600 2400 1328
WIRE 2400 1600 2352 1600
WIRE 2544 1600 2400 1600
WIRE 1216 1616 1216 1392
WIRE 1296 1616 1216 1616
WIRE 1424 1616 1424 1200
WIRE 1424 1616 1360 1616
WIRE 1504 1616 1504 1520
WIRE 1504 1616 1424 1616
WIRE 1536 1616 1504 1616
WIRE 1296 1632 1168 1632
WIRE 1296 1648 1216 1648
WIRE 2160 1648 2160 1232
WIRE 2192 1648 2160 1648
WIRE 2384 1648 2368 1648
WIRE 368 1664 368 1648
WIRE 480 1664 480 1648
WIRE 1872 1696 1168 1696
WIRE 1456 1728 1456 1472
WIRE 1872 1728 1456 1728
WIRE 2000 1728 2000 1600
WIRE 2000 1728 1936 1728
WIRE 2176 1728 2176 1312
WIRE 2272 1728 2272 1696
WIRE 2272 1728 2176 1728
WIRE 1696 1776 1696 608
WIRE 2384 1776 2384 1648
WIRE 2384 1776 1696 1776
WIRE 2160 1792 2160 1648
WIRE 2160 1792 1168 1792
WIRE 1536 1840 1168 1840
WIRE 2272 1840 2272 1728
WIRE 2272 1840 1600 1840
WIRE 2400 1840 2400 1600
WIRE 2416 1840 2400 1840
WIRE 2544 1856 2480 1856
WIRE 1472 1872 1472 1584
WIRE 2416 1872 1472 1872
WIRE 1216 1904 1216 1648
WIRE 1216 1904 1168 1904
WIRE 2416 1904 1216 1904
FLAG 2544 432 QA
FLAG 2544 816 QB
FLAG 2544 1184 QC
FLAG 2544 1600 QD
FLAG 2544 1856 RC
FLAG 368 1664 0
FLAG 480 1664 0
FLAG 480 832 0
FLAG 368 1120 0
FLAG 480 1120 0
FLAG 368 1408 0
FLAG 480 1408 0
FLAG 368 640 0
FLAG 480 640 0
FLAG 368 416 0
FLAG 480 416 0
FLAG 1168 1840 _CLR
FLAG 576 304 _CLR
FLAG 1168 512 A
FLAG 720 752 A
FLAG 720 864 B
FLAG 1168 896 B
FLAG 720 960 C
FLAG 1168 1264 C
FLAG 1168 1392 _LD
FLAG 576 528 _LD
FLAG 720 1248 ENP
FLAG 1168 1632 ENP
FLAG 720 1056 D
FLAG 1168 1696 D
FLAG 592 1552 CLK
FLAG 1168 1792 CLK
FLAG 720 1360 ENT
FLAG 1168 1904 ENT
SYMBOL CURRENT 480 1648 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName I6
SYMATTR Value PULSE(0 1 0 0 0 .5M 1M)
SYMBOL CURRENT 480 1104 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName I3
SYMATTR Value 1.
SYMBOL CURRENT 480 1392 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName I5
SYMATTR Value 1.
SYMBOL CURRENT 480 624 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName I2
SYMATTR Value PWL(0 1 4.5M 1 4.51M 0 5.5M 0 5.51M 1 6.5M 1)
SYMBOL CURRENT 480 400 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName I1
SYMATTR Value PWL(0 1 1.5M 1 1.51M 0 2.5M 0 2.51M 1 3.5M 1)
SYMBOL MISC\\JUMPER 656 1296 R0
SYMATTR InstName J6
SYMBOL MISC\\JUMPER 656 1184 R0
SYMATTR InstName J5
SYMBOL MISC\\JUMPER 656 992 R0
SYMATTR InstName J4
SYMBOL MISC\\JUMPER 656 896 R0
SYMATTR InstName J3
SYMBOL MISC\\JUMPER 656 800 R0
SYMATTR InstName J2
SYMBOL MISC\\JUMPER 656 688 R0
SYMATTR InstName J1
SYMBOL RES 352 1552 R0
SYMATTR InstName R5
SYMATTR Value 1.
SYMBOL RES 352 1008 R0
SYMATTR InstName R3
SYMATTR Value 1.
SYMBOL RES 352 1296 R0
SYMATTR InstName R4
SYMATTR Value 1.
SYMBOL RES 352 528 R0
SYMATTR InstName R2
SYMATTR Value 1.
SYMBOL RES 352 304 R0
SYMATTR InstName R1
SYMATTR Value 1.
SYMBOL DIGITAL\\INV 1344 1328 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 -16 96 Left 2
SYMATTR InstName A39
SYMBOL DIGITAL\\INV 1232 1328 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 -16 96 Left 2
SYMATTR InstName A37
SYMBOL DIGITAL\\INV 1536 1776 R0
WINDOW 0 32 48 Left 2
WINDOW 3 32 80 Left 2
SYMATTR InstName A42
SYMBOL DIGITAL\\INV 1776 1520 R0
WINDOW 0 0 16 Left 2
WINDOW 3 -16 96 Left 2
SYMATTR InstName A23
SYMBOL DIGITAL\\INV 1776 1392 R0
WINDOW 0 0 16 Left 2
WINDOW 3 -16 96 Left 2
SYMATTR InstName A22
SYMBOL DIGITAL\\INV 1776 976 R0
WINDOW 0 0 16 Left 2
WINDOW 3 -16 96 Left 2
SYMATTR InstName A15
SYMBOL DIGITAL\\INV 1776 1104 R0
WINDOW 0 0 16 Left 2
WINDOW 3 -16 96 Left 2
SYMATTR InstName A16
SYMBOL DIGITAL\\INV 1776 736 R0
WINDOW 0 0 16 Left 2
WINDOW 3 -16 96 Left 2
SYMATTR InstName A9
SYMBOL DIGITAL\\INV 1776 608 R0
WINDOW 0 0 16 Left 2
WINDOW 3 -16 96 Left 2
SYMATTR InstName A8
SYMBOL DIGITAL\\INV 1776 352 R0
WINDOW 0 0 16 Left 2
WINDOW 3 -16 96 Left 2
SYMATTR InstName A7
SYMBOL DIGITAL\\INV 1776 224 R0
WINDOW 0 0 16 Left 2
WINDOW 3 -16 96 Left 2
SYMATTR InstName A6
SYMBOL DIGITAL\\AND 2448 1808 R0
WINDOW 0 -16 0 Left 2
WINDOW 3 -16 112 Left 2
SYMATTR InstName A38
SYMBOL DIGITAL\\AND 1328 1568 R0
WINDOW 0 -48 16 Left 2
SYMATTR InstName A41
SYMBOL DIGITAL\\AND 1568 240 R0
SYMATTR InstName A29
SYMBOL DIGITAL\\AND 1904 208 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A1
SYMBOL DIGITAL\\AND 1904 464 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A3
SYMBOL DIGITAL\\AND 1904 336 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A2
SYMBOL DIGITAL\\AND 2064 352 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 -48 112 Left 2
SYMATTR InstName A4
SYMATTR Value TD=10N
SYMBOL DIGITAL\\AND 1904 576 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A10
SYMBOL DIGITAL\\AND 1568 752 R0
SYMATTR InstName A31
SYMBOL DIGITAL\\AND 1568 624 R0
SYMATTR InstName A30
SYMBOL DIGITAL\\AND 1904 848 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A12
SYMBOL DIGITAL\\AND 1904 720 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A11
SYMBOL DIGITAL\\AND 2064 736 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 -48 112 Left 2
SYMATTR InstName A13
SYMATTR Value TD=10N
SYMBOL DIGITAL\\AND 1568 1120 R0
SYMATTR InstName A33
SYMBOL DIGITAL\\AND 1568 992 R0
SYMATTR InstName A32
SYMBOL DIGITAL\\AND 1904 960 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A17
SYMBOL DIGITAL\\AND 1904 1216 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A19
SYMBOL DIGITAL\\AND 1904 1088 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A18
SYMBOL DIGITAL\\AND 2064 1104 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 -48 112 Left 2
SYMATTR InstName A20
SYMATTR Value TD=10N
SYMBOL DIGITAL\\AND 1904 1648 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A26
SYMBOL DIGITAL\\AND 1568 1424 R0
SYMATTR InstName A35
SYMBOL DIGITAL\\AND 1568 1312 R0
SYMATTR InstName A34
SYMBOL DIGITAL\\AND 1568 1536 R0
SYMATTR InstName A36
SYMBOL DIGITAL\\AND 1904 1376 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A24
SYMBOL DIGITAL\\AND 1904 1504 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 0 112 Left 2
SYMATTR InstName A25
SYMBOL DIGITAL\\AND 2064 1520 R0
WINDOW 0 -16 16 Left 2
WINDOW 3 -48 112 Left 2
SYMATTR InstName A27
SYMATTR Value TD=10N
SYMBOL DIGITAL\\DFLOP 2272 384 R0
WINDOW 0 16 -16 Left 2
WINDOW 3 16 160 Left 2
SYMATTR InstName A5
SYMBOL DIGITAL\\DFLOP 2272 768 R0
WINDOW 0 16 -16 Left 2
WINDOW 3 16 160 Left 2
SYMATTR InstName A14
SYMBOL DIGITAL\\DFLOP 2272 1136 R0
WINDOW 0 16 -16 Left 2
WINDOW 3 16 160 Left 2
SYMATTR InstName A21
SYMBOL DIGITAL\\DFLOP 2272 1552 R0
WINDOW 0 16 -16 Left 2
WINDOW 3 16 160 Left 2
SYMATTR InstName A28
TEXT 1144 272 Center 2 ;74160 decade counter
TEXT 584 1792 Left 2 !.tran 1u 100m
TEXT 1320 1928 Top 1 ;This example schematic is supplied for informational/educational purposes only.

50
examples/Educational/160.plt Normal file
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@@ -0,0 +1,50 @@
[Transient Analysis]
{
Npanes: 5
Active Pane: 2
{
traces: 1 {524293,0,"V(qd)"}
X: ('m',0,0,0.01,0.1)
Y[0]: (' ',1,0,0.1,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {268959748,0,"V(qc)"}
X: ('m',0,0,0.01,0.1)
Y[0]: (' ',1,0,0.1,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {268959747,0,"V(qb)"}
X: ('m',0,0,0.01,0.1)
Y[0]: (' ',1,0,0.1,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {268959746,0,"V(qa)"}
X: ('m',0,0,0.01,0.1)
Y[0]: (' ',1,0,0.1,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {524294,0,"V(clk)"}
X: ('m',0,0,0.01,0.1)
Y[0]: (' ',1,0,0.1,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1)
Log: 0 0 0
GridStyle: 1
}
}

216
examples/Educational/BandGaps.asc Normal file
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Version 4
SHEET 1 2072 804
WIRE 496 16 288 16
WIRE 656 16 496 16
WIRE 848 16 656 16
WIRE 1040 16 848 16
WIRE 1232 16 1040 16
WIRE 1424 16 1232 16
WIRE 1616 16 1424 16
WIRE 1696 16 1616 16
WIRE 1824 16 1696 16
WIRE 496 32 496 16
WIRE 656 32 656 16
WIRE 848 32 848 16
WIRE 1040 32 1040 16
WIRE 1232 32 1232 16
WIRE 1424 32 1424 16
WIRE 1616 32 1616 16
WIRE 1824 32 1824 16
WIRE 288 48 288 16
WIRE 576 80 560 80
WIRE 592 80 576 80
WIRE 944 80 912 80
WIRE 976 80 944 80
WIRE 1328 80 1296 80
WIRE 1360 80 1328 80
WIRE 1728 80 1680 80
WIRE 1760 80 1728 80
WIRE 1696 128 1696 16
WIRE 496 144 496 128
WIRE 576 144 576 80
WIRE 576 144 496 144
WIRE 656 144 656 128
WIRE 704 144 656 144
WIRE 944 144 944 80
WIRE 1040 144 1040 128
WIRE 1040 144 944 144
WIRE 1328 144 1328 80
WIRE 1424 144 1424 128
WIRE 1424 144 1328 144
WIRE 1728 144 1728 80
WIRE 1824 144 1824 128
WIRE 1824 144 1728 144
WIRE 288 160 288 128
WIRE 656 160 656 144
WIRE 1040 160 1040 144
WIRE 1424 160 1424 144
WIRE 1616 176 1616 128
WIRE 1632 176 1616 176
WIRE 496 208 496 144
WIRE 848 208 848 128
WIRE 976 208 848 208
WIRE 1232 208 1232 128
WIRE 1360 208 1232 208
WIRE 1232 224 1232 208
WIRE 1616 224 1616 176
WIRE 1824 224 1824 144
WIRE 592 256 560 256
WIRE 656 256 656 240
WIRE 656 256 592 256
WIRE 656 272 656 256
WIRE 1040 272 1040 256
WIRE 1088 272 1040 272
WIRE 1328 272 1296 272
WIRE 1424 272 1424 256
WIRE 1424 272 1328 272
WIRE 1472 272 1424 272
WIRE 1696 272 1696 224
WIRE 1696 272 1680 272
WIRE 1760 272 1696 272
WIRE 1888 272 1760 272
WIRE 1040 288 1040 272
WIRE 1424 288 1424 272
WIRE 496 320 496 304
WIRE 592 320 592 256
WIRE 848 336 848 208
WIRE 1328 336 1328 272
WIRE 1360 336 1328 336
WIRE 1824 336 1824 320
WIRE 944 384 912 384
WIRE 1040 384 1040 368
WIRE 1040 384 944 384
WIRE 1040 400 1040 384
WIRE 1424 400 1424 384
WIRE 496 416 496 400
WIRE 656 416 656 368
WIRE 1616 432 1616 320
WIRE 1824 432 1824 416
WIRE 1824 432 1616 432
WIRE 848 448 848 432
WIRE 944 448 944 384
WIRE 976 448 944 448
WIRE 1824 448 1824 432
WIRE 1232 496 1232 320
WIRE 1424 496 1424 480
WIRE 1424 496 1232 496
WIRE 1040 512 1040 496
WIRE 1424 512 1424 496
WIRE 1824 544 1824 528
WIRE 1040 608 1040 592
WIRE 1424 608 1424 592
FLAG 496 416 0
FLAG 288 160 0
FLAG 656 416 0
FLAG 1040 608 0
FLAG 704 144 A
FLAG 1088 272 B
FLAG 848 448 0
FLAG 1424 608 0
FLAG 1472 272 C
FLAG 1824 544 0
FLAG 1888 272 D
SYMBOL pnp 560 128 R180
WINDOW 0 61 62 Left 2
WINDOW 3 53 31 Left 2
SYMATTR InstName Q1
SYMATTR Value P
SYMBOL pnp 592 128 M180
WINDOW 0 54 63 Left 2
WINDOW 3 61 29 Left 2
SYMATTR InstName Q2
SYMATTR Value P
SYMBOL res 480 304 R0
SYMATTR InstName R1
SYMATTR Value 1210
SYMBOL npn 560 208 M0
SYMATTR InstName Q3
SYMATTR Value N 10
SYMBOL npn 592 272 R0
SYMATTR InstName Q4
SYMATTR Value N
SYMBOL voltage 288 32 R0
SYMATTR InstName V1
SYMATTR Value 3
SYMBOL res 640 144 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL pnp 912 128 R180
WINDOW 0 61 62 Left 2
WINDOW 3 53 31 Left 2
SYMATTR InstName Q5
SYMATTR Value P
SYMBOL pnp 976 128 M180
WINDOW 0 54 63 Left 2
WINDOW 3 61 29 Left 2
SYMATTR InstName Q6
SYMATTR Value P
SYMBOL res 1024 496 R0
SYMATTR InstName R3
SYMATTR Value 1270
SYMBOL npn 912 336 M0
SYMATTR InstName Q7
SYMATTR Value N
SYMBOL npn 976 400 R0
SYMATTR InstName Q8
SYMATTR Value N 10
SYMBOL res 1024 272 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL npn 976 160 R0
SYMATTR InstName Q9
SYMATTR Value N
SYMBOL pnp 1296 128 R180
WINDOW 0 61 62 Left 2
WINDOW 3 53 31 Left 2
SYMATTR InstName Q10
SYMATTR Value P
SYMBOL pnp 1360 128 M180
WINDOW 0 54 63 Left 2
WINDOW 3 61 29 Left 2
SYMATTR InstName Q11
SYMATTR Value P
SYMBOL res 1408 384 R0
SYMATTR InstName R5
SYMATTR Value 1250
SYMBOL npn 1296 224 M0
SYMATTR InstName Q12
SYMATTR Value N
SYMBOL npn 1360 288 R0
SYMATTR InstName Q13
SYMATTR Value N 10
SYMBOL res 1408 496 R0
SYMATTR InstName R6
SYMATTR Value 5K
SYMBOL npn 1360 160 R0
SYMATTR InstName Q14
SYMATTR Value N
SYMBOL pnp 1680 128 R180
WINDOW 0 61 62 Left 2
WINDOW 3 53 31 Left 2
SYMATTR InstName Q15
SYMATTR Value P
SYMBOL pnp 1760 128 M180
WINDOW 0 54 63 Left 2
WINDOW 3 61 29 Left 2
SYMATTR InstName Q16
SYMATTR Value P
SYMBOL res 1808 320 R0
SYMATTR InstName R7
SYMATTR Value 1250
SYMBOL npn 1680 224 M0
SYMATTR InstName Q17
SYMATTR Value N
SYMBOL npn 1760 224 R0
SYMATTR InstName Q18
SYMATTR Value N 10
SYMBOL res 1808 432 R0
SYMATTR InstName R8
SYMATTR Value 5K
SYMBOL npn 1632 128 R0
SYMATTR InstName Q19
SYMATTR Value N
TEXT 1648 632 Left 2 !.dc temp -55 125 .1
TEXT 512 544 Left 2 !.model N NPN\n.model P PNP
TEXT 1160 640 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT 1032 0 Bottom 2 ;Four Band Gap Voltage Reference Circuits

12
examples/Educational/BandGaps.plt Normal file
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[DC transfer characteristic]
{
Npanes: 1
{
traces: 4 {524290,0,"V(a)"} {524291,0,"V(b)"} {524292,0,"V(c)"} {524293,0,"V(d)"}
X: (' ',0,-55,20,125)
Y[0]: (' ',4,1.1595,0.0005,1.1645)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,4,1.1595,0.0005,1.1645)
Log: 0 0 0
}
}

64
examples/Educational/Clapp.asc Normal file
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Version 4
SHEET 1 2772 2464
WIRE 2368 1968 2192 1968
WIRE 2192 1984 2192 1968
WIRE 2368 1984 2368 1968
WIRE 1952 2048 1824 2048
WIRE 2080 2048 1952 2048
WIRE 2144 2048 2080 2048
WIRE 1824 2064 1824 2048
WIRE 2080 2064 2080 2048
WIRE 2368 2080 2368 2064
WIRE 1952 2112 1952 2048
WIRE 2080 2144 2080 2128
WIRE 2192 2144 2192 2080
WIRE 2192 2144 2080 2144
WIRE 2240 2144 2192 2144
WIRE 1824 2160 1824 2144
WIRE 2080 2160 2080 2144
WIRE 2192 2160 2192 2144
WIRE 1824 2256 1824 2224
WIRE 1952 2256 1952 2176
WIRE 2080 2256 2080 2224
WIRE 2192 2256 2192 2240
FLAG 2368 2080 0
FLAG 2192 2256 0
FLAG 2080 2256 0
FLAG 1824 2256 0
FLAG 1952 2256 0
FLAG 2240 2144 OUT
SYMBOL NJF 2144 1984 R0
SYMATTR InstName J1
SYMATTR Value 2N5484
SYMBOL VOLTAGE 2368 1968 R0
SYMATTR InstName V1
SYMATTR Value 10.
SYMBOL ind 2208 2144 M0
WINDOW 0 -2 30 Right 2
WINDOW 3 -2 59 Right 2
WINDOW 39 0 88 Right 2
SYMATTR InstName L4
SYMATTR Value 1m
SYMATTR SpiceLine Rser=100
SYMBOL cap 2064 2064 R0
WINDOW 3 25 60 Left 2
SYMATTR Value 750p
SYMATTR InstName C1
SYMBOL cap 1808 2160 R0
SYMATTR InstName C2
SYMATTR Value 50p
SYMBOL cap 2064 2160 R0
SYMATTR InstName C3
SYMATTR Value 750p
SYMBOL ind 1840 2048 M0
WINDOW 0 -2 36 Right 2
WINDOW 3 -1 68 Right 2
SYMATTR InstName L1
SYMATTR Value 100<30>
SYMBOL diode 1936 2176 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N4148
TEXT 2368 2184 Left 2 !.tran 250<35> startup
TEXT 2176 2296 Top 1 ;This example schematic is supplied for informational/educational purposes only.

13
examples/Educational/Clapp.plt Normal file
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@@ -0,0 +1,13 @@
[Transient Analysis]
{
Npanes: 1
{
traces: 1 {524290,0,"V(out)"}
X: ('<EFBFBD>',0,0,3e-005,0.00025)
Y[0]: (' ',1,-0.3,0.3,2.7)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,0,-0.3,0.3,2.7)
Log: 0 0 0
GridStyle: 1
}
}

97
examples/Educational/Cohn.asc Normal file
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Version 4
SHEET 1 2316 1728
WIRE 1360 1168 1232 1168
WIRE 1664 1168 1536 1168
WIRE 1760 1168 1664 1168
WIRE 2080 1168 1952 1168
WIRE 1232 1184 1232 1168
WIRE 2080 1184 2080 1168
WIRE 1360 1200 1360 1168
WIRE 1536 1200 1536 1168
WIRE 1760 1200 1760 1168
WIRE 1952 1200 1952 1168
WIRE 1664 1280 1664 1168
WIRE 1072 1296 1024 1296
WIRE 1184 1296 1152 1296
WIRE 1232 1296 1232 1248
WIRE 1232 1296 1184 1296
WIRE 1360 1296 1360 1280
WIRE 1456 1296 1360 1296
WIRE 1536 1296 1536 1280
WIRE 1536 1296 1456 1296
WIRE 1760 1296 1760 1280
WIRE 1872 1296 1760 1296
WIRE 1952 1296 1952 1280
WIRE 1952 1296 1872 1296
WIRE 2080 1296 2080 1248
WIRE 2240 1296 2080 1296
WIRE 2240 1312 2240 1296
WIRE 1024 1328 1024 1296
WIRE 1232 1328 1232 1296
WIRE 1456 1328 1456 1296
WIRE 1872 1328 1872 1296
WIRE 2080 1328 2080 1296
WIRE 1024 1424 1024 1408
WIRE 1232 1424 1232 1392
WIRE 1456 1424 1456 1408
WIRE 1664 1424 1664 1344
WIRE 1872 1424 1872 1408
WIRE 2080 1424 2080 1392
WIRE 2240 1424 2240 1392
FLAG 2080 1424 0
FLAG 1872 1424 0
FLAG 1456 1424 0
FLAG 1232 1424 0
FLAG 1664 1424 0
FLAG 1024 1424 0
FLAG 2240 1424 0
FLAG 2240 1296 OUT
FLAG 1184 1296 IN
SYMBOL ind 1344 1184 R0
SYMATTR InstName L1
SYMATTR Value {L}
SYMBOL ind 1440 1312 R0
SYMATTR InstName L2
SYMATTR Value {Lm}
SYMBOL ind 1520 1184 R0
SYMATTR InstName L3
SYMATTR Value {2*L}
SYMBOL ind 1744 1184 R0
SYMATTR InstName L4
SYMATTR Value {2*L}
SYMBOL ind 1936 1184 R0
SYMATTR InstName L5
SYMATTR Value {L}
SYMBOL ind 1856 1312 R0
SYMATTR InstName L6
SYMATTR Value {Lm}
SYMBOL cap 1216 1184 R0
SYMATTR InstName C1
SYMATTR Value {C1}
SYMBOL cap 1216 1328 R0
SYMATTR InstName C2
SYMATTR Value {C2}
SYMBOL cap 2064 1184 R0
SYMATTR InstName C3
SYMATTR Value {C1}
SYMBOL cap 2064 1328 R0
SYMATTR InstName C4
SYMATTR Value {C2}
SYMBOL cap 1648 1280 R0
SYMATTR InstName C5
SYMATTR Value {C3}
SYMBOL VOLTAGE 1024 1312 R0
WINDOW 3 25 97 Left 2
SYMATTR Value AC 2
SYMATTR InstName V1
SYMBOL RES 1168 1280 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value {R}
SYMBOL res 2224 1296 R0
SYMATTR InstName R2
SYMATTR Value {R}
TEXT 1920 1480 Left 2 !.ac oct 1000 10Meg 22Meg
TEXT 1152 1472 Left 2 !.param x=.54 ; trimer postion\n.param R=50\n.param L=2.95u Lm=.27u C1=22p+x*25p C2=240p C3=34p
TEXT 1616 1584 Top 1 ;This example schematic is supplied for informational/educational purposes only.

14
examples/Educational/Cohn.plt Normal file
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@@ -0,0 +1,14 @@
[AC Analysis]
{
Npanes: 1
{
traces: 1 {524290,0,"V(out)"}
X: ('M',0,1e+007,1e+006,2.2e+007)
Y[0]: (' ',0,0.000316227766016838,7,2.23872113856834)
Y[1]: (' ',0,-780,60,-120)
Log: 1 2 0
GridStyle: 1
PltMag: 1
PltPhi: 1 0
}
}

193
examples/Educational/DCopPnt.asc Normal file
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@@ -0,0 +1,193 @@
Version 4
SHEET 1 2352 1864
WIRE 944 912 720 912
WIRE 1392 912 944 912
WIRE 1824 912 1392 912
WIRE 2000 912 1824 912
WIRE 2096 912 2000 912
WIRE 1392 944 1392 912
WIRE 720 960 720 912
WIRE 2096 960 2096 912
WIRE 1024 976 992 976
WIRE 1136 976 1088 976
WIRE 1392 1040 1392 1024
WIRE 2096 1072 2096 1040
WIRE 720 1088 720 1040
WIRE 992 1088 992 976
WIRE 992 1088 720 1088
WIRE 1024 1088 992 1088
WIRE 1136 1088 1136 976
WIRE 1136 1088 1104 1088
WIRE 1168 1088 1136 1088
WIRE 1280 1088 1248 1088
WIRE 1328 1088 1280 1088
WIRE 1824 1120 1824 912
WIRE 1280 1168 1280 1088
WIRE 1296 1168 1280 1168
WIRE 1392 1168 1392 1136
WIRE 1392 1168 1360 1168
WIRE 1552 1168 1392 1168
WIRE 1680 1168 1552 1168
WIRE 1760 1168 1680 1168
WIRE 1392 1184 1392 1168
WIRE 2000 1200 2000 912
WIRE 1552 1232 1552 1168
WIRE 1680 1248 1680 1168
WIRE 1824 1248 1824 1216
WIRE 1936 1248 1824 1248
WIRE 1824 1264 1824 1248
WIRE 1392 1280 1392 1264
WIRE 1488 1280 1392 1280
WIRE 720 1312 720 1088
WIRE 944 1312 944 912
WIRE 528 1360 480 1360
WIRE 656 1360 608 1360
WIRE 1168 1360 1008 1360
WIRE 1216 1360 1168 1360
WIRE 1824 1360 1824 1344
WIRE 1824 1360 1296 1360
WIRE 2000 1360 2000 1296
WIRE 2000 1360 1824 1360
WIRE 2128 1360 2000 1360
WIRE 2256 1360 2128 1360
WIRE 1392 1376 1392 1280
WIRE 2256 1376 2256 1360
WIRE 1168 1392 1168 1360
WIRE 1824 1440 1824 1360
WIRE 720 1456 720 1408
WIRE 832 1456 720 1456
WIRE 944 1456 944 1408
WIRE 944 1456 832 1456
WIRE 2256 1472 2256 1456
WIRE 1392 1488 1392 1456
WIRE 1552 1488 1552 1328
WIRE 1552 1488 1392 1488
WIRE 1680 1488 1680 1312
WIRE 1680 1488 1552 1488
WIRE 1760 1488 1680 1488
WIRE 1168 1504 1168 1472
WIRE 2000 1504 2000 1360
WIRE 832 1520 832 1456
WIRE 1392 1536 1392 1488
WIRE 1824 1552 1824 1536
WIRE 1936 1552 1824 1552
WIRE 1824 1584 1824 1552
WIRE 832 1680 832 1600
WIRE 1392 1680 1392 1616
WIRE 1392 1680 832 1680
WIRE 1824 1680 1824 1664
WIRE 1824 1680 1392 1680
WIRE 2000 1680 2000 1600
WIRE 2000 1680 1824 1680
WIRE 2096 1680 2000 1680
WIRE 2096 1728 2096 1680
WIRE 2096 1824 2096 1808
FLAG 2096 1072 0
FLAG 2096 1824 0
FLAG 2256 1472 0
FLAG 1168 1504 0
FLAG 480 1360 0
FLAG 2256 1360 OUT
DATAFLAG 2128 1360 ""
SYMBOL NPN 1760 1120 R0
WINDOW 0 60 24 Left 2
WINDOW 3 60 68 Left 2
SYMATTR InstName Q5
SYMATTR Value 2N3904
SYMBOL npn 1936 1200 R0
SYMATTR InstName Q7
SYMATTR Value 2N2219A
SYMBOL npn 1936 1504 R0
SYMATTR InstName Q8
SYMATTR Value 2N2219A
SYMBOL PNP 1760 1536 M180
WINDOW 0 64 68 Left 2
WINDOW 3 68 28 Left 2
SYMATTR InstName Q6
SYMATTR Value 2N3906
SYMBOL VOLTAGE 2096 944 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL voltage 2096 1712 R0
SYMATTR InstName V2
SYMATTR Value -10
SYMBOL RES 1376 1520 R0
SYMATTR InstName R11
SYMATTR Value 5K
SYMBOL res 2240 1360 R0
SYMATTR InstName R14
SYMATTR Value 8
SYMBOL res 1376 1168 R0
SYMATTR InstName R9
SYMATTR Value 2K
SYMBOL res 1376 1360 R0
SYMATTR InstName R10
SYMATTR Value 1K
SYMBOL npn 1488 1232 R0
SYMATTR InstName Q4
SYMATTR Value 2N3904
SYMBOL npn 656 1312 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL npn 1008 1312 M0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res 704 944 R0
SYMATTR InstName R2
SYMATTR Value 200
SYMBOL res 816 1504 R0
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL pnp 1328 1136 M180
WINDOW 0 72 68 Left 2
WINDOW 3 72 28 Left 2
SYMATTR InstName Q3
SYMATTR Value 2N3906
SYMBOL res 1152 1376 R0
SYMATTR InstName R6
SYMATTR Value 5K
SYMBOL res 1312 1344 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 50K
SYMBOL res 624 1344 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 5K
SYMBOL res 1376 928 R0
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL res 1120 1072 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 9K
SYMBOL cap 1360 1152 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 100p
SYMBOL cap 1088 960 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL res 1808 1568 R0
SYMATTR InstName R13
SYMATTR Value 1K
SYMBOL res 1808 1248 R0
SYMATTR InstName R12
SYMATTR Value 1K
SYMBOL cap 1664 1248 R0
SYMATTR InstName C3
SYMATTR Value .001<EFBFBD>
SYMBOL res 1264 1072 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 1K
TEXT 1424 1800 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT 664 1656 Left 2 !.op
TEXT 616 1720 Left 2 ;After the solution is found and displayed in a dialog, you can read node voltages\nand device currents from the status bar by moving the mouse near the wire or part

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Version 4
SHEET 1 2884 3000
WIRE -1152 240 -1200 240
WIRE -912 240 -1072 240
WIRE -704 240 -912 240
WIRE -576 256 -864 256
WIRE -416 256 -576 256
WIRE -864 272 -864 256
WIRE -576 272 -576 256
WIRE -576 272 -608 272
WIRE -512 272 -576 272
WIRE -416 272 -416 256
WIRE -608 304 -608 272
WIRE -512 304 -512 272
WIRE -272 304 -368 304
WIRE -160 304 -272 304
WIRE -128 304 -160 304
WIRE -16 304 -48 304
WIRE 32 304 -16 304
WIRE 144 304 112 304
WIRE 192 304 144 304
WIRE 304 304 272 304
WIRE 352 304 304 304
WIRE 640 304 432 304
WIRE 864 304 640 304
WIRE -368 320 -368 304
WIRE -272 320 -272 304
WIRE -16 320 -16 304
WIRE 144 320 144 304
WIRE 304 320 304 304
WIRE -160 336 -160 304
WIRE -896 352 -896 320
WIRE -864 352 -896 352
WIRE -800 352 -800 320
WIRE -800 352 -864 352
WIRE -864 368 -864 352
WIRE -800 368 -864 368
WIRE -704 368 -704 240
WIRE -704 368 -720 368
WIRE -688 368 -704 368
WIRE -576 368 -576 352
WIRE -576 368 -608 368
WIRE -416 368 -416 352
WIRE -416 368 -448 368
WIRE 672 368 560 368
WIRE 864 368 864 304
WIRE 864 368 832 368
WIRE -864 384 -864 368
WIRE -576 384 -576 368
WIRE -576 384 -608 384
WIRE -512 384 -576 384
WIRE -416 384 -416 368
WIRE -16 400 -16 384
WIRE 144 400 144 384
WIRE 304 400 304 384
WIRE -608 416 -608 384
WIRE -512 416 -512 384
WIRE -368 416 -368 400
WIRE -272 416 -272 400
WIRE -160 416 -160 400
WIRE 640 416 640 304
WIRE 656 416 640 416
WIRE 992 416 832 416
WIRE 1088 416 1072 416
WIRE -752 432 -768 432
WIRE -656 432 -672 432
WIRE -896 464 -896 432
WIRE -864 464 -896 464
WIRE -800 464 -800 432
WIRE -800 464 -864 464
WIRE -864 480 -864 464
WIRE -576 480 -576 464
WIRE -576 480 -864 480
WIRE -416 480 -416 464
WIRE -416 480 -576 480
WIRE 832 480 832 464
WIRE -512 512 -608 512
WIRE -272 512 -512 512
WIRE -160 512 -272 512
WIRE -16 512 -160 512
WIRE -160 528 -160 512
WIRE -912 544 -912 240
WIRE -896 544 -912 544
WIRE -816 544 -832 544
WIRE -272 560 -272 512
WIRE -608 592 -608 512
WIRE 256 592 256 576
WIRE 352 592 352 576
WIRE 944 624 864 624
WIRE 1024 624 1024 608
WIRE 1024 624 1008 624
WIRE 1040 624 1040 608
WIRE 1072 624 1040 624
WIRE -160 640 -160 608
WIRE -128 640 -160 640
WIRE -48 640 -64 640
WIRE -160 656 -160 640
WIRE 256 688 256 672
WIRE 352 688 352 672
WIRE -272 704 -272 640
WIRE -224 704 -272 704
WIRE -512 720 -512 512
WIRE -16 720 -16 512
WIRE 864 720 864 624
WIRE 880 720 864 720
WIRE 1024 720 1024 704
WIRE 1024 720 944 720
WIRE 1040 720 1040 704
WIRE 1072 720 1072 624
WIRE 1072 720 1040 720
WIRE -768 768 -768 432
WIRE -720 768 -768 768
WIRE -608 768 -608 672
WIRE -608 768 -624 768
WIRE -576 768 -608 768
WIRE -160 768 -160 752
WIRE -80 768 -160 768
WIRE -768 784 -768 768
WIRE -272 816 -272 704
WIRE 864 816 864 720
WIRE 944 816 864 816
WIRE 1024 816 1024 800
WIRE 1024 816 1008 816
WIRE 1040 816 1040 800
WIRE 1072 816 1072 720
WIRE 1072 816 1040 816
WIRE -688 832 -688 816
WIRE -160 832 -160 768
WIRE -16 832 -16 816
WIRE -768 864 -768 848
WIRE -512 864 -512 816
WIRE -496 864 -512 864
WIRE -400 864 -432 864
WIRE -336 864 -400 864
WIRE 480 864 384 864
WIRE 720 864 480 864
WIRE -400 880 -400 864
WIRE 384 880 384 864
WIRE 480 880 480 864
WIRE 720 880 720 864
WIRE 864 896 864 816
WIRE 880 896 864 896
WIRE 1072 896 1072 816
WIRE 1072 896 944 896
WIRE -16 928 -16 912
WIRE 48 928 -16 928
WIRE 224 928 192 928
WIRE 336 928 224 928
WIRE -16 944 -16 928
WIRE 224 944 224 928
WIRE 336 944 336 928
WIRE 560 944 560 368
WIRE 560 944 528 944
WIRE 576 944 560 944
WIRE 640 944 640 416
WIRE 640 944 624 944
WIRE 672 944 640 944
WIRE -160 960 -160 896
WIRE -400 976 -400 960
WIRE 992 976 992 960
WIRE 384 992 384 960
WIRE 400 992 384 992
WIRE 480 992 480 976
WIRE 480 992 464 992
WIRE 720 992 720 976
WIRE 768 992 720 992
WIRE 864 992 864 896
WIRE 864 992 848 992
WIRE 960 992 864 992
WIRE 480 1008 480 992
WIRE 720 1008 720 992
WIRE 864 1008 864 992
WIRE 1072 1008 1072 896
WIRE 1072 1008 1024 1008
WIRE 1280 1008 1072 1008
WIRE -512 1024 -512 864
WIRE 384 1024 384 992
WIRE 960 1024 944 1024
WIRE -272 1040 -272 912
WIRE -272 1040 -352 1040
WIRE -16 1040 -16 1024
WIRE 224 1040 224 1008
WIRE 336 1040 336 1024
WIRE 576 1040 624 944
WIRE 576 1040 528 1040
WIRE 624 1040 576 944
WIRE 672 1040 624 1040
WIRE -352 1056 -352 1040
WIRE 992 1056 992 1040
WIRE -272 1088 -272 1040
WIRE -160 1088 -160 1024
WIRE -80 1088 -160 1088
WIRE 864 1088 864 1072
WIRE -160 1104 -160 1088
WIRE 384 1120 384 1104
WIRE 480 1120 480 1104
WIRE 480 1120 384 1120
WIRE 720 1120 720 1104
WIRE 720 1120 480 1120
WIRE -800 1136 -880 1136
WIRE -672 1136 -736 1136
WIRE -352 1136 -352 1120
WIRE -512 1200 -512 1104
WIRE -272 1200 -272 1168
WIRE -272 1200 -512 1200
WIRE -160 1200 -160 1184
WIRE -160 1200 -272 1200
WIRE -16 1200 -16 1136
WIRE -16 1200 -160 1200
WIRE -912 1248 -912 544
WIRE -880 1248 -880 1136
WIRE -880 1248 -912 1248
WIRE -816 1248 -880 1248
WIRE -672 1248 -672 1136
WIRE -672 1248 -736 1248
WIRE -384 1248 -384 1232
WIRE -384 1248 -672 1248
WIRE -352 1248 -352 1232
WIRE -304 1248 -352 1248
WIRE 1072 1248 1072 1008
WIRE 1072 1248 -304 1248
WIRE -352 1296 -384 1296
WIRE -912 1312 -912 1248
WIRE -640 1312 -912 1312
WIRE -576 1312 -640 1312
WIRE -432 1312 -496 1312
WIRE -384 1312 -384 1296
WIRE -384 1312 -432 1312
WIRE -352 1312 -352 1296
WIRE -304 1312 -304 1248
WIRE -304 1312 -352 1312
WIRE -800 1360 -880 1360
WIRE -672 1360 -736 1360
WIRE -640 1424 -640 1312
WIRE -560 1424 -640 1424
WIRE -432 1424 -432 1312
WIRE -432 1424 -496 1424
WIRE -912 1472 -912 1312
WIRE -880 1472 -880 1360
WIRE -880 1472 -912 1472
WIRE -816 1472 -880 1472
WIRE -672 1472 -672 1360
WIRE -672 1472 -736 1472
WIRE -384 1472 -384 1456
WIRE -384 1472 -672 1472
WIRE -352 1472 -352 1456
WIRE -304 1472 -304 1312
WIRE -304 1472 -352 1472
WIRE -912 1536 -912 1472
WIRE -640 1536 -912 1536
WIRE -576 1536 -640 1536
WIRE -432 1536 -496 1536
WIRE -384 1536 -384 1520
WIRE -384 1536 -432 1536
WIRE -352 1536 -352 1520
WIRE -304 1536 -304 1472
WIRE -304 1536 -352 1536
WIRE -800 1584 -880 1584
WIRE -672 1584 -736 1584
WIRE -640 1648 -640 1536
WIRE -560 1648 -640 1648
WIRE -432 1648 -432 1536
WIRE -432 1648 -496 1648
WIRE -912 1696 -912 1536
WIRE -880 1696 -880 1584
WIRE -880 1696 -912 1696
WIRE -816 1696 -880 1696
WIRE -672 1696 -672 1584
WIRE -672 1696 -736 1696
WIRE -384 1696 -384 1680
WIRE -384 1696 -672 1696
WIRE -352 1696 -352 1680
WIRE -304 1696 -304 1536
WIRE -304 1696 -352 1696
WIRE -912 1760 -912 1696
WIRE -640 1760 -912 1760
WIRE -576 1760 -640 1760
WIRE -432 1760 -496 1760
WIRE -384 1760 -384 1744
WIRE -384 1760 -432 1760
WIRE -352 1760 -352 1744
WIRE -304 1760 -304 1696
WIRE -304 1760 -352 1760
WIRE -800 1808 -880 1808
WIRE -672 1808 -736 1808
WIRE -640 1872 -640 1760
WIRE -560 1872 -640 1872
WIRE -432 1872 -432 1760
WIRE -432 1872 -496 1872
WIRE -912 1920 -912 1760
WIRE -880 1920 -880 1808
WIRE -880 1920 -912 1920
WIRE -816 1920 -880 1920
WIRE -672 1920 -672 1808
WIRE -672 1920 -736 1920
WIRE -384 1920 -384 1904
WIRE -384 1920 -672 1920
WIRE -352 1920 -352 1904
WIRE -304 1920 -304 1760
WIRE -304 1920 -352 1920
WIRE -912 1984 -912 1920
WIRE -640 1984 -912 1984
WIRE -576 1984 -640 1984
WIRE -432 1984 -496 1984
WIRE -384 1984 -384 1968
WIRE -384 1984 -432 1984
WIRE -352 1984 -352 1968
WIRE -304 1984 -304 1920
WIRE -304 1984 -352 1984
WIRE -640 2096 -640 1984
WIRE -560 2096 -640 2096
WIRE -432 2096 -432 1984
WIRE -432 2096 -496 2096
FLAG 256 688 0
FLAG -272 416 0
FLAG -368 416 0
FLAG 336 1040 0
FLAG 400 992 0
FLAG 464 992 0
FLAG 352 688 0
FLAG 256 576 +V
FLAG 352 576 -V
FLAG 992 960 +V
FLAG 992 1056 -V
FLAG 944 1024 0
FLAG -1200 240 0
FLAG 1280 1008 OUT
FLAG -656 432 0
FLAG -448 368 0
FLAG -160 416 0
FLAG -688 832 0
FLAG -400 976 0
FLAG -352 1136 0
FLAG -48 640 0
FLAG -16 1200 -V
FLAG -16 512 +V
FLAG -768 864 0
FLAG -816 544 0
FLAG -912 240 IN
FLAG 224 1040 0
FLAG 1088 416 0
FLAG 832 480 0
FLAG 864 1088 0
FLAG 304 400 0
FLAG 144 400 0
FLAG -16 400 0
SYMBOL voltage 256 576 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL ind2 -432 256 R0
WINDOW 0 1 37 Right 2
WINDOW 3 -2 74 Right 2
SYMATTR InstName T3a
SYMATTR Value 25<32>
SYMATTR Type ind
SYMBOL ind2 -432 368 R0
WINDOW 0 -2 42 Right 2
WINDOW 3 -7 76 Right 2
SYMATTR InstName T3b
SYMATTR Value 25<32>
SYMATTR Type ind
SYMBOL ind2 -352 304 M0
WINDOW 0 2 39 Right 2
WINDOW 3 2 74 Right 2
SYMATTR InstName T3c
SYMATTR Value 25<32>
SYMATTR Type ind
SYMBOL res -288 304 R0
SYMATTR InstName R1
SYMATTR Value 500
SYMBOL res -32 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 25K
SYMBOL ind2 400 976 R180
WINDOW 0 1 71 Right 2
WINDOW 3 2 37 Right 2
SYMATTR InstName T1b
SYMATTR Value 100<30>
SYMATTR Type ind
SYMBOL ind2 400 1120 R180
WINDOW 0 1 70 Right 2
WINDOW 3 2 37 Right 2
SYMATTR InstName T1c
SYMATTR Value 100<30>
SYMATTR Type ind
SYMBOL ind2 320 1040 M180
WINDOW 0 0 72 Right 2
WINDOW 3 2 38 Right 2
SYMATTR InstName T1a
SYMATTR Value 100<30>
SYMATTR Type ind
SYMBOL njf 672 880 R0
WINDOW 3 56 54 Left 2
WINDOW 0 56 24 Left 2
SYMATTR Value 2N4416
SYMATTR InstName Q1
SYMBOL njf 672 1104 M180
WINDOW 0 56 73 Left 2
WINDOW 3 58 23 Left 2
SYMATTR InstName Q2
SYMATTR Value 2N4416
SYMBOL njf 528 880 M0
WINDOW 0 39 2 Right 2
WINDOW 3 36 101 Right 2
SYMATTR InstName Q3
SYMATTR Value 2N4416
SYMBOL njf 528 1104 R180
WINDOW 0 39 90 Right 2
WINDOW 3 35 7 Right 2
SYMATTR InstName Q4
SYMATTR Value 2N4416
SYMBOL voltage 352 576 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL current -1152 240 M90
WINDOW 0 -32 40 VBottom 2
WINDOW 3 32 40 VTop 2
WINDOW 123 74 40 VTop 2
WINDOW 39 53 40 VTop 2
SYMATTR InstName I1
SYMATTR Value PULSE(0 1000p 1m 1u 1u 5m 10m)
SYMBOL res -720 1232 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100G
SYMBOL cap -736 1120 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .015p
SYMBOL ind2 -816 352 M90
WINDOW 0 4 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName T2a
SYMATTR Value 50<35>
SYMATTR Type ind
SYMBOL ind2 -704 352 M90
WINDOW 0 4 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName T2b
SYMATTR Value 50<35>
SYMATTR Type ind
SYMBOL ind2 -656 448 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 10 55 VBottom 2
SYMATTR InstName T2c
SYMATTR Value 50<35>
SYMATTR Type ind
SYMBOL cap -176 400 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C2
SYMATTR Value 4n
SYMBOL cap 1008 800 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 123 60 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1000p
SYMATTR Value2 IC=0
SYMBOL Opamps\\LT1001 992 944 R0
WINDOW 3 -40 153 Left 2
SYMATTR InstName U1
SYMBOL njf -624 816 M270
WINDOW 0 51 48 VTop 2
WINDOW 3 -3 44 VLeft 2
SYMATTR InstName Q5
SYMATTR Value 2N4416
SYMBOL npn -576 720 R0
SYMATTR InstName Q6
SYMATTR Value 2N3904
SYMBOL res -528 1008 R0
SYMATTR InstName R4
SYMATTR Value 4.99K
SYMBOL cap -432 848 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value .01<EFBFBD>
SYMBOL res -416 864 R0
SYMATTR InstName R5
SYMATTR Value 1K
SYMBOL npn -336 816 R0
SYMATTR InstName Q7
SYMATTR Value 2N3904
SYMBOL res -288 1072 R0
SYMATTR InstName R6
SYMATTR Value 4.75K
SYMBOL cap -368 1056 R0
SYMATTR InstName C5
SYMATTR Value .01<EFBFBD>
SYMBOL res -288 544 R0
SYMATTR InstName R7
SYMATTR Value 2.5K
SYMBOL pnp -224 752 M180
WINDOW 0 59 68 Left 2
WINDOW 3 61 34 Left 2
SYMATTR InstName Q8
SYMATTR Value 2N3906
SYMBOL res -176 512 R0
SYMATTR InstName R8
SYMATTR Value 1.98K
SYMBOL cap -128 624 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value .01<EFBFBD>
SYMBOL res -176 1088 R0
SYMATTR InstName R9
SYMATTR Value 4.22K
SYMBOL npn -80 720 R0
SYMATTR InstName Q9
SYMATTR Value 2N3904
SYMBOL cap -784 848 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C7
SYMATTR Value 2n
SYMBOL res -624 576 R0
SYMATTR InstName R10
SYMATTR Value 1.2K
SYMBOL pnp -80 1136 M180
WINDOW 0 59 68 Left 2
WINDOW 3 61 34 Left 2
SYMATTR InstName Q10
SYMATTR Value 2N3906
SYMBOL diode -176 832 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode -176 960 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL res -32 816 R0
SYMATTR InstName R11
SYMATTR Value 49.9
SYMBOL res -32 928 R0
SYMATTR InstName R12
SYMATTR Value 49.9
SYMBOL cap 192 912 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C8
SYMATTR Value .1<EFBFBD>
SYMBOL res -720 1680 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 10Meg
SYMBOL cap -736 1568 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 2.5p
SYMBOL res -480 1744 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 1Meg
SYMBOL res -720 1904 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R15
SYMATTR Value 100K
SYMBOL cap -496 1856 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 75p
SYMBOL cap -736 1792 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value 100p
SYMBOL cap 944 704 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 123 60 32 VTop 2
SYMATTR InstName C12
SYMATTR Value .05<EFBFBD>
SYMATTR Value2 IC=0
SYMBOL cap 1008 608 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 123 60 32 VTop 2
SYMATTR InstName C13
SYMATTR Value .1<EFBFBD>
SYMATTR Value2 IC=0
SYMBOL njf -800 384 R90
WINDOW 0 34 48 VCenter 2
WINDOW 3 61 46 VCenter 2
SYMATTR InstName J3
SYMATTR Value 2N5432
SYMBOL njf -800 272 R90
WINDOW 0 34 48 VCenter 2
WINDOW 3 61 46 VCenter 2
SYMATTR InstName J1
SYMATTR Value 2N5432
SYMBOL njf -512 464 M270
WINDOW 0 34 48 VCenter 2
WINDOW 3 61 46 VCenter 2
SYMATTR InstName J4
SYMATTR Value 2N5432
SYMBOL njf -512 352 M270
WINDOW 0 34 48 VCenter 2
WINDOW 3 61 46 VCenter 2
SYMATTR InstName J2
SYMATTR Value 2N5432
SYMBOL res -480 1296 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R16
SYMATTR Value 10G
SYMBOL cap -496 1408 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C14
SYMATTR Value .04p
SYMBOL cap 944 880 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 123 60 32 VTop 2
SYMATTR InstName C15
SYMATTR Value 25p
SYMATTR Value2 IC=0
SYMBOL cap -896 528 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C16
SYMATTR Value 100p
SYMBOL res -720 1456 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R17
SYMATTR Value 1G
SYMBOL cap -736 1344 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C17
SYMATTR Value .2p
SYMBOL res -480 1520 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R18
SYMATTR Value 100Meg
SYMBOL cap -496 1632 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C18
SYMATTR Value .4p
SYMBOL res -480 1968 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R19
SYMATTR Value 10K
SYMBOL cap -496 2080 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C19
SYMATTR Value 50p
SYMBOL cap 208 1008 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C20
SYMATTR Value 1n
SYMBOL Digital\\dflop 752 320 M0
WINDOW 0 -10 75 Center 2
WINDOW 3 -97 197 Left 2
WINDOW 123 -56 165 Left 2
SYMATTR InstName A1
SYMATTR Value Vhigh=0 Vlow=-5
SYMATTR Value2 Trise=10n
SYMBOL voltage 976 416 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName V3
SYMATTR Value pulse(-5 0 0 10n 10n .5u 1u)
SYMBOL cap 848 1008 R0
SYMATTR InstName C21
SYMATTR Value .01<EFBFBD>
SYMBOL res 864 976 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R20
SYMATTR Value 100
SYMBOL res 144 912 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 500
SYMBOL cap 288 320 R0
SYMATTR InstName C22
SYMATTR Value 1n
SYMBOL res 448 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 100
SYMBOL cap 128 320 R0
SYMATTR InstName C23
SYMATTR Value 500p
SYMBOL res 288 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R23
SYMATTR Value 200
SYMBOL cap -32 320 R0
SYMATTR InstName C24
SYMATTR Value 250p
SYMBOL res 128 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R24
SYMATTR Value 400
TEXT 792 1392 Left 2 !.tran 15m
TEXT -384 256 Bottom 2 !K3 T3a T3b T3c 1.
TEXT 392 864 Bottom 2 !K1 T1a T1b T1c 1.
TEXT -704 232 Bottom 2 !K2 T2a T2b T2c 1.
TEXT -24 216 Bottom 2 ;Old Fashioned Electrometer Using Parametric up Conversion\nThese days you should just use a AD549
TEXT -536 1368 Center 2 ;<3B>1nA full scale
TEXT -768 1640 Center 2 ;<3B>1<EFBFBD>A full scale
TEXT -776 1864 Center 2 ;<3B>100<30>A full scale
TEXT 1088 816 Left 2 ;Add for <20>1<EFBFBD>A full scale
TEXT -536 1816 Center 2 ;<3B>10<31>A full scale
TEXT 1088 624 Left 2 ;Add for <20>100<30>A, <20>1mA full scale
TEXT -776 1192 Center 2 ;<3B>100pA full scale
TEXT 1088 896 Left 2 ;<3B>100pA, <20>1nA, <20>10nA, <20>100nA full scale
TEXT -768 1416 Center 2 ;<3B>10nA full scale
TEXT -536 1592 Center 2 ;<3B>100nA full scale
TEXT 1088 720 Left 2 ;Add for <20>10<31>A full scale
TEXT -536 2040 Center 2 ;<3B>1mA full scale
TEXT -216 1544 Left 2 ;A 1% mismatch in J1, J2, J3, J4 capacitiances give a 6mV input offset and a 425mV output offset(4.25pA readout error) at <20>100pA full scale range.\nQ1, Q2, Q3, Q4 require a low drive impedance lest the gain of the loop inverts at high input currents.
TEXT 1184 1008 Bottom 2 ;<3B>10V full scale
TEXT 976 1120 Top 2 ;Trim to reduce\nerror to a\nfraction of 1pA

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Version 4
SHEET 1 4156 1252
WIRE 1424 544 1392 544
WIRE 1520 544 1504 544
WIRE 1696 544 1520 544
WIRE 1856 544 1776 544
WIRE 1936 576 1936 560
WIRE 2032 576 2032 560
WIRE 1520 640 1520 544
WIRE 1552 640 1520 640
WIRE 1584 640 1552 640
WIRE 1696 640 1664 640
WIRE 1760 640 1696 640
WIRE 1856 656 1856 544
WIRE 1856 656 1824 656
WIRE 1760 672 1744 672
WIRE 1936 672 1936 656
WIRE 2032 672 2032 656
FLAG 1552 640 A
FLAG 1696 640 B
FLAG 1936 672 0
FLAG 2032 672 0
FLAG 1936 560 +V
FLAG 1792 624 +V
FLAG 2032 560 -V
FLAG 1792 688 -V
FLAG 1744 672 0
FLAG 1392 544 0
SYMBOL VOLTAGE 1568 640 M90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V3
SYMATTR Value SINE(0 10m {Freq})
SYMATTR Value2 ac 1
SYMBOL Opamps\\UniversalOpamp2 1792 656 R0
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TEXT 2200 560 Left 2 !.tran 0 {5/Freq+.1m} .1m\n.step oct param Freq .1 10Meg 3
TEXT 1504 752 Left 2 !.measure Aavg avg V(a)\n.measure Bavg avg V(b)\n.measure Are avg (V(a)-Aavg)*cos(360*time*Freq)\n.measure Aim avg -(V(a)-Aavg)*sin(360*time*Freq)\n.measure Bre avg (V(b)-Bavg)*cos(360*time*Freq)\n.measure Bim avg -(V(b)-Bavg)*sin(360*time*Freq)\n.measure GainMag param 20*log10(hypot(Are,Aim) / hypot(Bre,Bim))\n.measure GainPhi param mod(atan2(Aim, Are) - atan2(Bim, Bre)+180,360)-180
TEXT 2200 448 Left 2 !.save V(a) V(b)\n.option nomarch\n.option plotwinsize=0 numdgt=15
TEXT 2200 648 Left 2 ;.ac oct 10 .1 10Meg\n.param freq=0
TEXT 1856 248 Center 2 ;This example shows the basic principle of extracting\nthe small signal AC characteristics from time domain simulation.\n \nAfter running the simulation, execute menu command\nView=>SPICE Error Log. Then right click and select\n"Plot .step'ed .meas data". Press "yes" to the dialog\nasking if it should combine the data to complex numbers.
TEXT 2200 784 Left 2 ;To use this technique in your\nown simulations, include these\n.measure statements
RECTANGLE Normal 2608 976 1488 720 2

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TEXT 1672 192 Left 2 !.measure Aavg avg V(a)\n.measure Bavg avg V(b)\n.measure Are avg (V(a)-Aavg)*cos(360*time*Freq)\n.measure Aim avg -(V(a)-Aavg)*sin(360*time*Freq)\n.measure Bre avg (V(b)-Bavg)*cos(360*time*Freq)\n.measure Bim avg -(V(b)-Bavg)*sin(360*time*Freq)\n.measure GainMag param 20*log10(hypot(Are,Aim) / hypot(Bre,Bim))\n.measure GainPhi param mod(atan2(Aim, Are) - atan2(Bim, Bre)+180,360)-180
TEXT 1680 560 Left 2 ;Loop crossover frequency: 125KHz\nPhase Margin: 92<39>
TEXT 1664 32 Left 2 !.param Freq=125K ; iterate to 0dB gain or use the .step statement below\n.step oct param freq 50K 200K 5\n.save V(a) V(b) I(L1)\n.option plotwinsize=0 numdgt=15
TEXT 1672 472 Left 2 !.param t0=.2m\n.tran 0 {t0+25/freq} {t0}

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TEXT 1856 1624 Left 2 !.param t0=.5m\n.tran 0 {t0+10/Freq} {t0} 10n
TEXT 1856 1536 Left 2 !.ic V(out)=2.4\n.save V(a) V(b) I(L1)
TEXT 800 1480 Left 2 !.measure Aavg avg V(a)\n.measure Bavg avg V(b)\n.measure Are avg (V(a)-Aavg)*cos(360*time*Freq)\n.measure Aim avg -(V(a)-Aavg)*sin(360*time*Freq)\n.measure Bre avg (V(b)-Bavg)*cos(360*time*Freq)\n.measure Bim avg -(V(b)-Bavg)*sin(360*time*Freq)\n.measure GainMag param 20*log10(hypot(Are,Aim) / hypot(Bre,Bim))\n.measure GainPhi param mod(atan2(Aim, Are) - atan2(Bim, Bre)+180,360)-180
TEXT 1856 1464 Left 2 !.param freq=21K ; iterate to 0dB gain or use the .step statement below\n.step oct param Freq 15K 30K 4
TEXT 2256 1576 Left 2 ;Loop crossover frequency: 21KHz\nPhase Margin: 66<36>

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Frequency Response Analysis
These examples show to how to extract the small-signal, AC open-loop
gain from time-domain, closed-loop simulations. The technique is a
subset of the method shown in ../LoopGain.asc and ../LoopGain2.asc.
The method assumes that the input impedance of the error amplifier is
infinite so that the loop gain can be computed solely by the voltage
loop gain.
The open-loop gain is computed from the closed-loop system by inserting
a perturbing voltage source in the loop and measuring how well the
perturbation is servoed out of the the loop via the feedback. The
open-loop gain is given by the ratio of complex voltages at either side
of the perturbing voltage source.
But since the SMPS macromodels are implemented as time-domain models
that include detailed switching information but don't include
continuous-time(average) equivalents, the complex voltage is determined
from Fourier analysis of a time-domain sine wave perturbation.
A script of .measure statements is used to perform the Fourier analysis
and computer the open-loop response. To use this script into your own
SMPS design, follow these steps:
1. Place these .measure statements on your circuit as a SPICE
directive:
.measure Aavg avg V(a)
.measure Bavg avg V(b)
.measure Are avg (V(a)-Aavg)*cos(360*time*Freq)
.measure Aim avg -(V(a)-Aavg)*sin(360*time*Freq)
.measure Bre avg (V(b)-Bavg)*cos(360*time*Freq)
.measure Bim avg -(V(b)-Bavg)*sin(360*time*Freq)
.measure GainMag param 20*log10(hypot(Are,Aim) / hypot(Bre,Bim))
.measure GainPhi param mod(atan2(Aim,Are)-atan2(Bim,Bre)+180,360)-180
2. Insert a voltage source in the feedback loop under analysis. Give
this voltage sourse the value SINE(0 5m {Freq})
3. Place a SPICE directive on the schmatic that defines Freq:
.param Freq=10K
4. Run a .tran command to see how long it takes your circuit to come to
steady state and then edit the .tran command so that data isn't saved
until this time.
5. Rerun the .tran command to do the analysis at the frequency defined
with the .param statement of step 3.
6. Execute menu command View=>SPICE Error Log to see the results of this
analysis. The open-loop response magnitude is given by GainMag[dB]
and the phase is given by GainPhi[<5B>].
You can iterate the param Freq to zero dB. That frequency is the loop
crossover frequency and phase margin will be reported as GainPhi in the
error log.
You can set up a .step statement to sweep the parameter Freq. Then you
can plot the open-loop response be executing menu command
View=>SPICE Error Log, and then right mouse clicking and executing menu
command "Plot .step'ed .meas data" Answer yes to the dialog that asks
if LTspice should combine the real .meas data to complex data. Then you
can plot the quanity gain to get a Bode plot the open-loop response of
the system.
--Mike

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TEXT 2256 -328 Left 2 !.tran 1m
TEXT 2312 -272 Left 2 !.options maxstep=.0125u
TEXT 2880 -368 Left 2 !.params Cjo=930p m=.75 Vj=1.2 Fc=0.;-.5
TEXT 2888 -424 Left 2 !.include capometer.sub
TEXT 2880 -312 Left 2 !.model DX D(Is=0 Cjo={Cjo} m={m} vj={Vj} Fc={Fc} tt=.5u))
TEXT 2880 -264 Left 2 !*.model DX D(Is=0 Cjo={Cjo} m={m} vj={Vj} Fc={Fc} tt=.5u)
TEXT 2880 64 Top 1 ;This example schematic is supplied for informational/educational purposes only.

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SYMATTR InstName B1
SYMATTR Value I=I(V1)
SYMBOL res 144 -832 R0
SYMATTR InstName R3
SYMATTR Value 200
SYMBOL cap 256 -768 R0
SYMATTR InstName C2d
SYMATTR Value 16p
SYMBOL voltage 416 -784 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 32 56 VTop 2
WINDOW 39 32 56 VTop 2
SYMATTR InstName V2
SYMATTR Value 0
SYMBOL res 400 -784 R0
SYMATTR InstName Rm2
SYMATTR Value 200
SYMBOL cap 256 -640 R0
SYMATTR InstName Ct2
SYMATTR Value 5p
SYMBOL bi 416 -560 M180
WINDOW 0 26 78 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName B2
SYMATTR Value I=I(V2)
SYMBOL cap 400 -512 R0
SYMATTR InstName Cc
SYMATTR Value 5p
SYMBOL res 272 -528 R0
SYMATTR InstName R8
SYMATTR Value 10Meg
SYMBOL cap 560 -800 R0
SYMATTR InstName C3t
SYMATTR Value 5p
SYMBOL bi 704 -816 R0
WINDOW 3 25 81 Left 2
SYMATTR Value I=I(V3)
SYMATTR InstName B3
SYMBOL cap 560 -656 R0
SYMATTR InstName C3d
SYMATTR Value 30p
SYMBOL res 688 -704 R0
SYMATTR InstName Rm3
SYMATTR Value 50
SYMBOL voltage 704 -608 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value 0
SYMATTR InstName V3
SYMBOL cap 832 -800 R0
SYMATTR InstName C4t
SYMATTR Value 50p
SYMBOL bi 976 -800 R0
SYMATTR InstName B4
SYMATTR Value I=I(V4)
SYMBOL cap 832 -624 R0
SYMATTR InstName C4d
SYMATTR Value 160p
SYMBOL res 960 -704 R0
SYMATTR InstName Rm4
SYMATTR Value 10
SYMBOL voltage 976 -608 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value 0
SYMATTR InstName V4
SYMBOL res 592 -80 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res 880 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 900
SYMBOL res 1024 -288 R0
SYMATTR InstName RL
SYMATTR Value 1k
TEXT 232 16 Left 2 !.ac dec 100 100m 100G
TEXT 232 -48 Left 2 !.param z=0
TEXT 232 -16 Left 2 !.step param z list -1 0 1
TEXT 136 56 Top 1 ;This example schematic is supplied for informational/educational purposes only.\nWe thank Frank Wiedmann for contributing this example.
TEXT 80 -872 Bottom 2 ;This example shows how to simulate the quantities of the General Feedback Theorem, which are defined in the article\n R. David Middlebrook, "The General Feedback Theorem: A Final Solution for Feedback Systems", IEEE Microwave Magazine, vol. 7, no. 2, pp. 50-63, April 2006.\nThis article can be downloaded from http://resolver.caltech.edu/CaltechAUTHORS:MIDieeemm06 .\nSee also message 18008 of the independent LTspice users' group at http://groups.yahoo.com/group/LTspice where this method was originally presented by Frank Wiedmann.
TEXT -936 -744 Left 2 ;* For this example, add the following definitions to the plot.defs file:\n* A() is an auxiliary quantity.\n* Dd() corresponds to D.\n* Hinf() corresponds to H_infinity.\n* All other function names are equal to those of the corresponding quantities.\n \n.func A() = V(o)@2*(V(y)@1*I(Viy)@3-V(y)@3*I(Viy)@1)+V(o)@1\n+ *(V(y)@3*I(Viy)@2-V(y)@2*I(Viy)@3)+V(o)@3\n+ *(V(y)@2*I(Viy)@1-V(y)@1*I(Viy)@2)\n.func Dd() = V(y)@1*I(Viy)@3-V(y)@3*I(Viy)@1\n.func H() = V(o)@2\n.func Hinf() = A()/Dd()\n.func T() = 1/(1/Dd()-1)\n.func Dn() = H()/A()\n.func Tn() = 1/(Dn()-1)\n.func D0() = 1-Dd()\n.func H0() = (H()-A())/D0()

33
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Version 4
SHEET 1 1640 904
WIRE 1344 560 1232 560
WIRE 1488 560 1344 560
WIRE 1232 576 1232 560
WIRE 1344 576 1344 560
WIRE 1184 592 544 592
WIRE 544 608 544 592
WIRE 1184 640 1168 640
WIRE 1168 672 1168 640
WIRE 1232 672 1232 656
WIRE 1344 672 1344 656
WIRE 544 720 544 688
FLAG 544 720 0
FLAG 1344 672 0
FLAG 1232 672 0
FLAG 1168 672 0
FLAG 1488 560 B
SYMBOL voltage 544 592 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 1 0 1n 1n 5u 10u) AC 1
SYMBOL g 1232 560 R0
WINDOW 0 28 24 Left 2
WINDOW 3 -136 160 Left 2
SYMATTR InstName G2
SYMATTR Value Laplace=1/sqrt(1+1u*s)/(1+5n*s)**2
SYMBOL res 1328 560 R0
SYMATTR InstName R1
SYMATTR Value 1.
TEXT 744 800 Left 2 !*.ac oct 20 1K 10Meg
TEXT 744 760 Left 2 !.tran 30u
TEXT 1040 552 Bottom 2 ;Time domain response of a 3db/octive rolloff
TEXT 1000 848 Top 1 ;This example schematic is supplied for informational/educational purposes only.

13
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[Transient Analysis]
{
Npanes: 1
{
traces: 1 {268959746,0,"V(b)"}
X: ('<EFBFBD>',0,0,3e-006,3e-005)
Y[0]: (' ',1,0,0.1,1.1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1.1)
Log: 0 0 0
GridStyle: 1
}
}

82
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Version 4
SHEET 1 2764 2344
WIRE 2080 1664 1984 1664
WIRE 2400 1664 2160 1664
WIRE 2000 1792 1984 1792
WIRE 2112 1792 2080 1792
WIRE 2144 1792 2112 1792
WIRE 2256 1792 2224 1792
WIRE 2112 1824 2112 1792
WIRE 2256 1856 2256 1792
WIRE 2320 1856 2256 1856
WIRE 2320 1872 2320 1856
WIRE 1984 1920 1984 1792
WIRE 2080 1920 1984 1920
WIRE 2256 1920 2256 1856
WIRE 2256 1920 2144 1920
WIRE 1984 1952 1984 1920
WIRE 2320 1968 2320 1936
WIRE 2320 1968 2192 1968
WIRE 2400 1968 2320 1968
WIRE 2192 1984 2192 1968
WIRE 2400 1984 2400 1968
WIRE 1984 2048 1984 2016
WIRE 2144 2048 1984 2048
WIRE 1984 2080 1984 2048
WIRE 2192 2096 2192 2080
WIRE 2400 2096 2400 2064
WIRE 1984 2176 1984 2144
WIRE 2400 2192 2400 2176
FLAG 2400 2192 0
FLAG 2192 2096 0
FLAG 2112 1824 0
FLAG 1984 2176 0
FLAG 1984 1664 0
FLAG 2400 1664 out
SYMBOL njf 2144 1984 R0
SYMATTR InstName J1
SYMATTR Value 2N5484
SYMBOL voltage 2400 2080 R0
SYMATTR InstName V1
SYMATTR Value 10.
SYMBOL cap 2144 1904 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 250p
SYMBOL ind 2384 1968 R0
WINDOW 0 36 25 Left 2
WINDOW 3 36 55 Left 2
WINDOW 39 37 81 Left 2
SYMATTR InstName L4
SYMATTR Value 1m
SYMATTR SpiceLine Rser=100
SYMBOL ind2 2128 1808 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 4 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 30<33>
SYMBOL ind2 1984 1808 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 4 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 30<33>
SYMBOL cap 2304 1872 R0
SYMATTR InstName C1
SYMATTR Value 500p
SYMBOL cap 1968 1952 R0
SYMATTR InstName C2
SYMATTR Value 30p
SYMBOL diode 1968 2144 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL ind2 2064 1680 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 4 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 3<>
TEXT 2120 2208 Left 2 !.tran 250<35> startup
TEXT 2112 1728 Center 2 !K1 L1 L2 L3 1.
TEXT 2224 2248 Top 1 ;This example schematic is supplied for informational/educational purposes only.

13
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[Transient Analysis]
{
Npanes: 1
{
traces: 1 {524290,0,"V(out)"}
X: ('<EFBFBD>',0,0,3e-005,0.00025)
Y[0]: (' ',1,-2.5,0.5,2.5)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,0,-2.5,0.5,2.5)
Log: 0 0 0
GridStyle: 1
}
}

78
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Version 4
SHEET 1 880 696
WIRE 32 160 -96 160
WIRE 144 160 112 160
WIRE 192 160 144 160
WIRE 304 160 272 160
WIRE -96 176 -96 160
WIRE 144 256 144 160
WIRE 160 256 144 256
WIRE -96 272 -96 256
WIRE 304 272 304 160
WIRE 304 272 224 272
WIRE 160 288 144 288
WIRE -304 336 -304 320
WIRE -176 336 -176 320
WIRE 16 368 -16 368
WIRE 144 368 144 288
WIRE 144 368 96 368
WIRE 192 368 144 368
WIRE 304 368 304 272
WIRE 304 368 272 368
WIRE 144 416 144 368
WIRE 544 416 144 416
WIRE 656 416 624 416
WIRE -304 432 -304 416
WIRE -176 432 -176 416
FLAG -176 432 0
FLAG -304 432 0
FLAG 192 240 +V
FLAG -304 320 +V
FLAG -176 320 -V
FLAG 192 304 -V
FLAG -96 272 0
FLAG -96 160 IN
FLAG -16 368 0
FLAG 656 416 0
SYMBOL voltage -304 320 R0
SYMATTR InstName V1
SYMATTR Value +15
SYMBOL voltage -176 320 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL res 288 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL res 128 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL voltage -96 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 1 1K)
SYMBOL res 288 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL res 112 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1K
SYMBOL res 528 432 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName Rload
SYMATTR Value {x}
SYMBOL opamps\\LT1001 192 208 R0
SYMATTR InstName U2
TEXT 344 472 Left 2 !.tran 3m
TEXT 344 504 Left 2 !.step param X list 1 10 100 1K
TEXT 400 416 Bottom 2 ;Iout = V(in)/1K
TEXT 128 528 Top 1 ;This example schematic is supplied for informational/educational purposes only.

13
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[Transient Analysis]
{
Npanes: 1
{
traces: 1 {303038467,0,"I(Rload)"}
X: ('m',1,0,0.0003,0.003)
Y[0]: ('m',1,-0.001,0.0002,0.001)
Y[1]: ('m',1,1e+308,0.0002,-1e+308)
Amps: ('m',0,0,1,-0.001,0.0002,0.001)
Log: 0 0 0
GridStyle: 1
}
}

24
examples/Educational/IGBT.asc Normal file
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Version 4
SHEET 1 880 680
WIRE 416 144 272 144
WIRE 272 160 272 144
WIRE 416 160 416 144
WIRE 224 240 128 240
WIRE 128 256 128 240
WIRE 272 272 272 256
WIRE 416 272 416 240
WIRE 128 352 128 336
FLAG 416 272 0
FLAG 272 272 0
FLAG 128 352 0
SYMBOL misc\\nigbt 224 160 R0
SYMATTR InstName Z1
SYMATTR Prefix Z
SYMBOL voltage 416 144 R0
SYMATTR InstName V1
SYMATTR Value 0
SYMBOL voltage 128 240 R0
SYMATTR InstName V2
SYMATTR Value 0
TEXT 216 336 Left 2 !.model NIGBT NIGBT
TEXT 192 392 Left 2 !.dc V1 0 25 1m V2 0 20 5

16
examples/Educational/ISO16750-2_example.asc Normal file
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Version 4
SHEET 1 904 680
WIRE 128 -64 128 -96
WIRE 544 -64 544 -96
WIRE 128 48 128 16
WIRE 544 48 544 16
FLAG 128 48 0
FLAG 544 48 0
SYMBOL ISO16750-2 128 -64 R0
SYMATTR InstName U1
SYMBOL ISO16750-2 544 -64 R0
SYMATTR InstName U2
SYMATTR SpiceModel 4-6-3_24V_StartingProfile
TEXT 408 144 Left 2 !.tran 0 20 0 1m
TEXT 128 -192 Left 2 ;For documentation see:\n LTspice Models of ISO 7637-2 & ISO 16750-2 Transients\n http://www.linear.com/solutions/7719
TEXT 128 -240 Left 4 ;ISO 16750-2 Transients

16
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Version 4
SHEET 1 1544 680
WIRE 80 -64 80 -96
WIRE 368 -64 368 -96
WIRE 80 48 80 16
WIRE 368 48 368 16
FLAG 80 48 0
FLAG 368 48 0
SYMBOL ISO7637-2 368 -64 R0
SYMATTR InstName U2
SYMATTR SpiceModel Pulse1_24V
SYMBOL ISO7637-2 80 -64 R0
SYMATTR InstName U1
TEXT 144 144 Left 2 !.tran 0 10 0 1m
TEXT 24 -216 Left 2 ;For documentation see:\n LTspice Models of ISO 7637-2 & ISO 16750-2 Transients\n http://www.linear.com/solutions/7719
TEXT 24 -256 Left 4 ;ISO 7637-2 Transients

78
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Version 4
SHEET 1 932 680
WIRE 160 0 112 0
WIRE 544 0 448 0
WIRE 160 16 160 0
WIRE 448 16 448 0
WIRE 304 32 208 32
WIRE 400 32 304 32
WIRE 304 128 304 32
WIRE 304 128 208 128
WIRE 400 128 304 128
WIRE 208 160 208 128
WIRE 304 160 304 128
WIRE 400 160 400 128
WIRE -176 176 -336 176
WIRE 160 176 160 96
WIRE 160 176 -96 176
WIRE 448 176 448 96
WIRE 720 176 448 176
WIRE -336 192 -336 176
WIRE 720 192 720 176
WIRE 112 224 112 0
WIRE 112 224 0 224
WIRE 160 224 112 224
WIRE 544 224 544 0
WIRE 544 224 448 224
WIRE 624 224 544 224
WIRE 208 256 208 240
WIRE 304 256 304 240
WIRE 400 256 400 240
WIRE -336 288 -336 272
WIRE 720 288 720 272
FLAG -336 288 0
FLAG 400 256 0
FLAG 208 256 0
FLAG 208 80 0
FLAG 400 80 0
FLAG 304 256 0
FLAG 0 224 0
FLAG 624 224 0
FLAG 720 288 0
SYMBOL voltage -336 176 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 1 0 10n 10n 5u 10u)
SYMBOL res -80 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL g 208 144 R0
SYMATTR InstName G1
SYMATTR Value 1
SYMBOL g 400 144 M0
WINDOW 0 -10 9 Right 2
WINDOW 3 -15 96 Right 2
SYMATTR InstName G2
SYMATTR Value {1/N}
SYMBOL g 160 0 M0
WINDOW 0 -10 10 Right 2
WINDOW 3 -16 104 Right 2
SYMATTR InstName G3
SYMATTR Value 1
SYMBOL g 448 0 R0
WINDOW 0 13 18 Left 2
WINDOW 3 12 101 Left 2
SYMATTR InstName G4
SYMATTR Value {1/N}
SYMBOL res 288 144 R0
SYMATTR InstName R2
SYMATTR Value 1G
SYMBOL res 704 176 R0
SYMATTR InstName R3
SYMATTR Value 100
TEXT 528 336 Left 2 !.tran 100u
TEXT 240 368 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT 312 -24 Bottom 2 ;A ideal transformer with two windings.\nWinding ratio specified with parameter N
TEXT 192 296 Left 2 !.param N=10 ; turns ratio
RECTANGLE Normal 576 312 48 -96 2

429
examples/Educational/LM308.asc Normal file
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Version 4
SHEET 1 3640 2276
WIRE 2448 512 1296 512
WIRE 3632 512 2528 512
WIRE 2144 560 1984 560
WIRE 2384 560 2208 560
WIRE 1984 624 1984 560
WIRE 2384 624 2384 560
WIRE 1888 688 1584 688
WIRE 2096 688 1888 688
WIRE 2256 688 2096 688
WIRE 2544 688 2256 688
WIRE 2736 688 2544 688
WIRE 3328 688 2736 688
WIRE 3472 688 3328 688
WIRE 3536 688 3472 688
WIRE 2544 704 2544 688
WIRE 2544 704 2496 704
WIRE 2624 704 2544 704
WIRE 3536 704 3536 688
WIRE 2496 720 2496 704
WIRE 2624 720 2624 704
WIRE 1888 736 1888 688
WIRE 2096 736 2096 688
WIRE 2256 736 2256 688
WIRE 1584 768 1584 688
WIRE 2432 768 2352 768
WIRE 2560 768 2432 768
WIRE 3536 800 3536 784
WIRE 2624 832 2624 816
WIRE 2832 832 2624 832
WIRE 2256 848 2256 816
WIRE 2736 848 2736 688
WIRE 3328 848 3328 688
WIRE 2096 896 2096 816
WIRE 2096 896 1776 896
WIRE 2352 896 2352 768
WIRE 2352 896 2320 896
WIRE 2496 896 2496 816
WIRE 2496 896 2352 896
WIRE 2832 896 2832 832
WIRE 2832 896 2800 896
WIRE 2912 896 2832 896
WIRE 3072 896 2992 896
WIRE 3200 896 3072 896
WIRE 3264 896 3200 896
WIRE 1584 944 1584 848
WIRE 1776 944 1776 896
WIRE 1888 944 1888 816
WIRE 2096 944 2096 896
WIRE 2384 944 2384 624
WIRE 3072 960 3072 896
WIRE 3200 960 3200 896
WIRE 1680 992 1648 992
WIRE 1712 992 1680 992
WIRE 1984 992 1984 624
WIRE 1984 992 1952 992
WIRE 2032 992 1984 992
WIRE 2736 1008 2736 944
WIRE 2832 1008 2832 896
WIRE 3008 1008 2832 1008
WIRE 3328 1008 3328 944
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WIRE 3472 1008 3440 1008
WIRE 3632 1008 3632 512
WIRE 3632 1008 3472 1008
WIRE 1584 1056 1584 1040
WIRE 1680 1056 1680 992
WIRE 1680 1056 1584 1056
WIRE 1888 1056 1888 1040
WIRE 1984 1056 1984 992
WIRE 1984 1056 1888 1056
WIRE 2096 1056 2096 1040
WIRE 2384 1056 2384 1024
WIRE 2384 1056 2096 1056
WIRE 2672 1056 2384 1056
WIRE 1776 1088 1776 1040
WIRE 2080 1088 1776 1088
WIRE 2192 1088 2080 1088
WIRE 3200 1104 3200 1056
WIRE 3472 1104 3472 1008
WIRE 3472 1104 3200 1104
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WIRE 3072 1152 3072 1056
WIRE 2080 1168 2080 1088
WIRE 2384 1168 2384 1056
WIRE 1584 1184 1584 1056
WIRE 1888 1184 1888 1056
WIRE 3008 1200 2976 1200
WIRE 2192 1216 2192 1088
WIRE 2192 1216 2144 1216
WIRE 2320 1216 2192 1216
WIRE 1728 1232 1648 1232
WIRE 1824 1232 1728 1232
WIRE 3328 1264 3328 1216
WIRE 2080 1312 2080 1264
WIRE 2384 1312 2384 1264
WIRE 2384 1312 2080 1312
WIRE 2736 1312 2736 1104
WIRE 2736 1312 2384 1312
WIRE 2976 1312 2976 1200
WIRE 2976 1312 2736 1312
WIRE 3264 1312 2976 1312
WIRE 1584 1328 1584 1280
WIRE 1584 1328 1536 1328
WIRE 1728 1344 1728 1232
WIRE 2256 1344 2256 944
WIRE 2256 1344 1728 1344
WIRE 2336 1344 2256 1344
WIRE 1536 1376 1536 1328
WIRE 2256 1376 2256 1344
WIRE 2496 1376 2496 896
WIRE 2496 1376 2384 1376
WIRE 2592 1376 2496 1376
WIRE 2768 1376 2592 1376
WIRE 1168 1424 1072 1424
WIRE 1296 1424 1296 512
WIRE 1296 1424 1248 1424
WIRE 1392 1424 1296 1424
WIRE 1456 1424 1392 1424
WIRE 1472 1424 1456 1424
WIRE 2336 1424 2336 1344
WIRE 2336 1424 2320 1424
WIRE 2592 1424 2592 1376
WIRE 2896 1440 2816 1440
WIRE 2768 1472 2656 1472
WIRE 1808 1504 1600 1504
WIRE 2016 1504 1808 1504
WIRE 2256 1504 2256 1472
WIRE 2256 1504 2096 1504
WIRE 1600 1520 1600 1504
WIRE 1808 1520 1808 1504
WIRE 2768 1520 2768 1472
WIRE 1680 1568 1664 1568
WIRE 1744 1568 1728 1568
WIRE 1456 1632 1456 1424
WIRE 1600 1632 1600 1616
WIRE 1600 1632 1456 1632
WIRE 1728 1632 1728 1568
WIRE 1728 1632 1600 1632
WIRE 2976 1632 2976 1312
WIRE 1680 1648 1680 1568
WIRE 1808 1648 1808 1616
WIRE 1808 1648 1680 1648
WIRE 1888 1648 1888 1280
WIRE 2592 1680 2592 1520
WIRE 2784 1680 2592 1680
WIRE 2912 1680 2864 1680
WIRE 1168 1696 1072 1696
WIRE 1392 1696 1248 1696
WIRE 1808 1696 1808 1648
WIRE 1808 1696 1392 1696
WIRE 1824 1696 1808 1696
WIRE 1072 1744 1072 1696
WIRE 1536 1744 1536 1472
WIRE 2384 1744 2384 1376
WIRE 1888 1760 1888 1744
WIRE 2768 1792 2768 1600
WIRE 2768 1792 2448 1792
WIRE 2256 1808 2256 1504
WIRE 1536 1856 1536 1824
WIRE 1888 1856 1888 1840
WIRE 1888 1856 1536 1856
WIRE 2192 1856 1888 1856
WIRE 2976 1872 2976 1728
WIRE 1072 1888 1072 1824
WIRE 1888 1920 1888 1856
WIRE 2256 1920 2256 1904
WIRE 2896 1920 2896 1440
WIRE 2896 1920 2256 1920
WIRE 2768 1936 2768 1792
WIRE 2384 1968 2384 1840
WIRE 2384 1968 1952 1968
WIRE 2592 1984 2592 1680
WIRE 2704 1984 2592 1984
WIRE 2384 2000 2384 1968
WIRE 2592 2000 2592 1984
WIRE 1888 2112 1888 2016
WIRE 2112 2112 1888 2112
WIRE 2384 2112 2384 2080
WIRE 2384 2112 2192 2112
WIRE 2464 2112 2384 2112
WIRE 2592 2112 2592 2080
WIRE 2592 2112 2544 2112
WIRE 2768 2112 2768 2032
WIRE 2768 2112 2592 2112
WIRE 2784 2112 2768 2112
WIRE 2896 2112 2896 1920
WIRE 2896 2112 2864 2112
WIRE 2976 2112 2976 1952
WIRE 2976 2112 2896 2112
WIRE 3072 2112 3072 1248
WIRE 3072 2112 2976 2112
WIRE 3328 2112 3328 1360
WIRE 3328 2112 3072 2112
WIRE 3472 2112 3328 2112
WIRE 3536 2112 3472 2112
WIRE 3536 2128 3536 2112
WIRE 3536 2224 3536 2208
FLAG 1392 1424 2
FLAG 1392 1696 3
FLAG 1984 624 1
FLAG 2384 624 8
FLAG 3472 1008 6
FLAG 3472 688 7
FLAG 3472 2112 4
FLAG 3536 800 0
FLAG 3536 2224 0
FLAG 1072 1888 0
FLAG 1072 1424 0
SYMBOL npn 1744 1520 R0
SYMATTR InstName Q1
SYMATTR Value NP
SYMBOL npn 1664 1520 M0
SYMATTR InstName Q2
SYMATTR Value NP
SYMBOL NPN3 1472 1376 R0
SYMATTR InstName Q3
SYMATTR Value SB
SYMBOL npn3 1824 1648 R0
SYMATTR InstName Q4
SYMATTR Value SB
SYMBOL npn3 1952 1920 M0
SYMATTR InstName Q5
SYMATTR Value SB
SYMBOL npn3 1648 1184 M0
SYMATTR InstName Q6
SYMATTR Value SB
SYMBOL npn3 1824 1184 R0
SYMATTR InstName Q7
SYMATTR Value SB
SYMBOL res 1872 1744 R0
SYMATTR InstName R1
SYMATTR Value 2K
SYMBOL res 1872 720 R0
SYMATTR InstName R3
SYMATTR Value 20K
SYMBOL pnp 1712 1040 M180
WINDOW 0 64 76 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q8
SYMATTR Value PN
SYMBOL pnp 1648 1040 R180
WINDOW 0 64 76 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q9
SYMATTR Value PN
SYMBOL res 2080 720 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL res 1568 752 R0
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL pnp 2032 1040 M180
WINDOW 0 64 76 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q10
SYMATTR Value PN
SYMBOL pnp 1952 1040 R180
WINDOW 0 64 76 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q11
SYMATTR Value PN
SYMBOL res 2096 2128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 6.4K
SYMBOL res 1520 1728 R0
SYMATTR InstName R7
SYMATTR Value 2K
SYMBOL res 2000 1520 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 50K
SYMBOL res 2368 1984 R0
SYMATTR InstName R9
SYMATTR Value 60K
SYMBOL npn3 2448 1744 M0
SYMATTR InstName Q12
SYMATTR Value SB
SYMBOL pnp 2192 1904 M180
WINDOW 0 64 76 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q14
SYMATTR Value PN
SYMBOL npn 2144 1168 M0
SYMATTR InstName Q15
SYMATTR Value NP
SYMBOL npn 2320 1168 R0
SYMATTR InstName Q16
SYMATTR Value NP
SYMBOL res 2240 720 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL pnp 2320 944 R180
WINDOW 0 64 76 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q17
SYMATTR Value PN
SYMBOL npn3 2320 1376 M0
SYMATTR InstName Q18
SYMATTR Value SB
SYMBOL res 2368 928 R0
SYMATTR InstName R10
SYMATTR Value 5.6K
SYMBOL cap 2208 544 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL npn3 2656 1424 M0
SYMATTR InstName Q13
SYMATTR Value SB
SYMBOL res 2752 1504 R0
SYMATTR InstName R11
SYMATTR Value 940
SYMBOL res 2448 2128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R12
SYMATTR Value 500
SYMBOL res 2576 1984 R0
SYMATTR InstName R13
SYMATTR Value 20K
SYMBOL npn 2704 1936 R0
SYMATTR InstName Q19
SYMATTR Value NP
SYMBOL NJF 2816 1376 M0
SYMATTR InstName J1
SYMATTR Value NJ
SYMBOL res 2768 2128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R14
SYMATTR Value 1K
SYMBOL res 2880 1664 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R15
SYMATTR Value 20K
SYMBOL pnp 2432 816 M180
WINDOW 0 64 76 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q20
SYMATTR Value PN
SYMBOL pnp 2560 816 M180
WINDOW 0 64 76 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q21
SYMATTR Value PN
SYMBOL npn3 2800 848 M0
SYMATTR InstName Q22
SYMATTR Value SB
SYMBOL npn 2672 1008 R0
SYMATTR InstName Q23
SYMATTR Value NP
SYMBOL res 2896 912 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R16
SYMATTR Value 2K
SYMBOL npn3 3008 960 R0
SYMATTR InstName Q24
SYMATTR Value SB
SYMBOL pnp 3008 1248 M180
WINDOW 0 64 76 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q25
SYMATTR Value PN
SYMBOL npn3 3264 960 M0
SYMATTR InstName Q26
SYMATTR Value SB
SYMBOL npn3 3264 848 R0
SYMATTR InstName Q27
SYMATTR Value SB
SYMBOL pnp 3264 1360 M180
WINDOW 0 64 76 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q28
SYMATTR Value PN
SYMBOL res 3312 1120 R0
SYMATTR InstName R17
SYMATTR Value 240
SYMBOL res 3344 1024 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R18
SYMATTR Value 90
SYMBOL npn3 2912 1632 R0
SYMATTR InstName Q29
SYMATTR Value SB
SYMBOL voltage 3536 688 R0
SYMATTR InstName V1
SYMATTR Value +15
SYMBOL voltage 3536 2112 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL res 2960 1856 R0
SYMATTR InstName R19
SYMATTR Value 820
SYMBOL res 2544 496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R20
SYMATTR Value 10K
SYMBOL res 1264 1408 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 1K
SYMBOL res 1264 1680 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 1K
SYMBOL voltage 1072 1728 R0
SYMATTR InstName V3
SYMATTR Value SINE(0 1.2 1K)
TEXT 1336 1424 Bottom 2 ;IN-
TEXT 1336 1696 Bottom 2 ;IN+
TEXT 3400 1560 Left 2 !.tran 10m startup
TEXT 1048 2000 Left 2 !.model NJ NJF\n.model NP NPN(BF=125 Cje=.5p Cjc=.5p Rb=500)\n.model PN LPNP(BF=25 Cje=.3p Cjc=1.5p Rb=250)\n.model SB NPN(BF=5000 Cje=1p Cjc=1p Rb=500)
TEXT 2352 2176 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT 3520 1008 Bottom 2 ;OUT
TEXT 3520 688 Bottom 2 ;V+
TEXT 3512 2112 Bottom 2 ;V-

13
examples/Educational/LM308.plt Normal file
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[Transient Analysis]
{
Npanes: 1
{
traces: 1 {524290,0,"V(6)"}
X: ('m',0,0,0.001,0.01)
Y[0]: (' ',0,-15,3,15)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,0,-15,3,15)
Log: 0 0 0
GridStyle: 1
}
}

289
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Version 4
SHEET 1 3268 1552
WIRE 2416 384 1744 384
WIRE 3264 384 2496 384
WIRE 1856 464 1616 464
WIRE 2032 464 1856 464
WIRE 2096 464 2032 464
WIRE 2288 464 2096 464
WIRE 2448 464 2288 464
WIRE 2816 464 2448 464
WIRE 3040 464 2816 464
WIRE 1616 480 1616 464
WIRE 2096 496 2096 464
WIRE 2288 496 2288 464
WIRE 2448 496 2448 464
WIRE 2816 496 2816 464
WIRE 2176 544 2160 544
WIRE 2224 544 2176 544
WIRE 2528 544 2512 544
WIRE 2752 544 2528 544
WIRE 1616 576 1616 560
WIRE 3040 576 3040 464
WIRE 2448 624 2448 592
WIRE 2528 624 2528 544
WIRE 2528 624 2448 624
WIRE 2816 624 2816 592
WIRE 2816 624 2560 624
WIRE 2928 624 2816 624
WIRE 2976 624 2928 624
WIRE 1616 656 1568 656
WIRE 1744 656 1744 384
WIRE 1744 656 1696 656
WIRE 1856 656 1744 656
WIRE 2256 656 1856 656
WIRE 2928 672 2928 624
WIRE 2096 688 2096 592
WIRE 2096 688 1936 688
WIRE 2176 688 2176 544
WIRE 2176 688 2096 688
WIRE 2704 688 2688 688
WIRE 2816 688 2816 624
WIRE 2816 688 2784 688
WIRE 2816 720 2816 688
WIRE 3040 720 3040 672
WIRE 3040 720 2992 720
WIRE 1936 736 1936 688
WIRE 2176 736 2176 688
WIRE 2448 736 2448 624
WIRE 3040 752 3040 720
WIRE 2688 768 2688 688
WIRE 2752 768 2688 768
WIRE 1632 784 1536 784
WIRE 1856 784 1712 784
WIRE 1872 784 1856 784
WIRE 2256 784 2256 656
WIRE 2256 784 2240 784
WIRE 2560 816 2560 624
WIRE 1536 832 1536 784
WIRE 2688 832 2688 768
WIRE 2704 832 2688 832
WIRE 2816 832 2816 816
WIRE 2816 832 2784 832
WIRE 1936 864 1936 832
WIRE 2176 864 2176 832
WIRE 2928 864 2928 768
WIRE 3040 864 3040 832
WIRE 3040 864 2928 864
WIRE 3136 864 3040 864
WIRE 3264 864 3264 384
WIRE 3264 864 3136 864
WIRE 3040 880 3040 864
WIRE 2112 912 2000 912
WIRE 2288 912 2288 592
WIRE 2288 912 2112 912
WIRE 2816 912 2816 832
WIRE 2816 912 2672 912
WIRE 2672 928 2672 912
WIRE 1536 960 1536 912
WIRE 2032 960 2032 464
WIRE 2176 976 2176 960
WIRE 2560 976 2560 880
WIRE 2560 976 2176 976
WIRE 2608 976 2560 976
WIRE 3040 976 3040 960
WIRE 1936 1008 1936 960
WIRE 1968 1008 1936 1008
WIRE 2816 1024 2816 912
WIRE 2976 1024 2816 1024
WIRE 2816 1056 2816 1024
WIRE 1936 1088 1936 1008
WIRE 2176 1088 2176 976
WIRE 2448 1088 2448 816
WIRE 2448 1088 2368 1088
WIRE 2672 1104 2672 1024
WIRE 2752 1104 2672 1104
WIRE 2288 1120 2288 912
WIRE 2448 1120 2448 1088
WIRE 2032 1136 2032 1056
WIRE 2032 1136 2000 1136
WIRE 2112 1136 2032 1136
WIRE 2560 1136 2560 976
WIRE 2368 1168 2368 1088
WIRE 2368 1168 2352 1168
WIRE 2384 1168 2368 1168
WIRE 2816 1184 2816 1152
WIRE 2816 1184 2624 1184
WIRE 1936 1216 1936 1184
WIRE 2032 1216 2032 1136
WIRE 2176 1216 2176 1184
WIRE 2672 1216 2672 1104
WIRE 2816 1216 2816 1184
WIRE 2288 1232 2288 1216
WIRE 1856 1328 1712 1328
WIRE 1936 1328 1936 1296
WIRE 1936 1328 1856 1328
WIRE 2032 1328 2032 1296
WIRE 2032 1328 1936 1328
WIRE 2176 1328 2176 1296
WIRE 2176 1328 2032 1328
WIRE 2288 1328 2288 1312
WIRE 2288 1328 2176 1328
WIRE 2448 1328 2448 1216
WIRE 2448 1328 2288 1328
WIRE 2560 1328 2560 1232
WIRE 2560 1328 2448 1328
WIRE 2672 1328 2672 1296
WIRE 2672 1328 2560 1328
WIRE 2816 1328 2816 1296
WIRE 2816 1328 2672 1328
WIRE 3040 1328 3040 1072
WIRE 3040 1328 2816 1328
WIRE 1712 1344 1712 1328
WIRE 1712 1440 1712 1424
FLAG 1856 784 3
FLAG 1856 656 2
FLAG 1712 1440 0
FLAG 3136 864 6
FLAG 1616 576 0
FLAG 1568 656 0
FLAG 1536 960 0
FLAG 1856 464 7
FLAG 1856 1328 4
SYMBOL NPN 1872 736 R0
SYMATTR InstName Q1
SYMATTR Value NP
SYMBOL npn 2240 736 M0
SYMATTR InstName Q2
SYMATTR Value NP
SYMBOL PNP 2112 960 M180
WINDOW 0 60 72 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q5
SYMATTR Value PN
SYMBOL pnp 2000 960 R180
WINDOW 0 60 72 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q6
SYMATTR Value PN
SYMBOL npn 2000 1088 M0
SYMATTR InstName Q7
SYMATTR Value NP
SYMBOL npn 2112 1088 R0
SYMATTR InstName Q8
SYMATTR Value NP
SYMBOL npn 1968 960 R0
SYMATTR InstName Q3
SYMATTR Value NP
SYMBOL pnp 2160 592 R180
WINDOW 0 60 72 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q4
SYMATTR Value PN
SYMBOL RES 1920 1200 R0
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL res 2016 1200 R0
SYMATTR InstName R2
SYMATTR Value 50K
SYMBOL res 2160 1200 R0
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL pnp 2224 592 M180
WINDOW 0 60 72 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q9
SYMATTR Value PN
SYMBOL pnp 2512 592 R180
WINDOW 0 60 72 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q10
SYMATTR Value PN
SYMBOL pnp 2752 592 M180
WINDOW 0 60 72 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q11
SYMATTR Value PN
SYMBOL npn 2384 1120 R0
WINDOW 0 56 20 Left 2
SYMATTR InstName Q12
SYMATTR Value NP
SYMBOL npn 2352 1120 M0
SYMATTR InstName Q13
SYMATTR Value NP
SYMBOL res 2272 1216 R0
SYMATTR InstName R4
SYMATTR Value 5K
SYMBOL npn 2752 720 R0
SYMATTR InstName Q14
SYMATTR Value NP
SYMBOL npn 2752 1056 R0
SYMATTR InstName Q15
SYMATTR Value NP
SYMBOL npn 2608 928 R0
SYMATTR InstName Q16
SYMATTR Value NP
SYMBOL res 2656 1200 R0
SYMATTR InstName R5
SYMATTR Value 50K
SYMBOL res 2800 1200 R0
SYMATTR InstName R6
SYMATTR Value 50
SYMBOL npn 2624 1136 M0
SYMATTR InstName Q17
SYMATTR Value NP
SYMBOL cap 2544 816 R0
SYMATTR InstName C1
SYMATTR Value 30p
SYMBOL res 2800 816 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 7.5K
SYMBOL res 2800 672 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 4.5K
SYMBOL npn 2976 576 R0
SYMATTR InstName Q18
SYMATTR Value NP
SYMBOL pnp 2976 1072 M180
WINDOW 0 60 72 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q19
SYMATTR Value PN
SYMBOL res 3024 736 R0
SYMATTR InstName R9
SYMATTR Value 25
SYMBOL res 3024 864 R0
SYMATTR InstName R10
SYMATTR Value 50
SYMBOL npn 2992 672 M0
SYMATTR InstName Q20
SYMATTR Value NP
SYMBOL VOLTAGE 1712 1328 R0
SYMATTR InstName V1
SYMATTR Value -15
SYMBOL voltage 1616 464 R0
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL res 2512 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 10K
SYMBOL res 1712 640 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 1K
SYMBOL voltage 1536 816 R0
SYMATTR InstName V3
SYMATTR Value SINE(0 1 1K)
SYMBOL res 2432 720 R0
SYMATTR InstName R13
SYMATTR Value 39K
SYMBOL res 1728 768 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 10K
TEXT 1768 768 Left 2 ;IN+
TEXT 1776 640 Left 2 ;IN-
TEXT 3168 848 Left 2 ;OUT
TEXT 2832 1376 Left 2 !.tran 10m
TEXT 2344 1432 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT 1784 1312 Left 2 ;V-
TEXT 1784 416 Left 2 ;V+
TEXT 1896 1360 Left 2 !.model NP NPN(BF=125 Cje=.5p Cjc=.5p Rb=500)\n.model PN LPNP(BF=25 Cje=.3p Cjc=1.5p Rb=250)

13
examples/Educational/LM741.plt Normal file
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[Transient Analysis]
{
Npanes: 1
{
traces: 1 {524290,0,"V(6)"}
X: ('m',0,0,0.001,0.01)
Y[0]: (' ',0,-12,2,12)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,0,-12,2,12)
Log: 0 0 0
GridStyle: 1
}
}

305
examples/Educational/LM78XX.asc Normal file
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Version 4
SHEET 1 2980 1688
WIRE 928 320 448 320
WIRE 1120 320 928 320
WIRE 1504 320 1120 320
WIRE 1824 320 1504 320
WIRE 1936 320 1824 320
WIRE 448 336 448 320
WIRE 928 336 928 320
WIRE 928 336 816 336
WIRE 1040 336 928 336
WIRE 816 352 816 336
WIRE 928 352 928 336
WIRE 1040 352 1040 336
WIRE 1504 352 1504 320
WIRE 752 400 736 400
WIRE 864 400 752 400
WIRE 976 400 864 400
WIRE 1824 416 1824 320
WIRE 448 432 448 416
WIRE 1040 464 1040 448
WIRE 1280 464 1040 464
WIRE 1696 464 1280 464
WIRE 1760 464 1696 464
WIRE 736 496 736 400
WIRE 816 496 816 448
WIRE 816 496 736 496
WIRE 1120 496 1120 320
WIRE 1696 496 1696 464
WIRE 1936 496 1936 320
WIRE 1504 512 1504 432
WIRE 928 544 928 448
WIRE 976 544 928 544
WIRE 1056 544 976 544
WIRE 1824 544 1824 512
WIRE 1872 544 1824 544
WIRE 1824 560 1824 544
WIRE 1280 592 1280 464
WIRE 1392 592 1280 592
WIRE 1120 608 1120 592
WIRE 1392 608 1392 592
WIRE 976 656 976 544
WIRE 1280 656 1280 592
WIRE 1504 656 1504 576
WIRE 1504 656 1456 656
WIRE 1584 656 1504 656
WIRE 1824 656 1824 640
WIRE 1824 656 1664 656
WIRE 1936 656 1936 592
WIRE 1936 656 1824 656
WIRE 1936 672 1936 656
WIRE 1120 704 1120 688
WIRE 1216 704 1120 704
WIRE 1120 720 1120 704
WIRE 1392 768 1392 704
WIRE 1936 768 1936 752
WIRE 1936 768 1392 768
WIRE 2144 768 1936 768
WIRE 2256 768 2144 768
WIRE 1936 784 1936 768
WIRE 2144 784 2144 768
WIRE 2256 784 2256 768
WIRE 816 800 816 496
WIRE 816 800 688 800
WIRE 976 816 976 720
WIRE 1120 816 1120 800
WIRE 1120 816 976 816
WIRE 1280 816 1280 752
WIRE 1280 816 1120 816
WIRE 688 832 688 800
WIRE 816 832 816 800
WIRE 1392 832 1392 768
WIRE 1456 880 880 880
WIRE 1936 880 1936 864
WIRE 1936 880 1456 880
WIRE 2144 880 2144 848
WIRE 2256 880 2256 864
WIRE 1392 944 1392 928
WIRE 1392 944 1248 944
WIRE 688 960 688 912
WIRE 816 960 816 928
WIRE 816 960 688 960
WIRE 960 960 816 960
WIRE 1392 960 1392 944
WIRE 1696 960 1696 576
WIRE 1824 960 1696 960
WIRE 960 976 960 960
WIRE 1696 976 1696 960
WIRE 816 1024 816 960
WIRE 1824 1024 1824 960
WIRE 960 1072 960 1056
WIRE 960 1072 880 1072
WIRE 1392 1072 1392 1040
WIRE 1424 1072 1392 1072
WIRE 1552 1072 1488 1072
WIRE 1696 1072 1696 1056
WIRE 1696 1072 1552 1072
WIRE 1760 1072 1696 1072
WIRE 1552 1088 1552 1072
WIRE 960 1104 960 1072
WIRE 1392 1136 1392 1072
WIRE 1488 1136 1392 1136
WIRE 1248 1152 1248 944
WIRE 1696 1152 1696 1072
WIRE 960 1200 960 1184
WIRE 1184 1200 960 1200
WIRE 1552 1200 1552 1184
WIRE 1632 1200 1552 1200
WIRE 960 1216 960 1200
WIRE 1552 1216 1552 1200
WIRE 1392 1232 1392 1136
WIRE 816 1264 816 1120
WIRE 896 1264 816 1264
WIRE 1936 1264 1936 880
WIRE 1248 1280 1248 1248
WIRE 1328 1280 1248 1280
WIRE 1248 1312 1248 1280
WIRE 1552 1312 1552 1296
WIRE 1632 1312 1552 1312
WIRE 816 1328 816 1264
WIRE 1552 1328 1552 1312
WIRE 1392 1344 1392 1328
WIRE 1632 1376 1632 1312
WIRE 1632 1376 1616 1376
WIRE 816 1440 816 1408
WIRE 960 1440 960 1312
WIRE 960 1440 816 1440
WIRE 1120 1440 1120 816
WIRE 1120 1440 960 1440
WIRE 1248 1440 1248 1392
WIRE 1248 1440 1120 1440
WIRE 1392 1440 1392 1424
WIRE 1392 1440 1248 1440
WIRE 1552 1440 1552 1424
WIRE 1552 1440 1392 1440
WIRE 1696 1440 1696 1248
WIRE 1696 1440 1552 1440
WIRE 1824 1440 1824 1120
WIRE 1824 1440 1696 1440
WIRE 1936 1440 1936 1344
WIRE 1936 1440 1824 1440
WIRE 1936 1456 1936 1440
FLAG 1936 1456 0
FLAG 2256 768 OUT
FLAG 448 320 IN
FLAG 448 432 0
FLAG 2256 880 0
FLAG 2144 880 0
SYMBOL NPN 1872 496 R0
SYMATTR InstName Q1
SYMATTR Value NP
SYMBOL npn 1760 416 R0
SYMATTR InstName Q2
SYMATTR Value NP
SYMBOL RES 1920 656 R0
SYMATTR InstName R1
SYMATTR Value .3
SYMBOL res 1808 544 R0
SYMATTR InstName R2
SYMATTR Value 2K
SYMBOL res 1920 768 R0
SYMATTR InstName R3
SYMATTR Value {Rx}
SYMBOL res 1920 1248 R0
SYMATTR InstName R4
SYMATTR Value 2.6K
SYMBOL npn 1632 1152 R0
SYMATTR InstName Q3
SYMATTR Value NP
SYMBOL PNP 752 448 M180
WINDOW 0 60 72 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q4
SYMATTR Value PN
SYMBOL res 1680 960 R0
SYMATTR InstName R5
SYMATTR Value 4K
SYMBOL res 1680 480 R0
SYMATTR InstName R6
SYMATTR Value 1K
SYMBOL npn 1616 1328 M0
SYMATTR InstName Q5
SYMATTR Value NP
SYMBOL res 1536 1200 R0
SYMATTR InstName R7
SYMATTR Value 4K
SYMBOL npn 1488 1088 R0
SYMATTR InstName Q6
SYMATTR Value NP
SYMBOL cap 1488 1056 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 20p
SYMBOL npn 1328 1232 R0
SYMATTR InstName Q7
SYMATTR Value NP
SYMBOL res 1376 1328 R0
SYMATTR InstName R8
SYMATTR Value 1K
SYMBOL res 1376 944 R0
SYMATTR InstName R9
SYMATTR Value 17K
SYMBOL npn 1456 832 M0
WINDOW 0 35 -3 Right 2
WINDOW 3 35 95 Right 2
SYMATTR InstName Q8
SYMATTR Value NP
SYMBOL npn 1456 608 M0
WINDOW 0 49 -3 Right 2
WINDOW 3 35 99 Right 2
SYMATTR InstName Q9
SYMATTR Value NP
SYMBOL npn 1216 656 R0
SYMATTR InstName Q10
SYMATTR Value NP
SYMBOL npn 1184 1152 R0
SYMATTR InstName Q11
SYMATTR Value NP
SYMBOL res 1232 1296 R0
SYMATTR InstName R10
SYMATTR Value 12.1K
SYMBOL res 1104 704 R0
SYMATTR InstName R11
SYMATTR Value 200
SYMBOL res 1104 592 R0
SYMATTR InstName R12
SYMATTR Value 3.4K
SYMBOL npn 896 1216 R0
SYMATTR InstName Q12
SYMATTR Value NP
SYMBOL res 944 1088 R0
SYMATTR InstName R13
SYMATTR Value 26
SYMBOL res 944 960 R0
SYMATTR InstName R14
SYMATTR Value 1.9K
SYMBOL npn 880 1024 M0
WINDOW 0 46 -7 Right 2
WINDOW 3 33 104 Right 2
SYMATTR InstName Q13
SYMATTR Value NP
SYMBOL res 800 1312 R0
SYMATTR InstName R15
SYMATTR Value 1.2K
SYMBOL npn 880 832 M0
WINDOW 0 51 -11 Right 2
WINDOW 3 31 99 Right 2
SYMATTR InstName Q14
SYMATTR Value NP
SYMBOL res 672 816 R0
SYMATTR InstName R16
SYMATTR Value 30K
SYMBOL npn 1056 496 R0
SYMATTR InstName Q15
SYMATTR Value NP
SYMBOL zener 960 720 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 6.3V
SYMBOL res 1680 640 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R17
SYMATTR Value 230
SYMBOL zener 1488 576 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value DZ
SYMBOL res 1488 336 R0
SYMATTR InstName R18
SYMATTR Value 10K
SYMBOL pnp 864 448 M180
WINDOW 0 60 72 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q16
SYMATTR Value PN
SYMBOL pnp 976 448 M180
WINDOW 0 60 72 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q17
SYMATTR Value PN
SYMBOL cap 2128 784 R0
SYMATTR InstName C2
SYMATTR Value 1<>
SYMBOL res 2240 768 R0
SYMATTR InstName Rload
SYMATTR Value 8
SYMBOL VOLTAGE 448 320 R0
SYMATTR InstName V1
SYMATTR Value PWL(0 0 10m 35)
SYMBOL pnp 1760 1120 M180
WINDOW 0 60 72 Left 2
WINDOW 3 64 20 Left 2
SYMATTR InstName Q18
SYMATTR Value PN
TEXT 496 1416 Left 2 !.model 6.3V D(BV=6.3)\n.model DZ D(BV=3.5)\n.model NP NPN(BF=125 Cje=.5p Cjc=.5p Rb=500)\n.model PN LPNP(BF=25 Cje=.3p Cjc=1.5p Rb=250)
TEXT 2048 1064 Left 2 !.tran 10m
TEXT 2040 1160 Left 2 !;.param Rx 905 ; 5V
TEXT 2040 1192 Left 2 !;.param Rx 5.78K ; 12V
TEXT 2040 1224 Left 2 !;.param Rx 7.87K ; 15V
TEXT 1480 1504 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT 2040 1112 Left 2 !.step param Rx list 905 5.78K 7.87K

13
examples/Educational/LM78XX.plt Normal file
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@@ -0,0 +1,13 @@
[Transient Analysis]
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197
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WINDOW 3 32 56 VTop 2
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SYMBOL opamps\\UniversalOpamp2 -96 1456 R0
SYMATTR InstName U1
SYMATTR SpiceModel level.1
TEXT 136 1376 Left 2 !.param Vb = Vas / ((Qtc/Qts) * (Qtc/Qts) - 1.)\n.param Fc = Fs * sqrt(( Vas/Vb) + 1.) \n.param Lspk = 1\n.param Cspk = 1. / (39.47842 * Fc * Fc * Lspk)\n.param Rspk = 6.2831853 * Fc / Qtc
TEXT 136 1152 Left 2 !.param Fs =95\n.param Qts=0.472\n.param Vas=0.04481
TEXT 440 2008 Left 2 !.ac oct 10 10 10K
TEXT -1248 1368 Left 2 !.param k = (Fc0/Fcx-Qt0/Qtx)/(Qt0/Qtx-Fcx/Fc0)\n.param R1 = (1/(2*pi*Fc0*C2*(2*Qt0*(1+k))))\n.param R2 = 2*k*R1\n.param R3 = R1*(Fc0/Fcx)**2\n.param C1 = C2*(2*Qt0*(1+k))**2\n.param C3 = C1*(Fcx/Fc0)**2\n;.param gain=40*Log10(Fc0/Fcx) ; FYI
TEXT -576 1096 Top 2 ;Linkwitz-Riley Transform: equalize a driver in a sealed box to a different Q and cutoff frequency
TEXT 416 1096 Top 2 ;Driver Characteristics
TEXT 408 1264 Top 2 ;Sealed Box
TEXT 440 1912 Center 2 ;Plot V(eq) to see Linkwitz transfer function\nPlot V(out)/V(eq) to see speaker transfer function\nPlot V(out) for net transfer function
TEXT 432 1672 Top 2 ;Voltage to Sound Pressure Level Equiv. Circuit
TEXT -184 1992 Top 2 ;This example schematic is supplied for informational/educational purposes only.
TEXT -224 1080 Bottom 2 ;This is the theory of the PA system used in the 2015 World Circuit Seminar\nTour except (i) the electronics I traveled with include baffle step\ncompensation (ii) the microphone aperture was adjusted to add\n4dB @ 16kHz to enhance sibilance and (iii) the drivers were a vertical array.
TEXT -472 1880 Center 2 ;These voltage sources read\nout the component values to\nimplement the equalizer
TEXT 560 1552 Center 2 ;Sealed box\nvolume in same\nunits as Vas
TEXT -592 1168 Center 2 ;Input Parameters
TEXT 168 1320 Left 2 !.param Qtc = 0.7071
TEXT 536 1320 Center 2 ;Input parameter
TEXT 544 1152 Center 2 ;Input parameters appropriate\nfor the Fountek FR88EX\n 3" Full Range Al cone
TEXT -1256 1152 Left 2 !.param C2=.047u\n.param Fc0 = Fc ; Fc untransformed\n.param Qt0 = Qtc ; Qtc untransformed\n.param Fcx = 80 ; Fc transformed(chosen on spectral analysis of my voice)\n.param Qtx = 0.7071 ; Qtc transformed
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RECTANGLE Normal 736 1248 128 1088 2
RECTANGLE Normal 752 1888 128 1264 2
RECTANGLE Normal -336 1288 -1264 1128 2

24
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[AC Analysis]
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{
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PltPhi: 1 0
}
}

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Version 4
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TEXT -376 672 Left 2 !.ac dec 30 .1 100Meg
TEXT 272 -40 Left 2 ;Elements added to \ncompute current gain\nGi=I(V3)/I(V4)
TEXT 288 416 Left 2 ;Element added to \ncompute voltage gain\nGv=-V(x)/V(y)
TEXT -456 -272 Left 2 ;Here the open loop gain is determined from the closed loop system[1].\nThe voltage gain and current gain are independently measured in\ntwo circuits identical except for the elements inserted into\nthe loop to make the measurements. Then the open loop gain\ncan be plotted by plotting the quantity:\n \n((I(V3)/I(V4))*(-V(x)/V(y))-1)/((I(V3)/I(V4))+(-V(x)/V(y))+2)\n \nAlternatively, you can add the lines\n.func Gi()=I(V3)/I(V4)\n.func Gv()=-V(x)/V(y)\n.func middlebrook(x,y) = (x*y-1)/(x+y+2)\nto your plot.defs file and then plot the quantity\nmiddlebrook(Gi(),Gv())
TEXT 200 864 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT -544 808 Left 2 ;1] Middlebrook, R.D., "Measurement of Loop Gain in Feedback Systems", Int. J. Electronics, vol 38, No. 4, pp. 485-512, 1975
TEXT -368 848 Left 2 ;See the example file LoopGain2.asc for an improved technique.
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LINE Normal 274 258 524 258
LINE Normal 274 33 524 33
LINE Normal 274 258 274 33
LINE Normal 285 491 535 491
LINE Normal 285 649 535 649
LINE Normal 535 649 535 491
LINE Normal 285 649 285 491

14
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[AC Analysis]
{
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{
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97
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WINDOW 123 0 0 Left 2
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SYMATTR InstName Ii
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SYMATTR Value2 AC {u(prb)}
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WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
WINDOW 123 -32 56 VBottom 2
WINDOW 39 -32 56 VBottom 2
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SYMATTR Value2 AC {u(-prb)}
TEXT 360 416 Left 2 !.ac dec 30 .1 100Meg
TEXT -8 -344 Left 2 ;Here the open loop gain is determined from the closed loop system[1].\nThe open loop gain can be plotted by plotting the quantity:\n \n-1/(1-1/(2*(I(Vi)@1*V(x)@2-V(x)@1*I(Vi)@2)+V(x)@1+I(Vi)@2))\n \nAlternatively, you add the following line to your plot.defs file:\n.func T.et.al() -1/(1-1/(2*(I(Vi)@1*V(x)@2-V(x)@1*I(Vi)@2)+V(x)@1+I(Vi)@2))\nAnd then plot simply T.et.al()\n \nThis is an improvement over the technique shown in LoopGain.asc \nbecause it (i) accounts for reverse feedback(it doesn't even\nmatter if you reverse the direction of the probe -- you still compute\nthe same open loop response) and (ii) the inserted probe elements\nresult in a smaller, sparser circuit matrix.
TEXT 432 584 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT -8 456 Left 2 ;[1] Michael Tian, V. Visvanathan, Jeffrey Hantgan, and Kenneth Kundert,\n "Striving for Small-Signal Stability", IEEE Circuits and Devices Magazine,\n vol. 17, no. 1, pp. 31-41, January 2001.
TEXT 360 384 Left 2 !.step param prb list -1 1 ; set prb=0 to turn off probe
TEXT 456 72 Left 2 ;Probe elements added to inject\nsignals to measure the open loop\nresponse from the closed loop system
TEXT -328 560 Left 2 ;This example is based on posts contributed by Frank Wiedmann to the independent users' group at http://groups.yahoo.com/group/LTspice
RECTANGLE Normal 912 320 336 48

14
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[AC Analysis]
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{
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228
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SYMATTR InstName Q7
SYMATTR Value NP
SYMBOL res -368 672 R0
SYMATTR InstName R7
SYMATTR Value 25K
SYMBOL npn -368 624 M0
SYMATTR InstName Q8
SYMATTR Value NP
SYMBOL res -448 512 R0
SYMATTR InstName R8
SYMATTR Value 200
SYMBOL npn -592 160 R0
SYMATTR InstName Q9
SYMATTR Value NP
SYMBOL diode -752 656 R0
SYMATTR InstName D2
SYMATTR Value DD
SYMBOL res -832 560 R0
SYMATTR InstName R9
SYMATTR Value 1K
SYMBOL res -832 208 R0
SYMATTR InstName R10
SYMATTR Value 2K
SYMBOL res -832 80 R0
SYMATTR InstName R11
SYMATTR Value 2K
SYMBOL npn -752 400 M0
SYMATTR InstName Q11
SYMATTR Value NP
SYMBOL res -752 80 R0
SYMATTR InstName R12
SYMATTR Value 1K
SYMBOL res -272 128 R0
SYMATTR InstName R13
SYMATTR Value 25K
SYMBOL cap -272 832 R0
WINDOW 3 25 59 Left 2
SYMATTR Value .1<EFBFBD>
SYMATTR InstName C1
SYMBOL voltage 320 64 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL cap -672 896 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .1<EFBFBD>
SYMBOL ind -544 976 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L1
SYMATTR Value 1<>
SYMBOL cap -576 896 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 10p
SYMBOL diode -752 512 R0
SYMATTR InstName D3
SYMATTR Value DD
TEXT -168 824 Left 2 !.model DD D(Rs=20 Cjo=5p)\n.model NP NPN(Bf=150 Cjc=3p Cje=3p Rb=10)
TEXT 184 472 Left 2 !.tran 0 1.9m 0 1u startup
TEXT -464 976 Left 1 ;This example schematic is supplied for informational/educational purposes only.

22
examples/Educational/MC1648.plt Normal file
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[Transient Analysis]
{
Npanes: 2
{
traces: 1 {524290,0,"V(out)"}
X: ('m',1,0,0.0002,0.0019)
Y[0]: (' ',1,0,0.4,4.4)
Y[1]: ('m',0,1e+308,0.001,-1e+308)
Volts: (' ',0,0,1,0,0.4,4.4)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {303038467,0,"I(L1)"}
X: ('m',1,0,0.0002,0.0019)
Y[0]: ('m',0,-0.006,0.001,0.005)
Y[1]: ('m',0,1e+308,0.001,-1e+308)
Amps: ('m',0,0,1,-0.006,0.001,0.005)
Log: 0 0 0
GridStyle: 1
}
}

80
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Version 4
SHEET 1 2344 1936
WIRE 400 1152 192 1152
WIRE 576 1152 400 1152
WIRE 400 1168 400 1152
WIRE 576 1168 576 1152
WIRE 192 1184 192 1152
WIRE 400 1264 400 1248
WIRE 400 1264 272 1264
WIRE 448 1264 400 1264
WIRE 576 1264 576 1248
WIRE 272 1280 272 1264
WIRE 400 1312 400 1264
WIRE 80 1360 16 1360
WIRE 192 1360 192 1264
WIRE 192 1360 144 1360
WIRE 272 1360 272 1344
WIRE 272 1360 192 1360
WIRE 336 1360 272 1360
WIRE 16 1392 16 1360
WIRE 192 1392 192 1360
WIRE 400 1424 400 1408
WIRE 480 1424 400 1424
WIRE 400 1440 400 1424
WIRE 480 1456 480 1424
WIRE 16 1520 16 1472
WIRE 192 1520 192 1472
WIRE 400 1536 400 1520
WIRE 480 1536 480 1520
FLAG 16 1520 0
FLAG 16 1360 IN
FLAG 192 1520 0
FLAG 400 1536 0
FLAG 448 1264 OUT
FLAG 576 1264 0
FLAG 480 1536 0
SYMBOL npn 336 1312 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL res 384 1424 R0
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL voltage 16 1376 R0
WINDOW 123 24 105 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V3
SYMATTR Value ""
SYMBOL res 176 1488 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL cap 144 1344 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1<>
SYMBOL res 176 1280 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL voltage 576 1152 R0
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL cap 464 1456 R0
SYMATTR InstName C2
SYMATTR Value 20<32>
SYMBOL res 384 1152 R0
SYMATTR InstName R4
SYMATTR Value 20K
SYMBOL cap 256 1344 M180
WINDOW 0 28 52 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C3
SYMATTR Value 100p
TEXT 560 1392 Left 2 !.ac oct 10 1 10Meg
TEXT 424 1632 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT -48 1584 Left 2 !.measure tmp max mag(V(out))\n.measure BW trig mag(V(out))=tmp/sqrt(2) rise=1 targ mag(V(out))=tmp/sqrt(2) fall=last
TEXT -72 1088 Left 2 ;Example of using a .measure script to measure the 3dB bandwidth of a response.\nExecute View=>SPICE Error Log after running the simulation to see the output of the\n.measure statements.

14
examples/Educational/MeasureBW.plt Normal file
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[AC Analysis]
{
Npanes: 1
{
traces: 1 {524290,0,"V(out)"}
X: ('M',0,1,0,1e+007)
Y[0]: (' ',0,0.630957344480193,4,251.188643150958)
Y[1]: (' ',0,-320,20,-60)
Log: 1 2 0
GridStyle: 1
PltMag: 1
PltPhi: 1 0
}
}

71
examples/Educational/MonteCarlo.asc Normal file
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Version 4
SHEET 1 1516 692
WIRE -288 -496 -448 -496
WIRE -96 -496 -208 -496
WIRE -32 -496 -96 -496
WIRE 112 -496 -32 -496
WIRE 320 -496 192 -496
WIRE 544 -496 384 -496
WIRE 624 -496 544 -496
WIRE 848 -496 624 -496
WIRE -448 -480 -448 -496
WIRE -96 -480 -96 -496
WIRE -32 -480 -32 -496
WIRE 544 -480 544 -496
WIRE 624 -480 624 -496
WIRE 848 -480 848 -496
WIRE -448 -384 -448 -400
WIRE -96 -384 -96 -400
WIRE -32 -384 -32 -416
WIRE 544 -384 544 -400
WIRE 624 -384 624 -416
WIRE 848 -384 848 -400
FLAG 624 -384 0
FLAG -448 -384 0
FLAG 544 -384 0
FLAG -32 -384 0
FLAG -96 -384 0
FLAG 848 -384 0
FLAG 848 -496 OUT
FLAG -448 -496 IN
SYMBOL cap 608 -480 R0
SYMATTR InstName C1
SYMATTR Value {mc(1n, tol)}
SYMBOL voltage -448 -496 R0
SYMATTR InstName V1
SYMATTR Value AC 1
SYMBOL ind 560 -496 M0
SYMATTR InstName L1
SYMATTR Value {mc(10u, tol)}
SYMBOL cap -48 -480 R0
SYMATTR InstName C2
SYMATTR Value {mc(1n, tol)}
SYMBOL ind -80 -496 M0
SYMATTR InstName L2
SYMATTR Value {mc(10u, tol)}
SYMBOL res -192 -512 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 141
SYMBOL res 832 -384 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 141
SYMBOL ind 208 -480 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value {mc(40u, tol)}
SYMBOL cap 384 -512 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value {mc(250p, tol)}
TEXT -408 -264 Left 2 !.ac oct 100 300K 10Meg
TEXT -408 -296 Left 2 !.step param X 0 20 1 ; a dummy paramter to cycle Monte Carlo runs
TEXT -408 -328 Left 2 !.param tol=.05 ; +/- 5% component tolerance
TEXT 200 -544 Bottom 2 ;Monte Carlo Simulation in LTspice
TEXT -56 -232 Left 2 ;mc(val, tol) is a function that uses a random number generator \n to return a value between val-tol*val and val+tol*val\n \nOther functions of interest:\n \nflat(x): a function that uses a random number generator \n to return a value between -x and x;\n \ngauss(x): a function that uses a random number generator \n to return a value with a Gaussian distribution\n and sigma x.
TEXT 192 88 Top 1 ;This example schematic is supplied for informational/educational purposes only.

14
examples/Educational/MonteCarlo.plt Normal file
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[AC Analysis]
{
Npanes: 1
{
traces: 1 {524290,0,"V(out)"}
X: ('M',0,300000,0,1e+007)
Y[0]: (' ',0,0.000501187233627272,6,1)
Y[1]: (' ',0,-650,50,-100)
Log: 1 2 0
GridStyle: 1
PltMag: 1
PltPhi: 1 0
}
}

448
examples/Educational/NE555.asc Normal file
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@@ -0,0 +1,448 @@
Version 4
SHEET 1 3012 1852
WIRE 544 272 416 272
WIRE 672 272 544 272
WIRE 752 272 736 272
WIRE 960 272 752 272
WIRE 1056 272 960 272
WIRE 1312 272 1056 272
WIRE 1584 272 1312 272
WIRE 2208 272 1584 272
WIRE 2304 272 2208 272
WIRE 2448 272 2304 272
WIRE 2640 272 2448 272
WIRE 544 304 544 272
WIRE 1312 304 1312 272
WIRE 1584 304 1584 272
WIRE 2304 320 2304 272
WIRE 960 384 960 272
WIRE 960 384 832 384
WIRE 1056 384 1056 272
WIRE 1184 384 1056 384
WIRE 2080 384 1952 384
WIRE 2208 384 2208 272
WIRE 2208 384 2080 384
WIRE 832 400 832 384
WIRE 960 400 960 384
WIRE 1056 400 1056 384
WIRE 1184 400 1184 384
WIRE 1312 400 1312 384
WIRE 1952 400 1952 384
WIRE 2080 400 2080 384
WIRE 2208 400 2208 384
WIRE 544 416 544 384
WIRE 2448 416 2448 272
WIRE 416 448 416 272
WIRE 768 448 752 448
WIRE 896 448 768 448
WIRE 1248 448 1120 448
WIRE 1264 448 1248 448
WIRE 1872 448 1376 448
WIRE 1888 448 1872 448
WIRE 2016 448 1888 448
WIRE 2144 448 2016 448
WIRE 2160 448 2144 448
WIRE 2304 464 2304 400
WIRE 2384 464 2304 464
WIRE 752 528 752 448
WIRE 832 528 832 496
WIRE 832 528 752 528
WIRE 1184 528 1184 496
WIRE 1264 528 1264 448
WIRE 1264 528 1184 528
WIRE 1872 528 1872 448
WIRE 1952 528 1952 496
WIRE 1952 528 1872 528
WIRE 2080 528 2080 496
WIRE 2080 528 1952 528
WIRE 2640 528 2640 272
WIRE 1056 560 1056 496
WIRE 1680 560 1056 560
WIRE 2080 560 2080 528
WIRE 2448 576 2448 512
WIRE 2528 576 2448 576
WIRE 2576 576 2528 576
WIRE 960 592 960 496
WIRE 1840 592 960 592
WIRE 832 624 832 528
WIRE 944 624 832 624
WIRE 1184 624 1184 528
WIRE 1184 624 1072 624
WIRE 2528 624 2528 576
WIRE 832 640 832 624
WIRE 1184 640 1184 624
WIRE 672 688 480 688
WIRE 752 688 736 688
WIRE 768 688 752 688
WIRE 1264 688 1248 688
WIRE 1584 688 1584 384
WIRE 1584 688 1264 688
WIRE 944 704 944 624
WIRE 1072 704 1072 624
WIRE 1936 720 1504 720
WIRE 2080 720 2080 640
WIRE 2080 720 1936 720
WIRE 2160 720 2080 720
WIRE 2528 736 2528 704
WIRE 2640 736 2640 624
WIRE 2640 736 2528 736
WIRE 2672 736 2640 736
WIRE 2688 736 2672 736
WIRE 2832 736 2752 736
WIRE 832 752 832 736
WIRE 880 752 832 752
WIRE 1184 752 1184 736
WIRE 1184 752 1136 752
WIRE 1936 768 1936 720
WIRE 2080 768 2080 720
WIRE 2528 800 2528 736
WIRE 944 816 944 800
WIRE 1008 816 944 816
WIRE 1072 816 1072 800
WIRE 1072 816 1008 816
WIRE 1840 816 1840 592
WIRE 1872 816 1840 816
WIRE 2160 816 2160 720
WIRE 2160 816 2144 816
WIRE 544 848 528 848
WIRE 672 848 608 848
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WIRE 1264 848 752 848
WIRE 1680 848 1680 560
WIRE 1760 848 1680 848
WIRE 2304 848 2304 464
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WIRE 2304 864 2304 848
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WIRE 1504 880 880 880
WIRE 1680 880 1680 848
WIRE 1840 880 1840 816
WIRE 1312 912 1312 496
WIRE 1312 912 1232 912
WIRE 1392 912 1312 912
WIRE 1936 912 1936 864
WIRE 1968 912 1936 912
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WIRE 2208 912 2048 912
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WIRE 1760 928 1744 928
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WIRE 672 976 272 976
WIRE 752 976 736 976
WIRE 816 976 752 976
WIRE 1168 992 1104 992
WIRE 1488 992 1456 992
WIRE 2080 992 2080 864
WIRE 2144 992 2080 992
WIRE 1104 1008 1104 992
WIRE 1488 1008 1488 992
WIRE 2080 1008 2080 992
WIRE 2640 1008 2640 736
WIRE 480 1056 480 688
WIRE 576 1056 480 1056
WIRE 672 1056 576 1056
WIRE 752 1056 736 1056
WIRE 1040 1056 752 1056
WIRE 1584 1056 1584 1008
WIRE 1584 1056 1552 1056
WIRE 1936 1056 1936 912
WIRE 2016 1056 1936 1056
WIRE 2304 1056 2304 960
WIRE 2384 1056 2304 1056
WIRE 2416 1056 2384 1056
WIRE 2576 1056 2496 1056
WIRE 1936 1072 1936 1056
WIRE 576 1088 576 1056
WIRE 2304 1088 2304 1056
WIRE 1232 1120 1232 1040
WIRE 1872 1120 1232 1120
WIRE 1392 1152 1392 1040
WIRE 1392 1152 1312 1152
WIRE 576 1168 576 1152
WIRE 1584 1168 1584 1056
WIRE 2384 1168 2384 1056
WIRE 480 1184 480 1056
WIRE 1008 1184 1008 816
WIRE 1232 1200 1232 1120
WIRE 1392 1200 1392 1152
WIRE 1312 1248 1312 1152
WIRE 1312 1248 1296 1248
WIRE 1328 1248 1312 1248
WIRE 416 1296 416 528
WIRE 480 1296 480 1264
WIRE 480 1296 416 1296
WIRE 672 1296 480 1296
WIRE 752 1296 736 1296
WIRE 768 1296 752 1296
WIRE 1008 1312 1008 1264
WIRE 1104 1312 1104 1104
WIRE 1104 1312 1008 1312
WIRE 1232 1312 1232 1296
WIRE 1232 1312 1104 1312
WIRE 1392 1312 1392 1296
WIRE 1392 1312 1232 1312
WIRE 1488 1312 1488 1104
WIRE 1488 1312 1392 1312
WIRE 1584 1312 1584 1248
WIRE 1584 1312 1488 1312
WIRE 1680 1312 1680 976
WIRE 1680 1312 1584 1312
WIRE 1840 1312 1840 976
WIRE 1840 1312 1680 1312
WIRE 1936 1312 1936 1168
WIRE 1936 1312 1840 1312
WIRE 2080 1312 2080 1104
WIRE 2080 1312 1936 1312
WIRE 2208 1312 2208 1040
WIRE 2208 1312 2080 1312
WIRE 2384 1312 2384 1248
WIRE 2384 1312 2208 1312
WIRE 2528 1312 2528 896
WIRE 2528 1312 2384 1312
WIRE 2640 1312 2640 1104
WIRE 2640 1312 2528 1312
WIRE 880 1344 880 1024
WIRE 880 1344 832 1344
WIRE 2304 1344 2304 1168
WIRE 2304 1344 880 1344
WIRE 672 1424 560 1424
WIRE 752 1424 736 1424
WIRE 768 1424 768 1392
WIRE 768 1424 752 1424
WIRE 1008 1424 1008 1312
WIRE 1008 1424 768 1424
FLAG 560 1424 0
FLAG 752 1296 7
FLAG 752 976 4
FLAG 752 1056 2
FLAG 752 1424 1
FLAG 752 848 5
FLAG 752 688 6
FLAG 752 272 8
FLAG 2672 736 3
FLAG 576 1168 0
FLAG 528 848 0
FLAG 544 416 0
FLAG 96 976 0
SYMBOL NPN 880 704 R0
SYMATTR InstName Q1
SYMATTR Value NP
SYMBOL npn 768 640 R0
SYMATTR InstName Q2
SYMATTR Value NP
SYMBOL npn 1136 704 M0
SYMATTR InstName Q3
SYMATTR Value NP
SYMBOL npn 1248 640 M0
SYMATTR InstName Q4
SYMATTR Value NP
SYMBOL res 992 1168 R0
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL PNP 1248 496 R180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q5
SYMATTR Value PN
SYMBOL pnp 1120 496 R180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q6
SYMATTR Value PN
SYMBOL pnp 768 496 M180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q7
SYMATTR Value PN
SYMBOL pnp 896 496 M180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q8
SYMATTR Value PN
SYMBOL pnp 1376 496 R180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q9
SYMATTR Value PN
SYMBOL res 1296 288 R0
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL pnp 1456 1040 R180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q10
SYMATTR Value PN
SYMBOL pnp 1552 1104 R180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q11
SYMATTR Value PN
SYMBOL pnp 1168 1040 M180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q12
SYMATTR Value PN
SYMBOL pnp 1040 1104 M180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q13
SYMATTR Value PN
SYMBOL npn 1296 1200 M0
SYMATTR InstName Q14
SYMATTR Value NP
SYMBOL npn 1328 1200 R0
SYMATTR InstName Q15
SYMATTR Value NP
SYMBOL res 1568 288 R0
SYMATTR InstName R3
SYMATTR Value 5K
SYMBOL res 1568 912 R0
SYMATTR InstName R4
SYMATTR Value 5K
SYMBOL res 1568 1152 R0
SYMATTR InstName R5
SYMATTR Value 5K
SYMBOL npn 1776 880 R0
SYMATTR InstName Q16
SYMATTR Value NP
SYMBOL npn 1744 880 M0
SYMATTR InstName Q17
SYMATTR Value NP
SYMBOL npn 1872 1072 R0
SYMATTR InstName Q18
SYMATTR Value NP
SYMBOL npn 2016 1008 R0
SYMATTR InstName Q19
SYMATTR Value NP
SYMBOL npn 2144 944 R0
SYMATTR InstName Q20
SYMATTR Value NP
SYMBOL npn 1872 768 R0
SYMATTR InstName Q21
SYMATTR Value NP
SYMBOL npn 2144 768 M0
SYMATTR InstName Q22
SYMATTR Value NP
SYMBOL pnp 1888 496 M180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q23
SYMATTR Value PN
SYMBOL pnp 2016 496 M180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q24
SYMATTR Value PN
SYMBOL pnp 2144 496 M180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q25
SYMATTR Value PN
SYMBOL res 2064 544 R0
SYMATTR InstName R6
SYMATTR Value 7.5K
SYMBOL res 2064 928 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 4.7K
SYMBOL pnp 816 1024 M180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q26
SYMATTR Value PN
SYMBOL npn 832 1296 M0
SYMATTR InstName Q27
SYMATTR Value NP
SYMBOL npn 2240 864 R0
SYMATTR InstName Q28
SYMATTR Value NP
SYMBOL res 2288 304 R0
SYMATTR InstName R8
SYMATTR Value 6.2K
SYMBOL res 2288 1072 R0
SYMATTR InstName R9
SYMATTR Value 100
SYMBOL res 2368 1152 R0
SYMATTR InstName R10
SYMATTR Value 3.3K
SYMBOL res 2512 1040 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 120
SYMBOL npn 2576 1008 R0
SYMATTR InstName Q29
SYMATTR Value NP
SYMBOL npn 2576 528 R0
SYMATTR InstName Q30
SYMATTR Value NP
SYMBOL npn 2384 416 R0
SYMATTR InstName Q31
SYMATTR Value NP
SYMBOL res 2512 608 R0
SYMATTR InstName R12
SYMATTR Value 3.9K
SYMBOL pnp 2464 896 M180
WINDOW 0 60 64 Left 2
WINDOW 3 64 32 Left 2
SYMATTR InstName Q32
SYMATTR Value PN
SYMBOL MISC\\JUMPER 704 208 R0
SYMATTR InstName J8
SYMBOL misc\\jumper 704 624 R0
SYMATTR InstName J6
SYMBOL misc\\jumper 704 784 R0
SYMATTR InstName J5
SYMBOL misc\\jumper 704 1360 R0
SYMATTR InstName J1
SYMBOL misc\\jumper 704 992 R0
SYMATTR InstName J2
SYMBOL misc\\jumper 704 912 R0
SYMATTR InstName J4
SYMBOL misc\\jumper 704 1232 R0
SYMATTR InstName J7
SYMBOL misc\\jumper 2720 672 R0
SYMATTR InstName J3
SYMBOL cap 608 832 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .01<EFBFBD>
SYMBOL cap 560 1088 R0
SYMATTR InstName C1
SYMATTR Value .01<EFBFBD>
SYMBOL res 400 432 R0
SYMATTR InstName R13
SYMATTR Value 20K
SYMBOL res 464 1168 R0
SYMATTR InstName R14
SYMATTR Value 20K
SYMBOL voltage 288 976 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 15 0 1u 1u 5m 10m)
SYMBOL voltage 544 288 R0
SYMATTR InstName V1
SYMATTR Value 15
TEXT 632 1056 Bottom 2 ;Trigger
TEXT 632 1424 Bottom 2 ;GND
TEXT 632 848 Bottom 2 ;Vctrl
TEXT 632 688 Bottom 2 ;Threas
TEXT 632 976 Bottom 2 ;Reset
TEXT 632 1296 Bottom 2 ;Dischrg
TEXT 2792 736 Bottom 2 ;Output
TEXT 1152 1360 Left 2 !.model NP NPN(BF=125 Cje=.5p Cjc=.5p Rb=500)\n.model PN LPNP(BF=25 Cje=.3p Cjc=1.5p Rb=250)
TEXT 2392 1360 Left 2 !.tran 30m
TEXT 1544 1416 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT 1504 264 Bottom 2 ;A transistor level repesentation of a 555 timer.
TEXT 632 272 Bottom 2 ;Vcc

13
examples/Educational/NE555.plt Normal file
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@@ -0,0 +1,13 @@
[Transient Analysis]
{
Npanes: 1
{
traces: 1 {524290,0,"V(3)"}
X: ('m',0,0,0.003,0.03)
Y[0]: (' ',0,0,1,15)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,0,0,1,15)
Log: 0 0 0
GridStyle: 1
}
}

82
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Version 4
SHEET 1 3088 1688
WIRE 1888 912 1792 912
WIRE 2000 912 1888 912
WIRE 1792 928 1792 912
WIRE 2000 928 2000 912
WIRE 1888 976 1888 912
WIRE 1792 1024 1792 1008
WIRE 2000 1024 2000 1008
WIRE 2064 1024 2000 1024
WIRE 2160 1024 2128 1024
WIRE 2240 1024 2160 1024
WIRE 2160 1040 2160 1024
WIRE 2000 1056 2000 1024
WIRE 1792 1104 1568 1104
WIRE 1888 1104 1888 1056
WIRE 1888 1104 1856 1104
WIRE 1936 1104 1888 1104
WIRE 1568 1120 1568 1104
WIRE 1888 1120 1888 1104
WIRE 2160 1136 2160 1120
WIRE 2000 1184 2000 1152
WIRE 2096 1184 2000 1184
WIRE 2000 1200 2000 1184
WIRE 1568 1216 1568 1200
WIRE 1888 1216 1888 1200
WIRE 2096 1216 2096 1184
WIRE 2000 1296 2000 1280
WIRE 2096 1296 2096 1280
FLAG 1792 1024 0
FLAG 1568 1216 0
FLAG 2240 1024 OUT
FLAG 2000 1296 0
FLAG 1888 1216 0
FLAG 2096 1296 0
FLAG 2160 1136 0
SYMBOL voltage 1792 912 R0
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL npn 1936 1056 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL res 1984 912 R0
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL res 1984 1184 R0
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL res 1872 960 R0
SYMATTR InstName R1
SYMATTR Value 75K
SYMBOL res 1872 1104 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL cap 1856 1088 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .1<EFBFBD>
SYMBOL cap 2080 1216 R0
SYMATTR InstName C2
SYMATTR Value 10<31>
SYMBOL res 2144 1024 R0
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL cap 2128 1008 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1<>
SYMBOL voltage 1568 1104 R0
WINDOW 123 40 57 Left 2
WINDOW 39 22 97 Left 2
SYMATTR Value2 AC 1
SYMATTR SpiceLine Rser=1K
SYMATTR InstName V1
SYMATTR Value ""
TEXT 2120 1336 Left 2 !.noise V(out) V1 oct 10 1K 100K
TEXT 1480 1336 Left 2 ;To plot NF vs. Frequency:\n 10*log10(V(inoise)*V(inoise)/(4*k*300.15*1K))\n Note that the units are dB but will be labeled V/sqrt(Hz)\n If you add the line\n .func NF(R) 10*log10(V(inoise)*V(inoise)/(4*k*300.15*R))\n to your plot.defs file, then you can conveniently plot the quantity NF(1K)
TEXT 1624 1240 Top 2 ;1K Source Impedance
TEXT 1952 1504 Top 1 ;This example schematic is supplied for informational/educational purposes only.
RECTANGLE Normal 1776 1280 1488 1072 2

12
examples/Educational/NoiseFigure.plt Normal file
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[Noise Spectral Density - (V/Hz<EFBFBD> or A/Hz<EFBFBD>)]
{
Npanes: 1
{
traces: 1 {524290,0,"10*log10(V(inoise)*V(inoise)/(4*k*300.15*1K))"}
X: ('K',0,1000,0,100000)
Y[0]: (' ',1,2.4,0.3,6)
Y[1]: ('_',0,1e+308,0,-1e+308)
Units: "" (' ',0,0,0,2.4,0.3,6)
Log: 1 0 0
}
}

106
examples/Educational/NonLinearTransformer.asc Normal file
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Version 4
SHEET 1 1608 720
WIRE 704 -16 640 -16
WIRE 1136 -16 1056 -16
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FLAG 208 272 0
FLAG -32 240 0
FLAG 768 64 0
FLAG 864 240 0
FLAG 768 240 0
FLAG 992 240 0
FLAG 992 64 0
FLAG 1344 256 0
SYMBOL ind 576 96 M0
WINDOW 123 41 68 Left 2
WINDOW 39 43 91 Left 2
WINDOW 40 42 117 Left 2
WINDOW 0 43 16 Left 2
WINDOW 3 42 42 Left 2
SYMATTR Value2 A=0.0000251 Lm=0.0198
SYMATTR SpiceLine Lg=0.0006858 N=1000
SYMATTR SpiceLine2 Rser=0.
SYMATTR InstName L1
SYMATTR Value Hc=16. Bs=.44 Br=.10
SYMBOL voltage -32 112 R0
SYMATTR InstName V1
SYMATTR Value sine(0 10 100)
SYMBOL res 112 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL g 768 112 R0
SYMATTR InstName G1
SYMATTR Value 1
SYMBOL g 992 112 M0
SYMATTR InstName G2
SYMATTR Value 1
SYMBOL g 704 -16 M0
WINDOW 0 -11 9 Right 2
WINDOW 3 -12 103 Right 2
SYMATTR InstName G3
SYMATTR Value 1
SYMBOL g 1056 -16 R0
SYMATTR InstName G4
SYMATTR Value 1
SYMBOL res 848 112 R0
SYMATTR InstName Rx
SYMATTR Value 1Meg
SYMBOL res 1328 112 R0
SYMATTR InstName Rload
SYMATTR Value {R}
TEXT 0 272 Left 2 !.tran 50m
TEXT 1200 392 Left 2 !.step param R list 1Meg 1
TEXT 728 -104 Bottom 2 ;1:1 transformer
TEXT 200 336 Left 2 ;K-statements don't work with the non-linear inductor since the Chan model assumes the\nfield is uniform in the air and core and the field won't be uniform if K != 1.\n \nBut you can model a transformer that saturates by shorting the input of an ideal\ntransformer with an inductor that saturates. In this example, the cross-coupled\ntransconductances effect an ideal transformer. The simulation steps the load resistance\nand you can see that peak input current goes down when the secondary isn't open circuit\nsince the core doesn't saturates when the secondary is shielding the core.
TEXT 768 560 Top 1 ;This example schematic is supplied for informational/educational purposes only.
LINE Normal 1232 -96 256 -96
LINE Normal 1232 304 1232 -96
LINE Normal 256 304 1232 304
LINE Normal 256 -96 256 304

22
examples/Educational/NonLinearTransformer.plt Normal file
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[Transient Analysis]
{
Npanes: 2
{
traces: 1 {34603011,0,"I(Rload)"}
X: ('m',0,0,0.005,0.05)
Y[0]: (' ',0,-5,1,6)
Y[1]: ('_',0,1e+308,0,-1e+308)
Amps: (' ',0,0,0,-5,1,6)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {303038466,0,"I(R1)"}
X: ('m',0,0,0.005,0.05)
Y[0]: (' ',0,-7,1,5)
Y[1]: ('_',0,1e+308,0,-1e+308)
Amps: (' ',0,0,0,-7,1,5)
Log: 0 0 0
GridStyle: 1
}
}

853
examples/Educational/P2.asc Normal file
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Version 4
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FLAG 2160 128 0
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FLAG 880 128 0
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FLAG 1200 368 0
FLAG 1136 224 0
FLAG 944 320 0
FLAG 1360 432 0
FLAG 1776 752 0
FLAG 2016 944 0
FLAG 1680 752 0
FLAG 1536 528 0
FLAG 1472 736 0
FLAG 1296 1120 0
FLAG 736 752 0
FLAG 64 752 0
FLAG 1680 512 0
FLAG 1728 448 0
FLAG 2160 368 OUT
FLAG 880 1088 -IN
FLAG 1296 1088 +IN
FLAG 512 1152 0
SYMBOL pnp 112 240 M180
WINDOW 0 51 63 Left 2
WINDOW 3 50 31 Left 2
SYMATTR InstName Q2
SYMATTR Value 2N344
SYMBOL res 160 16 R0
SYMATTR InstName R1
SYMATTR Value 15K
SYMBOL res 160 256 R0
WINDOW 0 34 34 Left 2
WINDOW 3 31 58 Left 2
SYMATTR InstName R2
SYMATTR Value 4.7K
SYMBOL res 160 368 R0
SYMATTR InstName R4
SYMATTR Value 2.2K
SYMBOL voltage 2160 16 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage 2160 480 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL cap 288 384 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value .01<EFBFBD>
SYMBOL cap 80 144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value .01<EFBFBD>
SYMBOL res 448 16 R0
SYMATTR InstName R5
SYMATTR Value 15K
SYMBOL res 448 256 R0
SYMATTR InstName R6
SYMATTR Value 4.7K
SYMBOL res 352 208 R0
SYMATTR InstName R7
SYMATTR Value 1K
SYMBOL res 448 368 R0
SYMATTR InstName R8
SYMATTR Value 2.2K
SYMBOL cap 384 384 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value .01<EFBFBD>
SYMBOL cap 352 144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C5
SYMATTR Value .01<EFBFBD>
SYMBOL res 720 16 R0
SYMATTR InstName R13
SYMATTR Value 15K
SYMBOL res 720 256 R0
SYMATTR InstName R14
SYMATTR Value 4.7K
SYMBOL res 576 192 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R15
SYMATTR Value 1K
SYMBOL res 720 368 R0
SYMATTR InstName R16
SYMATTR Value 2.2K
SYMBOL cap 864 384 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C10
SYMATTR Value .01<EFBFBD>
SYMBOL cap 864 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value .01<EFBFBD>
SYMBOL res 1040 16 R0
SYMATTR InstName R9
SYMATTR Value 15K
SYMBOL res 1040 256 R0
SYMATTR InstName R10
SYMATTR Value 4.7K
SYMBOL res 928 192 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R11
SYMATTR Value 1K
SYMBOL res 1040 368 R0
SYMATTR InstName R12
SYMATTR Value 2.2K
SYMBOL cap 1184 384 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C12
SYMATTR Value .01<EFBFBD>
SYMBOL cap 1120 208 M180
WINDOW 0 27 57 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C13
SYMATTR Value .01<EFBFBD>
SYMBOL cap 304 272 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C6
SYMATTR Value .01<EFBFBD>
SYMBOL cap 576 272 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C7
SYMATTR Value .01<EFBFBD>
SYMBOL cap 864 272 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C8
SYMATTR Value .01<EFBFBD>
SYMBOL cap 1232 272 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C9
SYMATTR Value 7.5p
SYMBOL pnp 400 240 M180
WINDOW 0 51 63 Left 2
WINDOW 3 50 31 Left 2
SYMATTR InstName Q3
SYMATTR Value 2N344
SYMBOL pnp 672 240 M180
WINDOW 0 51 63 Left 2
WINDOW 3 50 31 Left 2
SYMATTR InstName Q4
SYMATTR Value 2N344
SYMBOL pnp 992 240 M180
WINDOW 0 51 63 Left 2
WINDOW 3 50 31 Left 2
SYMATTR InstName Q5
SYMATTR Value 2N344
SYMBOL res 928 208 R0
SYMATTR InstName R18
SYMATTR Value 2K
SYMBOL cap 1120 96 M180
WINDOW 0 26 56 Left 2
WINDOW 3 24 14 Left 2
SYMATTR InstName C14
SYMATTR Value .01<EFBFBD>
SYMBOL pnp 1504 256 M180
WINDOW 0 54 108 Right 2
WINDOW 3 37 36 Left 2
SYMATTR InstName Q7
SYMATTR Value 2N344
SYMBOL diode 1344 32 R0
WINDOW 0 32 9 Left 2
WINDOW 3 24 58 Left 2
SYMATTR InstName D1
SYMATTR Value 1N2326
SYMBOL cap 1264 96 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C16
SYMATTR Value .01<EFBFBD>
SYMBOL cap 1264 192 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C17
SYMATTR Value .01<EFBFBD>
SYMBOL ind 1392 224 R270
WINDOW 0 36 94 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 51<35>
SYMATTR SpiceLine Rser=1
SYMBOL ind 1584 336 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 51<35>
SYMATTR SpiceLine Rser=1
SYMBOL cap 1440 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C15
SYMATTR Value 20p
SYMBOL res 1344 320 R0
SYMATTR InstName R17
SYMATTR Value 10K
SYMBOL diode 1344 128 R0
WINDOW 0 32 9 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName D2
SYMATTR Value 1N2326
SYMBOL pnp 1760 368 M180
WINDOW 0 51 110 Right 2
WINDOW 3 56 65 Left 2
SYMATTR InstName Q6
SYMATTR Value 2N597
SYMBOL res 1808 96 R0
SYMATTR InstName R19
SYMATTR Value 10K
SYMBOL ind 1888 96 R0
SYMATTR InstName L3
SYMATTR Value 12.5m
SYMBOL diode 1840 384 R270
WINDOW 3 0 32 VBottom 2
WINDOW 0 32 32 VTop 2
SYMATTR Value 1N484
SYMATTR InstName D3
SYMBOL res 2000 368 R0
SYMATTR InstName R20
SYMATTR Value 3.6K
SYMBOL res 1904 384 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R21
SYMATTR Value 390
SYMBOL cap 1712 176 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C18
SYMATTR Value .001<EFBFBD>
SYMBOL cap 1632 128 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C19
SYMATTR Value .47<EFBFBD>
SYMBOL res 1632 128 R0
SYMATTR InstName R22
SYMATTR Value 90
SYMBOL pnp 1808 672 M180
WINDOW 0 43 63 Left 2
WINDOW 3 41 31 Left 2
SYMATTR InstName Q1
SYMATTR Value 2N274
SYMBOL res 2000 512 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R23
SYMATTR Value 10K
SYMBOL cap 1904 608 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C20
SYMATTR Value .01<EFBFBD>
SYMBOL res 1760 640 R0
SYMATTR InstName R24
SYMATTR Value 1K
SYMBOL cap 1664 720 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C21
SYMATTR Value 150p
SYMBOL res 1872 864 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R25
SYMATTR Value 3.3K
SYMBOL res 2000 768 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R26
SYMATTR Value 1K
SYMBOL cap 2000 928 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C22
SYMATTR Value .01<EFBFBD>
SYMBOL cap 1664 864 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C23
SYMATTR Value 200p
SYMBOL cap 1664 640 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C24
SYMATTR Value 25p
SYMBOL cap 1520 768 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C25
SYMATTR Value 100p
SYMBOL cap 1520 608 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C26
SYMATTR Value 100p
SYMBOL ind2 1456 736 R180
WINDOW 0 -1 79 Right 2
WINDOW 3 3 41 Right 2
SYMATTR InstName L4
SYMATTR Value 1<>
SYMATTR Type ind
SYMBOL ind2 1456 848 R180
WINDOW 0 -3 71 Right 2
WINDOW 3 0 39 Right 2
SYMATTR InstName L5
SYMATTR Value 1<>
SYMATTR Type ind
SYMBOL ind2 1376 736 R0
WINDOW 0 2 28 Right 2
WINDOW 3 3 70 Right 2
SYMATTR InstName L6
SYMATTR Value 1<>
SYMATTR Type ind
SYMBOL ind2 1376 624 R0
WINDOW 0 1 38 Right 2
WINDOW 3 0 71 Right 2
SYMATTR InstName L7
SYMATTR Value 1<>
SYMATTR Type ind
SYMBOL cap 1248 720 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C27
SYMATTR Value 120p
SYMBOL res 1264 608 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R27
SYMATTR Value 4.7K
SYMBOL res 1264 832 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R28
SYMATTR Value 4.7K
SYMBOL res 1088 624 R0
SYMATTR InstName R29
SYMATTR Value 330
SYMBOL res 1088 736 R0
SYMATTR InstName R30
SYMATTR Value 330
SYMBOL varactor 1008 656 R0
SYMATTR Value V47
SYMATTR InstName D4
SYMBOL varactor 1008 752 R0
WINDOW 3 28 60 Left 2
SYMATTR Value V47
SYMATTR InstName D5
SYMBOL varactor 912 816 M180
WINDOW 0 27 62 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D6
SYMATTR Value V47
SYMBOL varactor 912 720 M180
WINDOW 0 27 57 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D7
SYMATTR Value V47
SYMBOL ind2 832 752 R180
WINDOW 0 -1 79 Right 2
WINDOW 3 3 41 Right 2
SYMATTR InstName L8
SYMATTR Value 1<>
SYMATTR Type ind
SYMBOL ind2 832 864 R180
WINDOW 0 -3 71 Right 2
WINDOW 3 0 39 Right 2
SYMATTR InstName L9
SYMATTR Value 1<>
SYMATTR Type ind
SYMBOL ind2 752 752 M180
WINDOW 0 1 82 Right 2
WINDOW 3 -4 40 Right 2
SYMATTR InstName L10
SYMATTR Value 1<>
SYMATTR Type ind
SYMBOL ind2 752 864 M180
WINDOW 0 -1 73 Right 2
WINDOW 3 -2 42 Right 2
SYMATTR InstName L11
SYMATTR Value 1<>
SYMATTR Type ind
SYMBOL res 864 896 R0
SYMATTR InstName R31
SYMATTR Value 330
SYMBOL res 1280 896 R0
WINDOW 0 29 45 Left 2
SYMATTR InstName R32
SYMATTR Value 47
SYMBOL cap 1136 1024 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C28
SYMATTR Value 100p
SYMBOL cap 640 784 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C29
SYMATTR Value 120p
SYMBOL res 480 640 R0
WINDOW 3 25 80 Left 2
SYMATTR Value {x*50K}
SYMATTR InstName R33
SYMBOL res 480 752 R0
WINDOW 3 19 83 Left 2
SYMATTR Value {(1-x)*50K}
SYMATTR InstName R34
SYMBOL cap 480 768 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C30
SYMATTR Value 7.5p
SYMBOL cap 320 736 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C31
SYMATTR Value 10p
SYMBOL cap 224 736 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C32
SYMATTR Value 7.5p
SYMBOL cap 320 848 M180
WINDOW 0 21 55 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C33
SYMATTR Value 10p
SYMBOL cap 224 848 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C34
SYMATTR Value 7.5p
SYMBOL cap 320 960 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C35
SYMATTR Value 10p
SYMBOL cap 224 960 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C36
SYMATTR Value 7.5p
SYMBOL cap 224 624 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C37
SYMATTR Value 7.5p
SYMBOL cap 320 624 M180
WINDOW 0 24 54 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C38
SYMATTR Value 10p
SYMBOL cap 80 736 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C1
SYMATTR Value {y*3p}
SYMBOL cap 80 848 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C39
SYMATTR Value {(1-y)*3p}
SYMBOL cap 1488 352 R0
SYMATTR InstName C40
SYMATTR Value 25p
SYMBOL current 1680 528 R0
WINDOW 0 22 -24 Left 2
WINDOW 3 26 2 Left 2
WINDOW 123 32 27 Left 2
WINDOW 39 36 51 Left 2
WINDOW 40 24 78 Left 2
SYMATTR InstName I1
SYMATTR Value SINE(
SYMATTR Value2 0 100u
SYMATTR SpiceLine 5Meg
SYMATTR SpiceLine2 0 0 0 1)
SYMBOL current 1728 352 R0
WINDOW 3 33 33 Left 2
WINDOW 123 31 62 Left 2
WINDOW 39 26 87 Left 2
WINDOW 0 11 -8 Left 2
SYMATTR Value PWL(
SYMATTR Value2 0 40u
SYMATTR SpiceLine 10u 0)
SYMATTR InstName I2
SYMBOL voltage 704 1152 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 40 56 VTop 2
SYMATTR InstName V3
SYMATTR Value PULSE(-100m 100m 0 .1m .1m .5m 1.2m)
SYMBOL res 1040 1136 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100K
SYMBOL res 832 1136 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R35
SYMATTR Value 10K
SYMBOL cap 608 416 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName Cstray
SYMATTR Value .05p
TEXT 1392 936 Left 1 !.model V47 D(Is=3p Cjo=105p)\n.model 1N2326 D(Is=7.8u Rs=3 Cjo=4p Eg=.67)\n.model 1N484 D(Rs=3 Cjo=4p type=silicon)\n.model 2N344 PNP(Is=1e-10 bf=11 Vaf=15 Cje=5p Cjc=2.5p Tf=3n\n+ Eg=.67 Rb=100 Re=10)
TEXT 1560 1120 Left 2 !.tran 1.2m
TEXT 1416 624 Bottom 2 !K1 L4 L5\n+ L6 L7 1
TEXT 792 640 Bottom 2 !K2 L8 L9\n+ L10 L11 1
TEXT 512 872 Top 2 !.param x=.735
TEXT 112 872 Top 2 !.param y=.49
TEXT 1120 8 Bottom 2 ;George A. Philbrick Researches, Inc. P2 All Solid State Differential Operational Amplifier
TEXT 56 1080 Left 1 ;This example schematic is supplied for\ninformational/educational purposes only.
TEXT 624 960 Center 2 ;www.philbrickarchive.org
TEXT 112 904 Top 2 ;Gain Adj.
TEXT 512 904 Top 2 ;Offset Adj.
TEXT 80 1000 Left 1 !.model 2N274 PNP(Is=1e-10 bf=20 Vaf=10 Cje=25p Cjc=25p Eg=.67)\n.model 2N597 PNP(Is=1e-10 bf=50 Vaf=10 Cje=50p Cjc=10p Eg=.67)
RECTANGLE Normal 2112 1056 32 -32 2

23
examples/Educational/P2.plt Normal file
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@@ -0,0 +1,23 @@
[Transient Analysis]
{
Npanes: 2
Active Pane: 1
{
traces: 1 {524291,0,"V(out)"}
X: ('m',1,0,0.0001,0.0012)
Y[0]: (' ',1,-1.2,0.2,1.2)
Y[1]: ('m',0,1e+308,0.005,-1e+308)
Volts: (' ',0,0,1,-1.2,0.2,1.2)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {524290,0,"V(-in)"}
X: ('m',1,0,0.0001,0.0012)
Y[0]: ('m',0,-0.042,0.006,0.024)
Y[1]: ('m',0,1e+308,0.005,-1e+308)
Volts: ('m',0,0,0,-0.042,0.006,0.024)
Log: 0 0 0
GridStyle: 1
}
}

42
examples/Educational/PAsystem/2N3904.asy Normal file
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Version 4
SymbolType CELL
LINE Normal 12 26 6 26
LINE Normal 12 38 6 38
LINE Normal 9 32 6 32
LINE Normal 6 38 6 26
LINE Normal 9 -6 6 -6
LINE Normal 9 6 6 6
LINE Normal 9 0 6 0
LINE Normal 6 6 6 -6
LINE Normal 9 -6 11 -4
LINE Normal 11 -2 9 0
LINE Normal 9 0 11 2
LINE Normal 11 4 9 6
LINE Normal 11 -4 11 -2
LINE Normal 11 2 11 4
LINE Normal 8 -38 11 -38
LINE Normal 8 -26 11 -26
LINE Normal 8 -38 6 -36
LINE Normal 6 -28 8 -26
LINE Normal 6 -36 6 -28
LINE Normal 16 48 16 -48
LINE Normal 5 27 -5 27
LINE Normal 5 37 -5 37
LINE Normal -5 37 -5 27
LINE Normal 5 37 5 27
CIRCLE Normal 4 -28 -4 -36
CIRCLE Normal 4 4 -4 -4
ARC Normal -32 -48 64 48 16 -48 16 48
WINDOW 0 9 -58 Center 2
SYMATTR Prefix QN
SYMATTR Description TO-92
SYMATTR Value 2N3904
PIN 0 -32 NONE 0
PINATTR PinName C
PINATTR SpiceOrder 1
PIN 0 0 NONE 0
PINATTR PinName B
PINATTR SpiceOrder 2
PIN 0 32 NONE 0
PINATTR PinName E
PINATTR SpiceOrder 3

39
examples/Educational/PAsystem/2N3906.asy Normal file
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Version 4
SymbolType CELL
LINE Normal 12 26 6 26
LINE Normal 12 38 6 38
LINE Normal 9 32 6 32
LINE Normal 6 38 6 26
LINE Normal 9 -6 6 -6
LINE Normal 9 6 6 6
LINE Normal 9 0 6 0
LINE Normal 6 6 6 -6
LINE Normal 9 -6 11 -4
LINE Normal 11 -2 9 0
LINE Normal 9 0 11 2
LINE Normal 11 4 9 6
LINE Normal 11 -4 11 -2
LINE Normal 11 2 11 4
LINE Normal 8 -38 11 -38
LINE Normal 8 -26 11 -26
LINE Normal 8 -38 6 -36
LINE Normal 6 -28 8 -26
LINE Normal 6 -36 6 -28
LINE Normal 16 48 16 -48
RECTANGLE Normal 5 37 -5 27
CIRCLE Normal 4 -28 -4 -36
CIRCLE Normal 4 4 -4 -4
ARC Normal -32 -48 64 48 16 -48 16 48
WINDOW 0 9 -58 Center 2
SYMATTR Prefix QP
SYMATTR Description TO-92
SYMATTR Value 2N3906
PIN 0 -32 NONE 0
PINATTR PinName C
PINATTR SpiceOrder 1
PIN 0 0 NONE 0
PINATTR PinName B
PINATTR SpiceOrder 2
PIN 0 32 NONE 0
PINATTR PinName E
PINATTR SpiceOrder 3

44
examples/Educational/PAsystem/2N5458.asy Normal file
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Version 4
SymbolType CELL
LINE Normal 6 38 6 26
LINE Normal 12 -6 9 -6
LINE Normal 12 6 9 6
LINE Normal 12 0 9 0
LINE Normal 9 -6 7 -4
LINE Normal 9 0 7 -2
LINE Normal 12 0 14 2
LINE Normal 14 4 12 6
LINE Normal 7 -4 7 -2
LINE Normal 14 2 14 4
LINE Normal 8 -38 11 -38
LINE Normal 8 -26 11 -26
LINE Normal 8 -38 6 -36
LINE Normal 6 -28 8 -26
LINE Normal 6 -36 6 -28
LINE Normal 16 48 16 -48
LINE Normal 9 26 6 26
LINE Normal 9 26 11 28
LINE Normal 9 38 6 38
LINE Normal 11 36 9 38
LINE Normal 11 28 11 36
LINE Normal 13 -28 11 -26
LINE Normal 13 -32 13 -28
LINE Normal 13 -32 10 -32
LINE Normal 13 -36 11 -38
RECTANGLE Normal 5 5 -5 -5
CIRCLE Normal 4 -28 -4 -36
CIRCLE Normal 4 4 -4 -4
ARC Normal -32 -48 64 48 16 -48 16 48
WINDOW 0 9 -58 Center 2
SYMATTR Prefix JN
SYMATTR Description TO-92
SYMATTR Value 2N5458
PIN 0 32 NONE 0
PINATTR PinName D
PINATTR SpiceOrder 1
PIN 0 -32 NONE 0
PINATTR PinName G
PINATTR SpiceOrder 2
PIN 0 0 NONE 0
PINATTR PinName S
PINATTR SpiceOrder 3

114
examples/Educational/PAsystem/HandsFreeLayout.asc Normal file
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Version 4
SHEET 1 1440 764
WIRE -128 -128 -496 -128
WIRE 0 -128 -128 -128
WIRE 64 -128 0 -128
WIRE -128 -96 -384 -96
WIRE -96 -96 -128 -96
WIRE 0 -96 -64 -96
WIRE 64 -96 0 -96
WIRE 416 -96 320 -96
WIRE -496 -80 -496 -128
WIRE -384 -80 -384 -96
WIRE -32 -64 -64 -64
WIRE 64 -64 96 -96
WIRE 64 -64 32 -64
WIRE 320 -48 320 -96
WIRE -96 -32 -128 -32
WIRE -64 -32 -96 -32
WIRE -32 -32 -64 -64
WIRE 0 -32 -32 -32
WIRE 32 -32 32 -64
WIRE -32 0 -32 -32
WIRE -32 0 -64 0
WIRE 0 0 -32 0
WIRE 64 0 32 0
WIRE -496 32 -496 0
WIRE -384 32 -384 0
WIRE -384 32 -496 32
WIRE -128 32 -128 0
WIRE -128 32 -384 32
WIRE -96 32 -96 0
WIRE -96 32 -128 32
WIRE 288 32 288 0
WIRE 288 32 -96 32
WIRE 320 32 320 -16
WIRE 320 32 288 32
WIRE 448 32 320 32
FLAG 448 32 0
FLAG 416 -96 OUT
SYMBOL 2N5458 -64 -64 R180
WINDOW 0 9 -58 Invisible 2
SYMATTR InstName Q1
SYMBOL 2N3906 64 -96 R180
WINDOW 0 9 -58 Invisible 2
SYMATTR InstName Q2
SYMBOL SMcap -96 -64 R180
WINDOW 0 0 0 Invisible 2
WINDOW 3 -2 1 VCenter 2
SYMATTR InstName C1
SYMATTR Value .01<EFBFBD>
SYMBOL SMcap 0 -64 R90
WINDOW 0 -1 0 Invisible 2
WINDOW 3 -1 3 VCenter 2
SYMATTR InstName C2
SYMATTR Value .0033<EFBFBD>
SYMBOL coaxCap7 208 -96 M90
WINDOW 0 -2 -1 Invisible 2
WINDOW 3 2 1 VCenter 2
SYMATTR InstName C3
SYMATTR Value 22<32>
SYMBOL coaxCap7 176 0 M90
WINDOW 0 11 -7 Invisible 2
WINDOW 3 2 0 VCenter 2
SYMATTR InstName C4
SYMATTR Value 22<32>
SYMBOL RN55upright -128 -96 R0
WINDOW 0 -18 -30 Invisible 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL RN55upright 0 -96 R0
WINDOW 0 -18 -30 Invisible 2
SYMATTR InstName R2
SYMATTR Value 5K
SYMBOL RN55upright -128 -32 R180
WINDOW 0 -18 -30 Invisible 2
SYMATTR InstName R3
SYMATTR Value 1Meg
SYMBOL RN55upright -64 0 R270
WINDOW 0 16 -16 Invisible 2
SYMATTR InstName R4
SYMATTR Value 1.6K
SYMBOL RN55upright 32 -32 M90
WINDOW 0 -16 -16 Invisible 2
SYMATTR InstName R5
SYMATTR Value 4K
SYMBOL RN55upright 0 0 R90
WINDOW 0 -16 -16 Invisible 2
SYMATTR InstName R6
SYMATTR Value 200
SYMBOL voltage -384 -96 R0
WINDOW 3 26 94 Left 2
WINDOW 123 38 60 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 24 25 Left 2
SYMATTR Value SINE(0 20m 1K)
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMBOL misc\\battery -496 -96 R0
WINDOW 123 21 97 Left 2
WINDOW 39 39 88 Left 2
SYMATTR Value 9
SYMATTR InstName V2
SYMBOL RN55upright 320 -16 R0
WINDOW 0 -18 -30 Invisible 2
SYMATTR InstName R7
SYMATTR Value 27K
TEXT 488 -64 Left 2 !.tran 0 10m 0 1u
TEXT 408 -120 Bottom 2 ;.6"<22>1.55"
TEXT 104 -152 Bottom 2 ;HandsFree PA Preamp, Version 1\nMike Engelhardt 09/07/08
TEXT -512 80 Left 2 !.model 2N5458 NJF(Beta=488.9u Betatce=-.5 Rd=1 Rs=1 Lambda=3.167m Vto=-2.882\n+ Vtotc=-2.5m Is=181.3f Isr=1.747p N=1 Nr=2 Xti=3 Alpha=2.543u Vk=152.2\n+ Cgd=4p M=.3114 Pb=.5 Fc=.5 Cgs=4.627p Kf=4.284E-18 Af=1)
TEXT 504 136 Left 2 !.four 1K V(out)\n.options plotwinsize=0
TEXT 488 -40 Left 2 ;.ac oct 100 1 100K
TEXT 488 -16 Left 2 ;.noise V(out) V1 oct 100 10 20K
RECTANGLE Normal 336 48 -160 -144 2

116
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Version 4
SHEET 1 2492 744
WIRE 208 -208 -48 -208
WIRE 336 -208 208 -208
WIRE 464 -208 336 -208
WIRE 208 -192 208 -208
WIRE 464 -176 464 -208
WIRE -48 -160 -48 -208
WIRE 336 -144 336 -208
WIRE 208 -96 208 -112
WIRE 272 -96 208 -96
WIRE 208 -80 208 -96
WIRE 464 -64 464 -96
WIRE -48 -16 -48 -80
WIRE -48 -16 -256 -16
WIRE 16 -16 -48 -16
WIRE 112 -16 80 -16
WIRE 160 -16 112 -16
WIRE -256 0 -256 -16
WIRE -48 0 -48 -16
WIRE 112 0 112 -16
WIRE 208 32 208 16
WIRE 240 32 208 32
WIRE 336 32 336 -48
WIRE 336 32 304 32
WIRE 400 32 336 32
WIRE 512 32 464 32
WIRE 576 32 512 32
WIRE 336 48 336 32
WIRE 512 48 512 32
WIRE -256 96 -256 80
WIRE -48 96 -48 64
WIRE 112 96 112 80
WIRE 208 144 208 32
WIRE 336 144 336 128
WIRE 336 144 208 144
WIRE 512 144 512 128
WIRE 336 160 336 144
WIRE 208 176 208 144
WIRE 336 256 336 240
WIRE 208 272 208 256
WIRE 336 336 336 320
FLAG 464 -64 0
FLAG -256 96 0
FLAG 512 144 0
FLAG 576 32 OUT
FLAG 112 96 0
FLAG 208 272 0
FLAG 336 336 0
FLAG -48 96 0
SYMBOL njf 160 -80 R0
WINDOW 0 62 19 Left 2
WINDOW 3 56 52 Left 2
SYMATTR InstName Q1
SYMATTR Value 2N5458
SYMBOL pnp 272 -48 M180
WINDOW 0 57 66 Left 2
WINDOW 3 39 39 Left 2
SYMATTR InstName Q2
SYMATTR Value 2N3906
SYMBOL cap 80 -32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .01<EFBFBD>
SYMBOL cap 304 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .0033<EFBFBD>
SYMBOL cap 400 16 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 22<32>
SYMBOL cap 320 256 R0
SYMATTR InstName C4
SYMATTR Value 22<32>
SYMBOL res -64 -176 R0
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 192 -208 R0
SYMATTR InstName R2
SYMATTR Value 5K
SYMBOL res 96 -16 R0
SYMATTR InstName R3
SYMATTR Value 1Meg
SYMBOL res 192 160 R0
SYMATTR InstName R4
SYMATTR Value 1.6K
SYMBOL res 320 32 R0
SYMATTR InstName R5
SYMATTR Value 3.9K
SYMBOL res 320 144 R0
SYMATTR InstName R6
SYMATTR Value 200
SYMBOL res 496 32 R0
SYMATTR InstName R7
SYMATTR Value 47K
SYMBOL current -256 80 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
WINDOW 123 24 -42 Left 2
WINDOW 39 24 -21 Left 2
SYMATTR InstName I2
SYMATTR Value SINE(0 1u 1K)
SYMBOL diode -64 0 R0
SYMATTR InstName D2
SYMATTR Value ElectretMic
SYMBOL Misc\\battery 464 -192 R0
SYMATTR InstName V1
SYMATTR Value 9
TEXT 464 312 Left 2 !.tran 10m
TEXT 424 200 Left 2 !.four 1K V(out)\n.options plotwinsize=0
TEXT -944 -200 Left 2 ;Specs:\n .05% THD @ 1KHz .4V p-p output\n 1.9mA current draw(~370 Hr 9V Alkaline life)\n 26.4dB gain 3dB BW: 38Hz to 12KHz\n Z-out= 387 Ohm @ 1KHz\n 1.2<EFBFBD>V input referred noise from 10Hz to 20KHz(with voltage source input)\n 11 Parts: 4 C's, 2 Q's, 7 R's
TEXT -800 128 Left 2 !.model ElectretMic D(Ron=1.15K Ilimit=400u)\n \n.model 2N5458 NJF(Beta=488.9u Betatce=-.5 Rd=1 Rs=1 Lambda=3.167m Vto=-2.882\n+ Vtotc=-2.5m Is=181.3f Isr=1.747p N=1 Nr=2 Xti=3 Alpha=2.543u Vk=152.2\n+ Cgd=4p M=.3114 Pb=.5 Fc=.5 Cgs=4.627p Kf=4.284E-18 Af=1)

17
examples/Educational/PAsystem/MylarCap.asy Normal file
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Version 4
SymbolType CELL
LINE Normal -4 -7 -4 -57
LINE Normal 4 -7 4 -57
ARC Normal -16 -16 16 16 -4 -15 4 -15
ARC Normal -8 -72 8 -56 4 -57 -4 -57
ARC Normal 8 8 -8 -8 -4 -7 4 -7
ARC Normal -57 -57 57 57 -4 -63 4 -63
SYMATTR Prefix C
SYMATTR Description .33uF Mylar cap
SYMATTR Value C
PIN 0 -64 NONE 0
PINATTR PinName A
PINATTR SpiceOrder 1
PIN 0 0 NONE 0
PINATTR PinName B
PINATTR SpiceOrder 2

317
examples/Educational/PAsystem/PowerAmp.asc Normal file
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Version 4
SHEET 1 2208 904
WIRE -512 48 -704 48
WIRE -224 48 -512 48
WIRE -144 48 -224 48
WIRE -48 48 -144 48
WIRE 48 48 -48 48
WIRE 256 48 48 48
WIRE 496 48 256 48
WIRE 576 48 496 48
WIRE -512 64 -512 48
WIRE -144 64 -144 48
WIRE -48 64 -48 48
WIRE 256 64 256 48
WIRE -560 96 -640 96
WIRE -544 96 -560 96
WIRE 368 96 336 96
WIRE 432 96 368 96
WIRE -560 160 -560 96
WIRE -512 160 -512 144
WIRE 256 160 256 144
WIRE 368 160 368 96
WIRE -144 192 -144 144
WIRE -64 192 -144 192
WIRE -704 208 -704 192
WIRE -624 208 -704 208
WIRE -352 208 -448 208
WIRE -320 208 -352 208
WIRE -160 208 -240 208
WIRE -32 208 -64 192
WIRE 64 208 -32 208
WIRE 160 208 144 208
WIRE 192 208 160 208
WIRE 496 208 496 192
WIRE 496 208 432 208
WIRE 672 208 672 192
WIRE -704 224 -704 208
WIRE -128 224 -160 208
WIRE -48 224 -48 144
WIRE -48 224 -128 224
WIRE 496 224 496 208
WIRE -544 272 -544 96
WIRE -512 272 -512 256
WIRE -512 272 -544 272
WIRE -432 272 -512 272
WIRE -352 272 -352 208
WIRE -352 272 -368 272
WIRE -224 272 -224 48
WIRE 48 272 48 48
WIRE 160 272 160 208
WIRE 256 272 256 256
WIRE 256 272 224 272
WIRE 336 272 336 96
WIRE 336 272 256 272
WIRE 672 304 672 288
WIRE -704 320 -704 304
WIRE -704 320 -832 320
WIRE -560 320 -560 256
WIRE -560 320 -704 320
WIRE -352 320 -560 320
WIRE 368 320 368 256
WIRE 368 320 144 320
WIRE 496 320 496 304
WIRE 496 320 368 320
WIRE 624 320 496 320
WIRE -704 336 -704 320
WIRE -352 336 -352 320
WIRE 144 336 144 320
WIRE 496 336 496 320
WIRE -512 352 -512 272
WIRE 256 352 256 272
WIRE -560 384 -560 320
WIRE -144 384 -144 192
WIRE -48 384 -48 224
WIRE 368 384 368 320
WIRE -704 432 -704 416
WIRE -624 432 -704 432
WIRE -352 432 -352 416
WIRE -224 432 -224 352
WIRE -224 432 -352 432
WIRE -208 432 -224 432
WIRE 48 432 48 352
WIRE 48 432 16 432
WIRE 144 432 144 416
WIRE 144 432 48 432
WIRE 496 432 496 416
WIRE 496 432 432 432
WIRE -352 448 -352 432
WIRE 144 448 144 432
WIRE -704 464 -704 432
WIRE 496 464 496 432
WIRE -560 496 -560 480
WIRE -512 496 -512 416
WIRE -512 496 -560 496
WIRE -224 496 -224 432
WIRE -144 496 -144 480
WIRE -96 496 -144 496
WIRE -48 496 -48 480
WIRE -48 496 -96 496
WIRE 48 496 48 432
WIRE 256 496 256 416
WIRE 368 496 368 480
WIRE 368 496 256 496
WIRE -512 512 -512 496
WIRE -96 512 -96 496
WIRE 256 512 256 496
WIRE -560 560 -560 496
WIRE -560 560 -640 560
WIRE 368 560 368 496
WIRE 432 560 368 560
WIRE -512 608 -512 592
WIRE -512 608 -704 608
WIRE -224 608 -224 576
WIRE -224 608 -512 608
WIRE -96 608 -96 592
WIRE -96 608 -224 608
WIRE 48 608 48 576
WIRE 48 608 -96 608
WIRE 144 608 144 592
WIRE 144 608 48 608
WIRE 256 608 256 592
WIRE 256 608 144 608
WIRE 496 608 256 608
WIRE 560 608 496 608
WIRE -832 640 -832 320
WIRE -128 640 -832 640
WIRE 624 640 624 320
WIRE 624 640 16 640
WIRE -128 704 -128 640
WIRE -96 704 -128 704
WIRE 16 704 16 640
WIRE 16 704 -16 704
WIRE -352 720 -352 592
WIRE -352 816 -352 800
FLAG 672 192 +V
FLAG 672 304 0
FLAG 576 48 +V
FLAG -352 816 0
FLAG 560 608 0
SYMBOL ndarlington 496 112 R0
WINDOW 0 46 -23 Left 2
WINDOW 3 41 39 Left 2
WINDOW 123 41 67 Left 0
SYMATTR InstName Q11
SYMATTR Value TIP121
SYMATTR Prefix X
SYMBOL pdarlington 496 544 R0
WINDOW 0 40 -40 Left 2
WINDOW 3 36 32 Left 2
WINDOW 123 14 91 Left 0
SYMATTR InstName Q12
SYMATTR Value TIP127
SYMATTR Prefix X
SYMBOL voltage 672 192 R0
SYMATTR InstName V1
SYMATTR Value 19.5
SYMBOL res 0 688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Speaker
SYMATTR Value 8
SYMBOL res 480 208 R0
SYMATTR InstName R2
SYMATTR Value .4
SYMBOL res 480 320 R0
SYMATTR InstName R3
SYMATTR Value .4
SYMBOL pnp 192 256 M180
WINDOW 0 48 66 Left 2
WINDOW 3 42 30 Left 2
SYMATTR InstName Q1
SYMATTR Value 2N3906
SYMBOL res 240 48 R0
SYMATTR InstName R4
SYMATTR Value 500
SYMBOL diode 240 352 R0
WINDOW 123 40 31 Left 2
SYMATTR Value 1N4148
SYMATTR Value2 N=4
SYMATTR InstName D1
SYMBOL cap 224 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 200p
SYMBOL res 240 496 R0
SYMATTR InstName R5
SYMATTR Value 3K
SYMBOL res 160 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10K
SYMBOL npn -208 384 R0
WINDOW 0 48 29 Left 2
WINDOW 3 45 67 Left 2
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL npn 16 384 M0
WINDOW 0 27 0 Right 2
WINDOW 3 71 127 Right 2
SYMATTR InstName Q3
SYMATTR Value 2N3904
SYMBOL res -160 48 R0
SYMATTR InstName R7
SYMATTR Value 5K
SYMBOL res -64 48 R0
SYMATTR InstName R8
SYMATTR Value 5K
SYMBOL res -112 496 R0
SYMATTR InstName R9
SYMATTR Value 10K
SYMBOL cap 128 528 R0
SYMATTR InstName C2
SYMATTR Value .33<EFBFBD>
SYMBOL res 128 320 R0
SYMATTR InstName R10
SYMATTR Value 200K
SYMBOL res 128 432 R0
SYMATTR InstName R11
SYMATTR Value 10K
SYMBOL ndarlington -704 112 M0
WINDOW 0 46 -23 Left 2
WINDOW 3 41 39 Left 2
WINDOW 123 41 67 Left 0
SYMATTR InstName Q9
SYMATTR Value TIP121
SYMATTR Prefix X
SYMBOL pdarlington -704 544 M0
WINDOW 0 40 -40 Left 2
WINDOW 3 40 19 Left 2
WINDOW 123 9 95 Left 0
SYMATTR InstName Q10
SYMATTR Value TIP127
SYMATTR Prefix X
SYMBOL res -720 208 R0
SYMATTR InstName R12
SYMATTR Value .4
SYMBOL res -720 320 R0
SYMATTR InstName R13
SYMATTR Value .4
SYMBOL pnp -448 256 R180
WINDOW 0 48 66 Left 2
WINDOW 3 48 -3 Right 2
SYMATTR InstName Q4
SYMATTR Value 2N3906
SYMBOL res -528 48 R0
SYMATTR InstName R14
SYMATTR Value 500
SYMBOL diode -528 352 R0
WINDOW 123 38 29 Left 2
SYMATTR Value 1N4148
SYMATTR Value2 N=4
SYMATTR InstName D2
SYMBOL cap -432 256 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 200p
SYMBOL res -528 496 R0
SYMATTR InstName R15
SYMATTR Value 3K
SYMBOL res -336 224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R16
SYMATTR Value 10K
SYMBOL cap -368 528 R0
SYMATTR Value .33<EFBFBD>
SYMATTR InstName C4
SYMBOL res -368 320 R0
SYMATTR InstName R17
SYMATTR Value 200K
SYMBOL res -368 432 R0
SYMATTR InstName R18
SYMATTR Value 10K
SYMBOL res -240 256 R0
SYMATTR InstName R19
SYMATTR Value 50K
SYMBOL res -240 480 R0
SYMATTR InstName R20
SYMATTR Value 50K
SYMBOL res 32 480 R0
SYMATTR InstName R21
SYMATTR Value 50K
SYMBOL res 32 256 R0
SYMATTR InstName R22
SYMATTR Value 50K
SYMBOL voltage -352 704 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value sine(0 {A} 1K)
SYMBOL npn 432 160 M0
WINDOW 0 48 -7 Right 2
WINDOW 3 42 109 Right 2
SYMATTR InstName Q5
SYMATTR Value 2N3904
SYMBOL pnp 432 480 R180
WINDOW 0 48 109 Right 2
WINDOW 3 56 -3 Right 2
SYMATTR InstName Q6
SYMATTR Value 2N3906
SYMBOL npn -624 160 R0
WINDOW 0 48 -7 Right 2
WINDOW 3 55 117 Right 2
SYMATTR InstName Q7
SYMATTR Value 2N3904
SYMBOL pnp -624 480 M180
WINDOW 0 48 99 Right 2
WINDOW 3 56 -3 Right 2
SYMATTR InstName Q8
SYMATTR Value 2N3906
TEXT 440 736 Left 2 !.tran 5m
TEXT 104 672 Left 2 !.four 1K I(Speaker)\n.option plotwinsize=0
TEXT 112 760 Left 2 !.step param A .1 .7 .1
TEXT 416 672 Left 2 !.lib TIP121.LIB\n.lib TIP127.LIB

309
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Version 4
SHEET 1 1856 1012
WIRE 512 -80 480 -80
WIRE 672 -80 512 -80
WIRE 512 -64 512 -80
WIRE 672 -64 672 -80
WIRE 816 -64 736 -64
WIRE 448 -32 208 -32
WIRE 512 -32 544 -64
WIRE 576 -32 640 -64
WIRE 736 -32 672 -64
WIRE 880 -32 736 -32
WIRE 480 0 480 -80
WIRE 544 0 544 -32
WIRE 576 0 544 0
WIRE 768 0 736 -32
WIRE 880 0 880 -32
WIRE 544 32 544 0
WIRE 608 32 736 -64
WIRE 608 32 576 32
WIRE 672 32 736 0
WIRE 208 64 208 -32
WIRE 512 64 512 -32
WIRE 608 64 672 32
WIRE 704 64 704 32
WIRE 448 96 448 32
WIRE 480 96 480 32
WIRE 512 96 480 96
WIRE 544 96 576 32
WIRE 736 96 736 64
WIRE 736 96 608 96
WIRE 912 96 736 96
WIRE 480 128 480 96
WIRE 608 128 608 96
WIRE 608 128 560 128
WIRE 736 128 736 96
WIRE 480 160 480 128
WIRE 608 160 608 128
WIRE 704 160 704 128
WIRE 432 176 448 128
WIRE 560 192 560 128
WIRE 608 192 672 160
WIRE 816 192 736 192
WIRE 880 224 880 80
WIRE 880 224 736 224
WIRE 752 240 736 224
WIRE 880 240 880 224
WIRE 512 256 512 128
WIRE 640 256 736 192
WIRE 640 256 608 224
WIRE 672 256 736 224
WIRE 704 256 672 160
WIRE 736 256 704 256
WIRE 704 288 544 288
WIRE 448 304 560 192
WIRE 464 304 512 256
WIRE 624 304 480 192
WIRE 448 320 448 304
WIRE 512 320 480 320
WIRE 544 320 544 288
WIRE 544 320 512 320
WIRE 704 320 704 288
WIRE 704 320 672 320
WIRE 816 320 736 320
WIRE 912 320 912 96
WIRE 480 352 448 352
WIRE 544 352 512 352
WIRE 576 352 640 320
WIRE 736 352 672 320
WIRE 768 352 768 0
WIRE 768 352 736 352
WIRE 464 368 464 304
WIRE 448 384 464 368
WIRE 576 384 544 384
WIRE 448 416 448 384
WIRE 480 416 480 352
WIRE 512 416 512 352
WIRE 544 416 544 384
WIRE 608 416 736 320
WIRE 608 416 576 416
WIRE 672 416 736 384
WIRE 448 448 448 416
WIRE 480 448 480 416
WIRE 512 448 480 448
WIRE 608 448 672 416
WIRE 704 448 704 416
WIRE 432 464 432 176
WIRE 624 464 624 304
WIRE 448 480 432 464
WIRE 480 480 448 480
WIRE 544 480 576 416
WIRE 608 480 624 464
WIRE 736 480 736 448
WIRE 736 480 608 480
WIRE 912 480 912 400
WIRE 912 480 736 480
WIRE 736 512 736 480
WIRE 608 544 608 480
WIRE 704 544 704 512
WIRE 512 576 512 480
WIRE 608 576 672 544
WIRE 816 576 736 576
WIRE 752 592 752 240
WIRE 736 608 752 592
WIRE 208 640 208 144
WIRE 480 640 480 480
WIRE 480 640 208 640
WIRE 512 640 480 640
WIRE 640 640 736 576
WIRE 640 640 608 608
WIRE 672 640 736 608
WIRE 704 640 672 544
WIRE 736 640 704 640
WIRE 480 656 480 640
WIRE 672 656 672 640
WIRE 672 656 480 656
FLAG 880 240 0
SYMBOL 2N3906 576 0 R180
WINDOW 0 -14 0 Center 2
SYMATTR InstName Q1
SYMBOL 2N3904 512 96 R0
WINDOW 0 -5 0 Center 0
SYMATTR InstName Q3
SYMBOL 2N3904 480 416 R90
WINDOW 0 -12 -7 VCenter 2
SYMATTR InstName Q4
SYMBOL rn55upright 512 -32 R0
WINDOW 0 0 0 Invisible 0
SYMATTR InstName R2
SYMATTR Value 5K
SYMATTR Type rn55
SYMBOL 2N3904 608 64 R0
WINDOW 0 -17 -3 Center 2
SYMATTR InstName Q9
SYMBOL 2N3906 608 192 R180
WINDOW 0 9 -17 Invisible 0
SYMATTR InstName Q10
SYMBOL RN55upright 640 -64 R90
WINDOW 0 -16 -16 Invisible 0
SYMATTR InstName R12
SYMATTR Value 500
SYMBOL RN55upright 640 256 R90
WINDOW 0 -16 -16 VBottom 2
SYMATTR InstName R13
SYMATTR Value 3K
SYMBOL SMdiode 816 -32 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL SMcap 544 64 M0
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL rn55upright 480 32 R0
WINDOW 0 0 0 Invisible 0
SYMATTR InstName R17
SYMATTR Value 50K
SYMATTR Type rn55
SYMBOL rn55upright 512 480 R0
WINDOW 0 -3 3 Invisible 0
SYMATTR InstName R21
SYMATTR Value 10K
SYMATTR Type rn55
SYMBOL rn55upright 448 96 M270
WINDOW 0 16 -16 Invisible 0
SYMATTR InstName R22
SYMATTR Value 10K
SYMATTR Type rn55
SYMBOL SMcap 448 0 R180
SYMATTR InstName C3
SYMATTR Value .33<EFBFBD>
SYMBOL 2N3906 576 384 R180
WINDOW 0 -24 -1 Invisible 0
SYMATTR InstName Q2
SYMBOL 2N3904 608 448 R0
WINDOW 0 -17 -3 Invisible 0
SYMATTR InstName Q11
SYMBOL 2N3906 608 576 R180
WINDOW 0 2 -16 Invisible 0
SYMATTR InstName Q12
SYMBOL RN55upright 640 320 R90
WINDOW 0 -16 -16 Invisible 0
SYMATTR InstName R23
SYMATTR Value 500
SYMBOL RN55upright 640 640 R90
WINDOW 0 -16 -16 VBottom 2
SYMATTR InstName R24
SYMATTR Value 3K
SYMBOL SMcap 544 448 M0
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL voltage 208 48 R0
WINDOW 123 39 60 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V2
SYMATTR Value SINE(0 {A} 1K)
SYMBOL RN55upright 544 352 R180
WINDOW 0 -18 -30 Invisible 0
SYMATTR InstName R25
SYMATTR Value 10K
SYMBOL RN55upright 544 -64 R180
WINDOW 0 -18 -30 Invisible 0
SYMATTR InstName R14
SYMATTR Value 10K
SYMBOL RN55upright 448 480 R0
WINDOW 0 -18 -30 Invisible 0
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL RN55upright 480 480 R0
WINDOW 0 -18 -30 Invisible 0
SYMATTR InstName R16
SYMATTR Value 50K
SYMBOL RN55upright 480 352 R0
WINDOW 0 -18 -30 Invisible 0
SYMATTR InstName R15
SYMATTR Value 50K
SYMBOL RN55upright 512 352 R0
WINDOW 0 -18 -30 Invisible 0
SYMATTR InstName R3
SYMATTR Value 5K
SYMBOL RN55upright 448 352 R0
WINDOW 0 -18 -30 Invisible 0
SYMATTR InstName R28
SYMATTR Value 200K
SYMBOL RN55upright 480 160 R180
WINDOW 0 -18 -30 Invisible 0
SYMATTR InstName R20
SYMATTR Value 200K
SYMBOL RN55upright 480 128 M90
WINDOW 0 -16 -16 Invisible 0
SYMATTR InstName R18
SYMATTR Value 50K
SYMBOL UprightPowerResistor 672 32 R90
SYMATTR Value .2
SYMATTR InstName R26
SYMBOL UprightPowerResistor 672 160 R90
SYMATTR Value .2
SYMATTR InstName R5
SYMBOL UprightPowerResistor 736 64 R270
SYMATTR Value .2
SYMATTR InstName R4
SYMBOL UprightPowerResistor 736 128 R270
SYMATTR Value .2
SYMATTR InstName R6
SYMBOL UprightPowerResistor 736 448 R270
SYMATTR Value .2
SYMATTR InstName R7
SYMBOL UprightPowerResistor 672 416 R90
SYMATTR Value .2
SYMATTR InstName R8
SYMBOL UprightPowerResistor 672 544 R90
SYMATTR Value .2
SYMATTR InstName R9
SYMBOL UprightPowerResistor 736 512 R270
SYMATTR Value .2
SYMATTR InstName R10
SYMBOL SMdiode 816 32 R0
WINDOW 0 -1 -1 VCenter 0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL SMdiode 816 96 R0
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL SMdiode 816 160 R0
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL SMdiode 816 352 R0
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL SMdiode 816 416 R0
SYMATTR InstName D6
SYMATTR Value 1N4148
SYMBOL SMdiode 816 480 R0
SYMATTR InstName D7
SYMATTR Value 1N4148
SYMBOL SMdiode 816 544 R0
SYMATTR InstName D8
SYMATTR Value 1N4148
SYMBOL MylarCap 512 576 R180
SYMATTR Value .33<EFBFBD>
SYMATTR InstName C5
SYMBOL res 896 304 R0
SYMATTR InstName Speaker
SYMATTR Value 8
SYMBOL voltage 880 -16 R0
SYMATTR Value 19.5
SYMATTR InstName V3
SYMBOL TIP121 736 -32 R180
WINDOW 0 -38 -2 Center 2
SYMATTR InstName Q5
SYMATTR Prefix X
SYMBOL TIP121 736 352 R180
WINDOW 0 -38 -2 Center 2
SYMATTR InstName Q7
SYMATTR Prefix X
SYMBOL TIP127 736 224 R180
WINDOW 0 -34 -1 Center 2
SYMATTR InstName Q6
SYMATTR Prefix X
SYMBOL TIP127 736 608 R180
WINDOW 0 -34 -1 Center 2
SYMATTR InstName Q8
SYMATTR Prefix X
TEXT 800 608 Left 2 !.lib TIP121.LIB\n.lib TIP127.LIB
TEXT 336 -56 Left 2 ;1" x 2.3"
TEXT 1064 312 Left 2 !.tran 0 10m 0 1u
TEXT 1040 432 Left 2 !.step param A .1 .7 .1
TEXT 1080 -48 Left 2 ;--- THD ---\n0.5W 0.07%\n1.0W 0.08%\n2.0W 0.11%\n3.0W 0.15%\n4.0W 0.21%\n5.0W 0.28%\n6.0W 0.37%\n7.0W 0.56%\n8.0W 1.13%\n9.0W 4.05%\n10.W 9.06%
TEXT 1064 360 Left 2 !.four 1K I(Speaker)\n.option plotwinsize=0
TEXT 1024 496 Left 2 ;Notes:\n 1. Q5, Q6, Q7 and Q8 are on a heat sink.\n 2. D1 and D2 are epoxied onto the front side of Q5.\n 3. D3 and D4 are epoxied onto the front side of Q6.\n 4. D5 and D6 are epoxied onto the front side of Q7.\n 5. D6 and D8 are epoxied onto the front side of Q8.
RECTANGLE Normal 752 656 432 -80 2

17
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Version 4
SymbolType CELL
LINE Normal -4 -7 -4 -25
LINE Normal 4 -7 4 -25
ARC Normal -16 -16 16 16 -4 -15 4 -15
ARC Normal -8 -40 8 -24 4 -25 -4 -25
ARC Normal 8 8 -8 -8 -4 -7 4 -7
WINDOW 0 -18 -30 VCenter 2
SYMATTR Prefix R
SYMATTR Description RN-55 Resistor
SYMATTR Value R
PIN 0 -32 NONE 0
PINATTR PinName A
PINATTR SpiceOrder 1
PIN 0 0 NONE 0
PINATTR PinName B
PINATTR SpiceOrder 2

71
examples/Educational/PAsystem/ReadMe.txt Normal file
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When I deliver seminars, I usually travel with
a sound system instead of relying on renting
one from the conference facility. I carried a
mixer console, power amp and speaker in one
wheeled piece of luggage. There was a rack-
mounted wireless mic system in another rolling
bag. I daintily carried the microphone, the
same model as Britney Spears uses, in my pocket
because it was expensive and didn't want it
banged up by all the heavy sound gear I was
dragging along. Navigating unfamiliar airports
solo with a two rolling pieces of luggage and
a heavy brief case around my neck is difficult.
So I decided to make my own PA system. First of
all I really didn't need a wireless mic. Handsfree
is the right paradigm. HandsFreePreamp.asc is the
schematic of a microphone that works well with the
electret mics that are intended for handsfree cell
phone operation. Basing the system on such a mic
also meant that I could replace the most important
part of the system from a roadside convenience
store if required. The points to the design are
(i) a higher-valued resistor is used for reading
out the mic current(10K instead of 2K as is more
common). This gives this preamp an edge in S/N
because the signal grows like the resistance but
the noise goes like the square root of the
resistance. (ii) The FET input gives low noise at
this high impedance and (iii) even though it's
class A, feedback is used to reduce distortion and
reduce the output impedance. The larger than
normal-valued output capacitor that you see is
used to short the cable to this low impedance.
PowerAmp.asc is the schematic of the power amp
I use. The idea behind the design is to have
a bullet-proof circuit that runs off of the same
voltage as my notebook power brick. That gave
me international power capability and a spare
notebook supply, which is also replaceable at
most field conference sites. I used discreet
components over IC's because they were more
available, better documented, and more forgiving
of the input voltage range of my notebook
powerbrick, than the automotive power amp IC's
that first caught my attention.
The circuits where build on plated-through hole
perfboard. The layout is shown in
HandsFreeLayout.asc and PowerAmpLayout.asc.
For speakers, I was planning on being able to
use a 5 1/2" woofer from my un-used home
theater center speaker. But that "woofer" made
voice sound like a public address from the movie
M.A.S.H. So, instead I used a pair of 4 Ohm car
audio speakers in series. This worked out well
because (i) they are thin(to mount in car door
panels) and (ii) have polypropylene cones to
handle adverse environments, like the frozen
luggage compartments of commercial aviation.
The box was vented with a 1/4-20 nut that serves
as a tripod mount and equalized the sealed speaker
cabinet for the air pressure changes of flight.
Now I have a PA system that fits in a suit case.
I guess my next project should be a compact
teleprompter.
--Mike

18
examples/Educational/PAsystem/SMcap.asy Normal file
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Version 4
SymbolType CELL
LINE Normal 16 32 16 -31
LINE Normal -16 31 -16 -32
CIRCLE Normal 4 -28 -4 -36
CIRCLE Normal 4 36 -4 28
ARC Normal -16 -48 16 -16 16 -31 -16 -32
ARC Normal 16 48 -16 16 -16 31 16 32
WINDOW 0 0 0 VCenter 2
SYMATTR Prefix C
SYMATTR Description Capacitor
SYMATTR Value C
PIN 0 -32 NONE 0
PINATTR PinName A
PINATTR SpiceOrder 1
PIN 0 32 NONE 0
PINATTR PinName B
PINATTR SpiceOrder 2

29
examples/Educational/PAsystem/SMdiode.asy Normal file
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Version 4
SymbolType CELL
LINE Normal 5 27 -5 27
LINE Normal 5 37 -5 37
LINE Normal -5 37 -5 27
LINE Normal 5 37 5 27
LINE Normal 16 23 16 -23
LINE Normal -16 -23 16 -23
LINE Normal 0 -23 0 -32
LINE Normal 0 32 0 23
LINE Normal -16 23 16 23
LINE Normal -16 23 -16 -23
LINE Normal -16 22 16 22
LINE Normal -16 21 16 21
LINE Normal -16 20 16 20
LINE Normal -16 19 16 19
LINE Normal -16 18 16 18
LINE Normal -16 17 16 17
CIRCLE Normal 4 -28 -4 -36
WINDOW 0 0 0 VCenter 2
SYMATTR Prefix D
SYMATTR Description diode
SYMATTR Value D
PIN 0 -32 NONE 0
PINATTR PinName A
PINATTR SpiceOrder 1
PIN 0 32 NONE 0
PINATTR PinName C
PINATTR SpiceOrder 2

50
examples/Educational/PAsystem/TIP121.LIB Normal file
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**************************************
* Model Generated by MODPEX *
*Copyright(c) Symmetry Design Systems*
* All Rights Reserved *
* UNPUBLISHED LICENSED SOFTWARE *
* Contains Proprietary Information *
* Which is The Property of *
* SYMMETRY OR ITS LICENSORS *
* Modeling services provided by *
* Interface Technologies www.i-t.com *
**************************************
.SUBCKT tip121 1 2 3
* Model generated on Feb 8, 2004
* Model format: PSpice
* Darlington macro model
* External node designations
* Node 1 -> Collect
* Node 2 -> Base
* Node 3 -> Emitter
Q1 1 2 4 qmodel
Q2 1 4 3 q1model 2.80758
D1 3 1 dmodel
R1 2 4 10000
R2 4 3 1000
* Default values used in dmodel
* EG=1.11 TT=0 BV=infinite
.MODEL dmodel d
+IS=1e-12 RS=10 N=1 XTI=3
+CJO=0 VJ=0.75 M=0.33 FC=0.5
.MODEL qmodel npn
+IS=3.29109e-14 BF=391.787 NF=0.894469 VAF=33.1384
+IKF=0.198445 ISE=1.21403e-10 NE=1.6375 BR=0.1
+NR=1.34795 VAR=135.277 IKR=0.137744 ISC=1.01287e-13
+NC=1.97483 RB=4.90772 IRB=0.200762 RBM=4.90772
+RE=0.0826202 RC=0.413101 XTB=0.584577 XTI=2.92564 EG=1.05
+CJE=2.09731e-10 VJE=0.95 MJE=0.23 TF=1e-09
+XTF=1 VTF=10 ITF=0.01 CJC=1.53283e-10
+VJC=0.95 MJC=0.23 XCJC=0.9 FC=0.5
+TR=1e-07 PTF=0 KF=0 AF=1
.MODEL q1model npn
+IS=3.29109e-14 BF=391.787 NF=0.894469 VAF=33.1384
+IKF=0.198445 ISE=1.21403e-10 NE=1.6375 BR=0.1
+NR=1.34795 VAR=135.277 IKR=0.137744 ISC=1.01287e-13
+NC=1.97483 RB=4.90772 IRB=0.200762 RBM=4.90772
+RE=0.0826202 RC=0.413101 XTB=0.584577 XTI=2.92564 EG=1.05
+CJE=2.09731e-10 VJE=0.95 MJE=0.23 TF=1e-09
+XTF=1 VTF=10 ITF=0.01 CJC=0
+VJC=0.95 MJC=0.23 XCJC=0.9 FC=0.5
+TR=1e-07 PTF=0 KF=0 AF=1
.ENDS

45
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Version 4
SymbolType CELL
LINE Normal 14 -37 8 -37
LINE Normal 14 -25 8 -25
LINE Normal 11 -31 8 -31
LINE Normal 8 -25 8 -37
LINE Normal 11 26 8 26
LINE Normal 11 38 8 38
LINE Normal 11 32 8 32
LINE Normal 8 38 8 26
LINE Normal 11 26 13 28
LINE Normal 13 30 11 32
LINE Normal 11 32 13 34
LINE Normal 13 36 11 38
LINE Normal 13 28 13 30
LINE Normal 13 34 13 36
LINE Normal 10 -6 13 -6
LINE Normal 10 6 13 6
LINE Normal 10 -6 8 -4
LINE Normal 8 4 10 6
LINE Normal 8 -4 8 4
LINE Normal 16 48 16 -48
LINE Normal 5 27 -5 27
LINE Normal 5 37 -5 37
LINE Normal -5 37 -5 27
LINE Normal 5 37 5 27
LINE Normal -16 48 -16 -48
LINE Normal -11 48 -11 -48
LINE Normal 16 -48 -16 -48
LINE Normal 16 48 -16 48
CIRCLE Normal 4 -28 -4 -36
CIRCLE Normal 4 4 -4 -4
WINDOW 0 9 -58 Center 2
SYMATTR Prefix QN
SYMATTR Description TO-220
SYMATTR Value TIP121
PIN 0 0 NONE 0
PINATTR PinName C
PINATTR SpiceOrder 1
PIN 0 32 NONE 0
PINATTR PinName B
PINATTR SpiceOrder 2
PIN 0 -32 NONE 0
PINATTR PinName E
PINATTR SpiceOrder 3

50
examples/Educational/PAsystem/TIP127.LIB Normal file
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**************************************
* Model Generated by MODPEX *
*Copyright(c) Symmetry Design Systems*
* All Rights Reserved *
* UNPUBLISHED LICENSED SOFTWARE *
* Contains Proprietary Information *
* Which is The Property of *
* SYMMETRY OR ITS LICENSORS *
* Modeling services provided by *
* Interface Technologies www.i-t.com *
**************************************
.SUBCKT tip127 1 2 3
* Model generated on Dec 26, 2003
* Model format: PSpice
* Darlington macro model
* External node designations
* Node 1 -> Collect
* Node 2 -> Base
* Node 3 -> Emitter
Q1 1 2 4 qmodel
Q2 1 4 3 q1model 2.84905
D1 1 3 dmodel
R1 2 4 10000
R2 4 3 1000
* Default values used in dmodel
* EG=1.11 TT=0 BV=infinite
.MODEL dmodel d
+IS=1e-12 RS=10 N=1 XTI=3
+CJO=0 VJ=0.75 M=0.33 FC=0.5
.MODEL qmodel pnp
+IS=2.2383e-14 BF=390.271 NF=0.874443 VAF=38.5083
+IKF=0.202108 ISE=1.49947e-10 NE=1.64874 BR=0.1
+NR=1.32278 VAR=134.629 IKR=0.177707 ISC=1.03339e-13
+NC=1.97553 RB=4.89811 IRB=0.200734 RBM=4.89811
+RE=0.089979 RC=0.449895 XTB=0.584937 XTI=2.92881 EG=1.05
+CJE=2.09764e-10 VJE=0.95 MJE=0.23 TF=1e-09
+XTF=1 VTF=10 ITF=0.01 CJC=1.53285e-10
+VJC=0.95 MJC=0.23 XCJC=0.9 FC=0.5
+TR=1e-07 PTF=0 KF=0 AF=1
.MODEL q1model pnp
+IS=2.2383e-14 BF=390.271 NF=0.874443 VAF=38.5083
+IKF=0.202108 ISE=1.49947e-10 NE=1.64874 BR=0.1
+NR=1.32278 VAR=134.629 IKR=0.177707 ISC=1.03339e-13
+NC=1.97553 RB=4.89811 IRB=0.200734 RBM=4.89811
+RE=0.089979 RC=0.449895 XTB=0.584937 XTI=2.92881 EG=1.05
+CJE=2.09764e-10 VJE=0.95 MJE=0.23 TF=1e-09
+XTF=1 VTF=10 ITF=0.01 CJC=0
+VJC=0.95 MJC=0.23 XCJC=0.9 FC=0.5
+TR=1e-07 PTF=0 KF=0 AF=1
.ENDS

45
examples/Educational/PAsystem/TIP127.asy Normal file
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Version 4
SymbolType CELL
LINE Normal 14 -37 8 -37
LINE Normal 14 -25 8 -25
LINE Normal 11 -31 8 -31
LINE Normal 8 -25 8 -37
LINE Normal 11 26 8 26
LINE Normal 11 38 8 38
LINE Normal 11 32 8 32
LINE Normal 8 38 8 26
LINE Normal 11 26 13 28
LINE Normal 13 30 11 32
LINE Normal 11 32 13 34
LINE Normal 13 36 11 38
LINE Normal 13 28 13 30
LINE Normal 13 34 13 36
LINE Normal 10 -6 13 -6
LINE Normal 10 6 13 6
LINE Normal 10 -6 8 -4
LINE Normal 8 4 10 6
LINE Normal 8 -4 8 4
LINE Normal 16 48 16 -48
LINE Normal 5 27 -5 27
LINE Normal 5 37 -5 37
LINE Normal -5 37 -5 27
LINE Normal 5 37 5 27
LINE Normal -16 48 -16 -48
LINE Normal -11 48 -11 -48
LINE Normal 16 -48 -16 -48
LINE Normal 16 48 -16 48
CIRCLE Normal 4 -28 -4 -36
CIRCLE Normal 4 4 -4 -4
WINDOW 0 9 -58 Center 2
SYMATTR Prefix QN
SYMATTR Description TO-220
SYMATTR Value TIP127
PIN 0 0 NONE 0
PINATTR PinName C
PINATTR SpiceOrder 1
PIN 0 32 NONE 0
PINATTR PinName B
PINATTR SpiceOrder 2
PIN 0 -32 NONE 0
PINATTR PinName E
PINATTR SpiceOrder 3

17
examples/Educational/PAsystem/UprightPowerResistor.asy Normal file
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Version 4
SymbolType CELL
LINE Normal -4 -7 -4 -25
LINE Normal 4 -7 4 -25
ARC Normal -16 -16 16 16 -4 -15 4 -15
ARC Normal -8 -40 8 -24 4 -25 -4 -25
ARC Normal 8 8 -8 -8 -4 -7 4 -7
ARC Normal -32 -32 32 32 -4 -31 4 -31
SYMATTR Prefix R
SYMATTR Description Power Resistor
SYMATTR Value R
PIN 0 -32 NONE 0
PINATTR PinName A
PINATTR SpiceOrder 1
PIN 0 0 NONE 0
PINATTR PinName B
PINATTR SpiceOrder 2

30
examples/Educational/PAsystem/coaxCap7.asy Normal file
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Version 4
SymbolType CELL
LINE Normal 32 95 32 -86
LINE Normal -32 96 -32 -86
LINE Normal 29 99 -28 99
LINE Normal 0 99 0 112
LINE Normal 4 -90 4 -96
LINE Normal 29 -90 4 -90
LINE Normal -4 -90 -4 -96
LINE Normal -4 -90 -29 -90
LINE Normal 0 -102 -4 -96
LINE Normal 4 -96 0 -102
LINE Normal 0 -112 0 -102
RECTANGLE Normal 5 -107 -5 -117
CIRCLE Normal 4 -108 -4 -116
CIRCLE Normal 4 116 -4 108
ARC Normal -32 99 -25 92 -32 96 -28 99
ARC Normal 32 99 25 92 29 99 32 95
ARC Normal -32 -90 -25 -83 -29 -90 -32 -86
ARC Normal 32 -90 25 -83 32 -86 29 -90
WINDOW 0 0 0 VCenter 2
SYMATTR Prefix C
SYMATTR Description Capacitor
SYMATTR Value C
PIN 0 -112 NONE 0
PINATTR PinName A
PINATTR SpiceOrder 1
PIN 0 112 NONE 0
PINATTR PinName B
PINATTR SpiceOrder 2

64
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Version 4
SymbolType BLOCK
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LINE Normal -48 -16 -32 -48
LINE Normal -48 -16 -32 16
LINE Normal -32 16 -35 4
LINE Normal -32 16 -40 7
LINE Normal -35 4 -40 7
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LINE Normal -16 32 0 0
LINE Normal -16 32 0 64
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LINE Normal -3 52 -8 55
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LINE Normal -30 43 -34 47
LINE Normal -34 47 -30 51
LINE Normal -30 51 -34 55
LINE Normal -34 55 -30 59
LINE Normal -30 59 -32 61
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LINE Normal -53 0 -57 4
LINE Normal -57 4 -53 8
LINE Normal -53 8 -57 12
LINE Normal -57 12 -53 16
LINE Normal -53 16 -55 18
LINE Normal -32 41 -32 32
LINE Normal -32 70 -32 61
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LINE Normal -55 -2 -55 -16
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LINE Normal -32 32 -32 16
LINE Normal -55 18 -55 32
LINE Normal 20 3 44 3
LINE Normal 20 19 32 3
LINE Normal 32 3 44 19
LINE Normal 20 19 44 19
LINE Normal 32 -48 32 3
LINE Normal 32 19 32 70
LINE Normal -32 70 32 70
LINE Normal -32 -48 32 -48
CIRCLE Normal -31 33 -33 31
CIRCLE Normal -30 34 -34 30
CIRCLE Normal -29 35 -35 29
CIRCLE Normal 1 -47 -1 -49
CIRCLE Normal 2 -46 -2 -50
CIRCLE Normal 3 -45 -3 -51
CIRCLE Normal -54 -15 -56 -17
CIRCLE Normal -53 -14 -57 -18
CIRCLE Normal -52 -13 -58 -19
CIRCLE Normal 1 71 -1 69
CIRCLE Normal 2 72 -2 68
CIRCLE Normal 3 73 -3 67
PIN 0 -64 NONE 8
PINATTR PinName C
PINATTR SpiceOrder 1
PIN -64 -16 NONE 8
PINATTR PinName B
PINATTR SpiceOrder 2
PIN 0 80 NONE 8
PINATTR PinName E
PINATTR SpiceOrder 3

64
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Version 4
SymbolType BLOCK
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LINE Normal -48 16 -32 -16
LINE Normal -48 16 -32 48
LINE Normal -48 16 -41 8
LINE Normal -48 16 -45 5
LINE Normal -41 8 -45 5
LINE Normal -16 -16 -16 -48
LINE Normal -16 -32 0 -64
LINE Normal -16 -32 0 0
LINE Normal -16 -32 -9 -41
LINE Normal -16 -32 -13 -43
LINE Normal -9 -41 -13 -43
LINE Normal -32 48 32 48
LINE Normal 0 0 0 64
LINE Normal -55 -32 -16 -32
LINE Normal -32 -41 -34 -43
LINE Normal -34 -43 -30 -47
LINE Normal -30 -47 -34 -51
LINE Normal -34 -51 -30 -55
LINE Normal -30 -55 -34 -59
LINE Normal -34 -59 -32 -61
LINE Normal -55 2 -53 0
LINE Normal -53 0 -57 -4
LINE Normal -57 -4 -53 -8
LINE Normal -53 -8 -57 -12
LINE Normal -57 -12 -53 -16
LINE Normal -53 -16 -55 -18
LINE Normal -32 -41 -32 -32
LINE Normal -32 -70 -32 -61
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LINE Normal -55 2 -55 16
LINE Normal -64 16 -48 16
LINE Normal -32 -32 -32 -16
LINE Normal -55 -18 -55 -32
LINE Normal 21 -19 43 -19
LINE Normal 32 -19 43 -3
LINE Normal 32 -19 21 -3
LINE Normal 21 -3 43 -3
LINE Normal -32 -70 32 -70
LINE Normal 32 -70 32 -19
LINE Normal 32 -3 32 48
CIRCLE Normal -54 17 -56 15
CIRCLE Normal -53 18 -57 14
CIRCLE Normal -52 19 -58 13
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CIRCLE Normal -31 -31 -33 -33
CIRCLE Normal -30 -30 -34 -34
CIRCLE Normal -29 -29 -35 -35
CIRCLE Normal 1 49 -1 47
CIRCLE Normal 2 50 -2 46
CIRCLE Normal 3 51 -3 45
PIN 0 64 NONE 8
PINATTR PinName C
PINATTR SpiceOrder 1
PIN -64 16 NONE 8
PINATTR PinName B
PINATTR SpiceOrder 2
PIN 0 -80 NONE 8
PINATTR PinName E
PINATTR SpiceOrder 3

88
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Version 4
SHEET 1 1732 1576
WIRE 192 880 -256 880
WIRE -256 912 -256 880
WIRE 528 912 336 912
WIRE 896 912 592 912
WIRE 992 912 960 912
WIRE 1104 912 1072 912
WIRE 1168 912 1104 912
WIRE 1216 912 1168 912
WIRE 1392 912 1312 912
WIRE 1504 912 1392 912
WIRE 1616 912 1568 912
WIRE 1104 928 1104 912
WIRE 592 944 592 912
WIRE 896 944 864 944
WIRE 1312 944 1312 912
WIRE 528 960 528 912
WIRE 544 960 528 960
WIRE 1216 960 1216 912
WIRE 1264 960 1216 960
WIRE 544 1008 528 1008
WIRE 1104 1008 1104 992
WIRE 1264 1008 1232 1008
WIRE -256 1024 -256 992
WIRE 528 1040 528 1008
WIRE 592 1040 592 1024
WIRE 1232 1040 1232 1008
WIRE 1312 1040 1312 1024
WIRE 1168 1056 1168 912
WIRE 1168 1056 1056 1056
WIRE 864 1088 864 944
WIRE 912 1088 864 1088
FLAG -256 1024 0
FLAG -256 880 IN
FLAG 1104 1008 0
FLAG 1232 1040 0
FLAG 1312 1040 0
FLAG 528 1040 0
FLAG 592 1040 0
FLAG 1616 912 out
FLAG 1392 912 signal
SYMBOL SPECIALFUNCTIONS\\MODULATE 192 880 R0
WINDOW 0 37 -55 Left 2
WINDOW 3 55 119 Center 2
SYMATTR InstName A1
SYMATTR Value mark=1.1K space=.9K
SYMBOL RES 1088 896 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL cap 1088 928 R0
SYMATTR InstName C2
SYMATTR Value 1<>
SYMBOL SPECIALFUNCTIONS\\MODULATE 1056 1056 M0
WINDOW 0 55 -48 Right 2
WINDOW 3 61 119 Center 2
SYMATTR InstName A3
SYMATTR Value mark=2K space=0
SYMBOL DIGITAL\\XOR 944 864 R0
WINDOW 0 -33 16 Left 2
WINDOW 3 -43 120 Left 2
SYMATTR InstName A2
SYMATTR Value Ref=0
SYMBOL DIGITAL\\SCHMTBUF 1504 848 R0
WINDOW 0 3 36 Left 2
WINDOW 3 22 97 Center 2
SYMATTR InstName A4
SYMATTR Value Vt=.5 Vh=1m
SYMBOL E 1312 928 R0
WINDOW 123 24 132 Left 2
SYMATTR Value2 cache=2
SYMATTR InstName E2
SYMATTR Value Laplace=1./(1+.0005*s)**3
SYMBOL e 592 928 R0
WINDOW 3 -28 147 Center 2
WINDOW 39 -116 176 Left 2
SYMATTR Value Laplace={w0/Q}*s/(s*s+{w0/Q}*s+{w0*w0})
SYMATTR SpiceLine mtol=10 cache=2
SYMATTR InstName E1
SYMBOL BV -256 896 R0
SYMATTR InstName B1
SYMATTR Value V=rand(time*500) >= .5
TEXT -96 1240 Left 2 !.tran 300m
TEXT -96 1208 Left 2 !.params w0=2*pi*1K Q=5
TEXT -96 1280 Left 2 ;.options baudrate=500
TEXT 624 1336 Top 1 ;This example schematic is supplied for informational/educational purposes only.

27
examples/Educational/PLL.plt Normal file
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[Transient Analysis]
{
Npanes: 2
Active Pane: 1
{
traces: 1 {524290,0,"V(out)"}
X: ('m',0,0,0.03,0.29)
Y[0]: (' ',1,0,0.1,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1)
Log: 0 0 0
GridStyle: 1
EyeDiagPeriod: 0.002
EyeDiagDelay: 0.0006
},
{
traces: 1 {268959747,0,"V(in)"}
X: ('m',0,0,0.03,0.29)
Y[0]: (' ',1,0,0.1,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1)
Log: 0 0 0
GridStyle: 1
EyeDiagPeriod: 0.002
EyeDiagDelay: 0.0006
}
}

87
examples/Educational/PLL2.asc Normal file
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Version 4
SHEET 1 1812 1620
WIRE 32 880 -400 880
WIRE -400 896 -400 880
WIRE 1408 896 1328 896
WIRE 1520 896 1408 896
WIRE 1632 896 1584 896
WIRE 368 912 176 912
WIRE 848 912 432 912
WIRE 1328 912 1328 896
WIRE 432 928 432 912
WIRE 1056 928 976 928
WIRE 1136 928 1056 928
WIRE 1280 928 1136 928
WIRE 368 944 368 912
WIRE 384 944 368 944
WIRE 848 944 816 944
WIRE 1136 944 1136 928
WIRE 1280 976 1264 976
WIRE -400 992 -400 976
WIRE 384 992 368 992
WIRE 1328 1008 1328 992
WIRE 368 1024 368 992
WIRE 432 1024 432 1008
WIRE 1136 1040 1136 1024
WIRE 1136 1120 1136 1104
WIRE 1056 1184 1056 928
WIRE 1056 1184 1024 1184
WIRE 816 1216 816 944
WIRE 880 1216 816 1216
FLAG -400 992 0
FLAG -400 880 IN
FLAG 1264 976 0
FLAG 1328 1008 0
FLAG 368 1024 0
FLAG 432 1024 0
FLAG 1632 896 out
FLAG 1408 896 signal
FLAG 1136 1120 0
SYMBOL SPECIALFUNCTIONS\\MODULATE 32 880 R0
WINDOW 0 37 -55 Left 2
WINDOW 3 57 119 Center 2
SYMATTR InstName A1
SYMATTR Value mark=1.1K space=.9K
SYMBOL SPECIALFUNCTIONS\\MODULATE 1024 1184 M0
WINDOW 0 55 -43 Right 2
WINDOW 3 57 119 Center 2
SYMATTR InstName A3
SYMATTR Value mark=1.1K space=.9K
SYMBOL DIGITAL\\SCHMTBUF 1520 832 R0
WINDOW 0 1 33 Left 2
WINDOW 3 12 105 Center 2
SYMATTR InstName A4
SYMATTR Value Vt=.5 Vh=100m
SYMBOL E 1328 896 R0
WINDOW 0 32 28 Left 2
SYMATTR InstName E2
SYMATTR Value Laplace=1./(1+.0007*s)**3
SYMBOL e 432 912 R0
WINDOW 3 -25 150 Center 2
WINDOW 39 -31 183 Center 2
SYMATTR Value Laplace={w0/Q}*s /(s*s + {w0/Q}*s + {w0*w0})
SYMATTR SpiceLine window=.1 nfft=4096
SYMATTR InstName E1
SYMBOL BV -400 880 R0
SYMATTR InstName B1
SYMATTR Value V=rand(time*250) >= .5
SYMBOL DIGITAL\\PHIDET 880 928 R0
WINDOW 3 -16 72 Left 2
WINDOW 39 -28 140 Left 2
WINDOW 40 -16 176 Left 2
WINDOW 123 -16 104 Left 2
SYMATTR Value Iout=15u
SYMATTR SpiceLine Vhigh=2.5
SYMATTR SpiceLine2 Ref=0
SYMATTR Value2 Vlow=-.5
SYMATTR InstName A5
SYMBOL cap 1120 1040 R0
SYMATTR InstName C2
SYMATTR Value .0025<EFBFBD>
SYMBOL res 1120 928 R0
SYMATTR InstName R1
SYMATTR Value 1K
TEXT -224 1240 Left 2 !.tran 0 300m 10m
TEXT -224 1200 Left 2 !.params w0=2*pi*1K Q=5
TEXT -224 1280 Left 2 !;.options baudrate=250 delay=1.4m
TEXT 568 1336 Top 1 ;This example schematic is supplied for informational/educational purposes only.

22
examples/Educational/PLL2.plt Normal file
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[Transient Analysis]
{
Npanes: 2
{
traces: 1 {524291,0,"V(out)"}
X: ('m',0,0,0.03,0.29)
Y[0]: (' ',1,0,0.1,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {524290,0,"V(in)"}
X: ('m',0,0,0.03,0.29)
Y[0]: (' ',1,0,0.1,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1)
Log: 0 0 0
GridStyle: 1
}
}

128
examples/Educational/Pierce.asc Normal file
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Version 4
SHEET 1 3040 2472
WIRE 1904 1840 1888 1840
WIRE 2016 1840 1968 1840
WIRE 2048 1840 2016 1840
WIRE 2128 1840 2112 1840
WIRE 2016 1872 2016 1840
WIRE 1888 1952 1888 1840
WIRE 1968 1952 1888 1952
WIRE 2128 1952 2128 1840
WIRE 2128 1952 2032 1952
WIRE 2128 1968 2128 1952
WIRE 2544 2016 2496 2016
WIRE 2640 2016 2608 2016
WIRE 2128 2048 2128 2032
WIRE 2336 2048 2128 2048
WIRE 2448 2048 2384 2048
WIRE 2128 2064 2128 2048
WIRE 2336 2064 2336 2048
WIRE 2384 2064 2384 2048
WIRE 2496 2064 2496 2016
WIRE 2640 2112 2640 2016
WIRE 2704 2112 2640 2112
WIRE 2816 2112 2704 2112
WIRE 1888 2128 1888 1952
WIRE 2000 2128 1888 2128
WIRE 2080 2128 2000 2128
WIRE 2704 2128 2704 2112
WIRE 2816 2128 2816 2112
WIRE 1888 2144 1888 2128
WIRE 2000 2144 2000 2128
WIRE 2336 2160 2336 2144
WIRE 2336 2160 2272 2160
WIRE 2128 2176 2128 2160
WIRE 2272 2176 2272 2160
WIRE 2448 2176 2448 2048
WIRE 2496 2176 2496 2144
WIRE 2496 2176 2448 2176
WIRE 2448 2192 2448 2176
WIRE 2000 2224 2000 2208
WIRE 2384 2224 2384 2144
WIRE 2544 2224 2384 2224
WIRE 2640 2224 2640 2112
WIRE 2640 2224 2608 2224
WIRE 2704 2224 2704 2192
WIRE 2816 2224 2816 2208
WIRE 1888 2240 1888 2224
WIRE 2128 2272 2128 2256
WIRE 2272 2272 2272 2256
FLAG 2016 1872 0
FLAG 1888 2240 0
FLAG 2128 2272 0
FLAG 2272 2272 0
FLAG 2000 2224 0
FLAG 2448 2192 0
FLAG 2704 2224 0
FLAG 2816 2224 0
FLAG 2816 2112 OUT
SYMBOL MISC\\XTAL 2032 1936 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName Y1
SYMATTR Value 0.25p
SYMATTR SpiceLine Rser=0.1 Lser=0.001 Cpar=5e-011
SYMBOL NJF 2080 2064 R0
SYMATTR InstName J1
SYMATTR Value 2N5484
SYMBOL cap 2112 1968 R0
SYMATTR InstName C3
SYMATTR Value 200p
SYMBOL cap 2112 1824 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 100p
SYMBOL cap 1968 1824 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 25p
SYMBOL RES 1872 2128 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL VOLTAGE 2272 2160 R0
SYMATTR InstName V1
SYMATTR Value 10.
SYMBOL diode 1984 2208 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL ind2 2400 2048 M0
WINDOW 0 -2 37 Right 2
WINDOW 3 -4 72 Right 2
SYMATTR InstName L2
SYMATTR Value 6<>
SYMBOL ind2 2512 2048 M0
WINDOW 0 -1 36 Right 2
WINDOW 3 -2 74 Right 2
SYMATTR InstName L3
SYMATTR Value 6<>
SYMBOL ind2 2320 2048 R0
WINDOW 0 -4 35 Right 2
WINDOW 3 -4 73 Right 2
SYMATTR InstName L1
SYMATTR Value 12<31>
SYMBOL diode 2544 2032 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL diode 2544 2240 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL cap 2688 2128 R0
SYMATTR InstName C5
SYMATTR Value 10p
SYMBOL ind 2800 2112 R0
SYMATTR InstName L4
SYMATTR Value 6.3<EFBFBD>
SYMBOL RES 2112 2160 R0
SYMATTR InstName R2
SYMATTR Value 100
TEXT 1856 2328 Left 2 !.tran 1.5m startup
TEXT 2360 2032 Center 2 !K1 L1 L2 L3 1.
TEXT 2328 2408 Top 1 ;This example schematic is supplied for informational/educational purposes only.

13
examples/Educational/Pierce.plt Normal file
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@@ -0,0 +1,13 @@
[Transient Analysis]
{
Npanes: 1
{
traces: 1 {524290,0,"V(out)"}
X: ('m',1,0,0.0002,0.0015)
Y[0]: ('m',0,-0.6,0.1,0.6)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: ('m',0,0,1,-0.6,0.1,0.6)
Log: 0 0 0
GridStyle: 1
}
}

197
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Version 4
SHEET 1 2028 2244
WIRE 1296 1040 1200 1040
WIRE 1392 1040 1296 1040
WIRE 1472 1040 1392 1040
WIRE 1616 1040 1552 1040
WIRE 1696 1040 1616 1040
WIRE 1776 1040 1696 1040
WIRE 1200 1056 1200 1040
WIRE 1296 1056 1296 1040
WIRE 1616 1056 1616 1040
WIRE 1696 1056 1696 1040
WIRE 1776 1056 1776 1040
WIRE 1200 1152 1200 1136
WIRE 1296 1152 1296 1120
WIRE 1392 1152 1392 1040
WIRE 1472 1152 1392 1152
WIRE 1616 1152 1616 1120
WIRE 1616 1152 1552 1152
WIRE 1696 1152 1696 1120
WIRE 1776 1152 1776 1136
WIRE 1216 1248 1104 1248
WIRE 1504 1248 1216 1248
WIRE 1712 1248 1504 1248
WIRE 1216 1296 1216 1248
WIRE 1408 1312 1392 1312
WIRE 1504 1312 1504 1248
WIRE 1504 1312 1488 1312
WIRE 1520 1312 1504 1312
WIRE 1632 1312 1600 1312
WIRE 1104 1344 1104 1248
WIRE 1472 1408 1312 1408
WIRE 1744 1408 1552 1408
WIRE 1776 1408 1744 1408
WIRE 1888 1408 1856 1408
WIRE 1968 1408 1888 1408
WIRE 1968 1424 1968 1408
WIRE 1104 1456 1104 1408
WIRE 1216 1456 1216 1376
WIRE 1216 1456 1104 1456
WIRE 1392 1504 1392 1312
WIRE 1472 1504 1392 1504
WIRE 1632 1504 1632 1312
WIRE 1632 1504 1536 1504
WIRE 1968 1520 1968 1504
WIRE 1216 1536 1216 1456
WIRE 1392 1536 1392 1504
WIRE 1632 1536 1632 1504
WIRE 1312 1584 1312 1408
WIRE 1328 1584 1312 1584
WIRE 1744 1584 1744 1408
WIRE 1744 1584 1696 1584
WIRE 1216 1648 1216 1616
WIRE 1392 1648 1392 1632
WIRE 1392 1648 1216 1648
WIRE 1504 1648 1392 1648
WIRE 1632 1648 1632 1632
WIRE 1632 1648 1504 1648
WIRE 1504 1680 1504 1648
WIRE 1104 1696 1104 1456
WIRE 1264 1696 1104 1696
WIRE 800 1712 688 1712
WIRE 1040 1712 800 1712
WIRE 688 1728 688 1712
WIRE 1040 1728 1040 1712
WIRE 1264 1728 1264 1696
WIRE 928 1808 896 1808
WIRE 1440 1808 1376 1808
WIRE 1504 1808 1504 1760
WIRE 1504 1808 1440 1808
WIRE 1568 1808 1504 1808
WIRE 1680 1808 1632 1808
WIRE 688 1824 688 1808
WIRE 1440 1824 1440 1808
WIRE 800 1840 800 1712
WIRE 928 1904 896 1904
WIRE 1440 1904 1440 1888
WIRE 1440 1904 1376 1904
WIRE 1888 1904 1888 1408
WIRE 1888 1904 1440 1904
WIRE 800 2000 800 1920
WIRE 928 2000 800 2000
WIRE 1712 2000 1712 1248
WIRE 1712 2000 1376 2000
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SYMATTR InstName Q2
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SYMATTR Value 1<>
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SYMATTR Value 50m
SYMBOL RES 1568 1024 R90
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SYMATTR Value 70K
SYMBOL ind 1488 1664 R0
SYMATTR InstName L5
SYMATTR Value 100<30>
SYMBOL schottky 1424 1824 R0
WINDOW 3 27 65 Left 2
SYMATTR Value 1N5818
SYMATTR InstName D1
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SYMATTR InstName R2
SYMATTR Value 220K
SYMBOL res 1200 1520 R0
SYMATTR InstName R3
SYMATTR Value 100K
SYMBOL cap 1088 1344 R0
SYMATTR InstName C3
SYMATTR Value 1000p
SYMBOL res 784 1824 R0
SYMATTR InstName R4
SYMATTR Value 89.6K
SYMBOL schottky 1632 1792 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL cap 1408 2112 R0
SYMATTR InstName C4
SYMATTR Value 1<>
SYMBOL VOLTAGE 688 1712 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL res 1872 1392 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 500
SYMBOL POWERPRODUCTS\\LT1184F 1152 1952 R0
SYMATTR InstName U1
SYMBOL cap 1680 1056 R0
SYMATTR InstName C2
SYMATTR Value 1p
SYMBOL cap 1280 1056 R0
SYMATTR InstName C5
SYMATTR Value 1p
SYMBOL res 1760 1040 R0
SYMATTR InstName R6
SYMATTR Value 1T
SYMBOL res 1184 1040 R0
SYMATTR InstName R7
SYMATTR Value 1T
SYMBOL cap 1600 1056 R0
SYMATTR InstName C6
SYMATTR Value 27p
TEXT 1736 2064 Left 2 !.tran 10m startup
TEXT 1504 1224 Center 2 !K1 L1 L2 L3 L4 1
TEXT 1232 936 Bottom 2 ;Cold Cathode Fluorescent Lighting Power Supply
TEXT 1280 1208 Right 2 ;Royer Oscillator
TEXT 1512 992 Bottom 2 ;lamp

13
examples/Educational/Royer.plt Normal file
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[Transient Analysis]
{
Npanes: 1
{
traces: 1 {34603010,0,"I(R1)"}
X: ('m',0,0,0.001,0.01)
Y[0]: ('m',0,-0.008,0.002,0.008)
Y[1]: ('_',0,1e+308,0,-1e+308)
Amps: ('m',0,0,0,-0.008,0.002,0.008)
Log: 0 0 0
GridStyle: 1
}
}

668
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Version 4
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SYMBOL res 1600 400 R0
SYMATTR InstName Rout
SYMATTR Value 50
SYMBOL voltage 32 400 R0
WINDOW 0 25 23 Left 2
WINDOW 3 25 93 Left 2
WINDOW 123 36 64 Left 2
WINDOW 39 27 106 Left 2
SYMATTR InstName V4
SYMATTR Value ""
SYMATTR Value2 AC 2
SYMATTR SpiceLine Rser=50
SYMBOL voltage 32 -96 R0
WINDOW 0 25 23 Left 2
WINDOW 3 25 93 Left 2
WINDOW 123 38 58 Left 2
WINDOW 39 30 93 Left 2
SYMATTR InstName V2
SYMATTR Value ""
SYMATTR Value2 AC 2
SYMATTR SpiceLine Rser=50
SYMBOL voltage 32 -352 R0
WINDOW 0 25 23 Left 2
WINDOW 3 25 93 Left 2
WINDOW 123 26 91 Left 2
SYMATTR InstName V1
SYMATTR Value ""
SYMATTR Value2 AC 1
SYMBOL current 32 -512 M180
WINDOW 0 26 73 Left 2
WINDOW 3 26 1 Left 2
SYMATTR InstName I1
SYMATTR Value ac 1
SYMBOL res 1600 144 R0
SYMATTR InstName Rx
SYMATTR Value 1e16
SYMBOL voltage 32 144 R0
WINDOW 0 25 23 Left 2
WINDOW 3 25 93 Left 2
WINDOW 123 36 64 Left 2
WINDOW 39 27 106 Left 2
SYMATTR InstName V3
SYMATTR Value ""
SYMATTR Value2 AC 1
SYMATTR SpiceLine Rser=50
SYMBOL cap 128 -624 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 3.2p
SYMBOL ind 192 -592 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 200n
SYMBOL cap 304 -576 R0
SYMATTR InstName C2
SYMATTR Value 3.8p
SYMBOL cap 368 -624 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1.8p
SYMBOL cap 448 -576 R0
SYMATTR InstName C4
SYMATTR Value 9p
SYMBOL ind 528 -608 R0
SYMATTR InstName L2
SYMATTR Value 37n
SYMBOL cap 608 -624 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 1p
SYMBOL cap 688 -576 R0
SYMATTR InstName C6
SYMATTR Value 3p
SYMBOL ind 752 -592 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 230n
SYMBOL cap 864 -624 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 6p
SYMBOL cap 944 -576 R0
SYMATTR InstName C8
SYMATTR Value 4.5p
SYMBOL cap 1008 -624 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 1.6p
SYMBOL cap 1088 -576 R0
SYMATTR InstName C10
SYMATTR Value 9p
SYMBOL ind 1184 -608 R0
SYMATTR InstName L4
SYMATTR Value 36n
SYMBOL cap 1264 -624 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value 2p
SYMBOL cap 1344 -576 R0
SYMATTR InstName C12
SYMATTR Value 4.3p
SYMBOL ind 1408 -592 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L5
SYMATTR Value 200n
SYMBOL cap 1520 -624 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C14
SYMATTR Value 3p
SYMBOL cap 128 -368 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C15
SYMATTR Value 3.2p
SYMBOL ind 192 -336 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L6
SYMATTR Value 200n
SYMBOL cap 304 -320 R0
SYMATTR InstName C16
SYMATTR Value 3.8p
SYMBOL cap 368 -368 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C17
SYMATTR Value 1.8p
SYMBOL cap 448 -320 R0
SYMATTR InstName C18
SYMATTR Value 9p
SYMBOL ind 528 -352 R0
SYMATTR InstName L7
SYMATTR Value 37n
SYMBOL cap 608 -368 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C19
SYMATTR Value 1p
SYMBOL cap 688 -320 R0
SYMATTR InstName C20
SYMATTR Value 3p
SYMBOL ind 752 -336 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L8
SYMATTR Value 230n
SYMBOL cap 864 -368 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C21
SYMATTR Value 6p
SYMBOL cap 944 -320 R0
SYMATTR InstName C22
SYMATTR Value 4.5p
SYMBOL cap 1008 -368 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C23
SYMATTR Value 1.6p
SYMBOL cap 1088 -320 R0
SYMATTR InstName C24
SYMATTR Value 9p
SYMBOL ind 1184 -352 R0
SYMATTR InstName L9
SYMATTR Value 36n
SYMBOL cap 1264 -368 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C25
SYMATTR Value 2p
SYMBOL cap 1344 -320 R0
SYMATTR InstName C26
SYMATTR Value 4.3p
SYMBOL ind 1408 -336 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L10
SYMATTR Value 200n
SYMBOL cap 1520 -368 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C27
SYMATTR Value 3p
SYMBOL cap 128 -112 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C28
SYMATTR Value 3.2p
SYMBOL ind 192 -80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L11
SYMATTR Value 200n
SYMBOL cap 304 -64 R0
SYMATTR InstName C29
SYMATTR Value 3.8p
SYMBOL cap 368 -112 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C30
SYMATTR Value 1.8p
SYMBOL cap 448 -64 R0
SYMATTR InstName C31
SYMATTR Value 9p
SYMBOL ind 528 -96 R0
SYMATTR InstName L12
SYMATTR Value 37n
SYMBOL cap 608 -112 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C32
SYMATTR Value 1p
SYMBOL cap 688 -64 R0
SYMATTR InstName C33
SYMATTR Value 3p
SYMBOL ind 752 -80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L13
SYMATTR Value 230n
SYMBOL cap 864 -112 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C34
SYMATTR Value 6p
SYMBOL cap 944 -64 R0
SYMATTR InstName C35
SYMATTR Value 4.5p
SYMBOL cap 1008 -112 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C36
SYMATTR Value 1.6p
SYMBOL cap 1088 -64 R0
SYMATTR InstName C37
SYMATTR Value 9p
SYMBOL ind 1184 -96 R0
SYMATTR InstName L14
SYMATTR Value 36n
SYMBOL cap 1264 -112 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C38
SYMATTR Value 2p
SYMBOL cap 1344 -64 R0
SYMATTR InstName C39
SYMATTR Value 4.3p
SYMBOL ind 1408 -80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L15
SYMATTR Value 200n
SYMBOL cap 1520 -112 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C40
SYMATTR Value 3p
SYMBOL cap 128 128 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C41
SYMATTR Value 3.2p
SYMBOL ind 192 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L16
SYMATTR Value 200n
SYMBOL cap 304 176 R0
SYMATTR InstName C42
SYMATTR Value 3.8p
SYMBOL cap 368 128 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C43
SYMATTR Value 1.8p
SYMBOL cap 448 176 R0
SYMATTR InstName C44
SYMATTR Value 9p
SYMBOL ind 528 144 R0
SYMATTR InstName L17
SYMATTR Value 37n
SYMBOL cap 608 128 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C45
SYMATTR Value 1p
SYMBOL cap 688 176 R0
SYMATTR InstName C46
SYMATTR Value 3p
SYMBOL ind 752 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L18
SYMATTR Value 230n
SYMBOL cap 864 128 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C47
SYMATTR Value 6p
SYMBOL cap 944 176 R0
SYMATTR InstName C48
SYMATTR Value 4.5p
SYMBOL cap 1008 128 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C49
SYMATTR Value 1.6p
SYMBOL cap 1088 176 R0
SYMATTR InstName C50
SYMATTR Value 9p
SYMBOL ind 1184 144 R0
SYMATTR InstName L19
SYMATTR Value 36n
SYMBOL cap 1264 128 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C51
SYMATTR Value 2p
SYMBOL cap 1344 176 R0
SYMATTR InstName C52
SYMATTR Value 4.3p
SYMBOL ind 1408 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L20
SYMATTR Value 200n
SYMBOL cap 1520 128 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C53
SYMATTR Value 3p
SYMBOL cap 128 384 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C54
SYMATTR Value 3.2p
SYMBOL ind 192 416 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L21
SYMATTR Value 200n
SYMBOL cap 304 432 R0
SYMATTR InstName C55
SYMATTR Value 3.8p
SYMBOL cap 368 384 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C56
SYMATTR Value 1.8p
SYMBOL cap 448 432 R0
SYMATTR InstName C57
SYMATTR Value 9p
SYMBOL ind 528 400 R0
SYMATTR InstName L22
SYMATTR Value 37n
SYMBOL cap 608 384 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C58
SYMATTR Value 1p
SYMBOL cap 688 432 R0
SYMATTR InstName C59
SYMATTR Value 3p
SYMBOL ind 752 416 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L23
SYMATTR Value 230n
SYMBOL cap 864 384 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C60
SYMATTR Value 6p
SYMBOL cap 944 432 R0
SYMATTR InstName C61
SYMATTR Value 4.5p
SYMBOL cap 1008 384 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C62
SYMATTR Value 1.6p
SYMBOL cap 1088 432 R0
SYMATTR InstName C63
SYMATTR Value 9p
SYMBOL ind 1184 400 R0
SYMATTR InstName L24
SYMATTR Value 36n
SYMBOL cap 1264 384 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C64
SYMATTR Value 2p
SYMBOL cap 1344 432 R0
SYMATTR InstName C65
SYMATTR Value 4.3p
SYMBOL ind 1408 416 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L25
SYMATTR Value 200n
SYMBOL cap 1520 384 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C13
SYMATTR Value 3p
TEXT 1360 664 Left 2 !.ac LIN 801 200Meg 300Meg
TEXT 432 552 Left 2 !.net I(Rout) V4 ; Rin & Rout determined from V4 and Rout
TEXT 392 48 Left 2 !.net V(out3) V2 Rout=50 ; Rin determined by V2's Rser
TEXT 384 -200 Left 2 !.net V(out2) V1 Rout=50 Rin=50 ; Rin and Rout specified on the .net statement
TEXT 376 -456 Left 2 !.net V(out1) I1 Rout=50 Rin=50 ; Rin and Rout specified on the .net statement
TEXT 408 296 Left 2 !.net I(Rx) V3 Rout=50 ; Rin determined from V3 but Rout specified on the .net statement
TEXT 328 584 Left 2 ;This is the preferred LTspice syntax because it allows you to plot the node voltages\nand currents with the same termination as used by the .net statement computation.
TEXT 832 -664 Bottom 2 ;Five different ways of specifying source and termination impedances for S-parameter computation.
TEXT 792 656 Top 1 ;This example schematic is supplied for informational/educational purposes only.
RECTANGLE Normal 1728 640 -48 336

25
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[AC Analysis]
{
Npanes: 2
Active Pane: 1
{
traces: 4 {536870915,0,"S11(v4)"} {536870916,0,"S12(v4)"} {536870917,0,"S21(v4)"} {536870918,0,"S22(v4)"}
X: ('M',0,2e+008,1e+007,3e+008)
Y[0]: (' ',0,0.00177827941003892,5,1.77827941003892)
Y[1]: ('K',1,-1100,100,100)
Log: 0 2 0
GridStyle: 1
PltMag: 1
PltPhi: 1 0
},
{
traces: 1 {524290,0,"V(out5)"}
X: ('M',0,2e+008,1e+007,3e+008)
Y[0]: (' ',0,0.00316227766016838,5,1.77827941003892)
Y[1]: (' ',0,-800,80,80)
Log: 0 2 0
GridStyle: 1
PltMag: 1
PltPhi: 1 0
}
}

156
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Version 4
SHEET 1 2204 1092
WIRE -368 -352 -880 -352
WIRE -80 -352 -368 -352
WIRE -64 -352 -80 -352
WIRE 32 -352 16 -352
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WIRE 368 -352 272 -352
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WIRE 720 -352 608 -352
WIRE 816 -352 720 -352
WIRE 928 -352 816 -352
WIRE -880 -336 -880 -352
WIRE 816 -336 816 -352
WIRE 928 -336 928 -352
WIRE 256 -272 256 -304
WIRE -880 -240 -880 -256
WIRE 816 -240 816 -272
WIRE 928 -240 928 -256
WIRE -368 -208 -368 -352
WIRE 608 -208 608 -352
WIRE 144 -176 112 -176
WIRE 256 -176 256 -192
WIRE 256 -176 224 -176
WIRE 112 -160 112 -176
WIRE 720 -160 720 -352
WIRE 608 -112 608 -128
WIRE 608 -112 528 -112
WIRE 608 -96 608 -112
WIRE -368 -80 -368 -128
WIRE -368 -80 -464 -80
WIRE -256 -80 -368 -80
WIRE 112 -80 112 -96
WIRE -368 -48 -368 -80
WIRE -80 -48 -80 -352
WIRE 32 -48 32 -352
WIRE 256 -48 256 -176
WIRE 368 -48 368 -352
WIRE -464 -32 -464 -80
WIRE -256 0 -256 -80
WIRE -176 0 -256 0
WIRE 528 0 528 -112
WIRE 528 0 480 0
WIRE 608 0 608 -16
WIRE -464 48 -464 32
WIRE -368 64 -368 32
WIRE -176 64 -368 64
WIRE 720 64 720 -80
WIRE 720 64 480 64
WIRE -368 96 -368 64
WIRE -176 128 -256 128
WIRE 560 128 480 128
WIRE -368 192 -368 176
WIRE 560 208 560 128
WIRE -256 224 -256 128
WIRE 160 240 160 224
WIRE 320 240 320 224
WIRE 0 256 0 224
WIRE 560 304 560 288
WIRE -256 320 -256 304
WIRE 160 320 160 304
WIRE 320 320 320 304
FLAG -368 192 0
FLAG 0 256 0
FLAG 608 0 0
FLAG 160 320 0
FLAG 320 320 0
FLAG -256 320 0
FLAG -880 -240 0
FLAG 816 -240 0
FLAG 928 -240 0
FLAG 560 304 0
FLAG 112 -80 0
FLAG -464 48 0
FLAG 928 -352 OUT
SYMBOL res -80 -336 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 5.7m
SYMBOL res -384 -224 R0
SYMATTR InstName R2
SYMATTR Value 49.9K
SYMBOL res -384 48 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 1.74K
SYMBOL res -384 80 R0
SYMATTR InstName R4
SYMATTR Value 2.67K
SYMBOL res 592 -224 R0
SYMATTR InstName R5
SYMATTR Value 43.5K
SYMBOL res 592 0 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 3.57K
SYMBOL res 704 -176 R0
SYMATTR InstName R7
SYMATTR Value 24K
SYMBOL cap 144 240 R0
SYMATTR InstName C1
SYMATTR Value .1<EFBFBD>
SYMBOL cap 304 240 R0
SYMATTR InstName C2
SYMATTR Value 68n
SYMBOL cap 800 -336 R0
SYMATTR InstName C3
SYMATTR Value 220<32>
SYMBOL res 912 -240 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R8
SYMATTR Value {Rload}
SYMBOL res 240 -288 R0
SYMATTR InstName R9
SYMATTR Value 10
SYMBOL voltage 560 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 3.1 1 3.1 1.0001 0 1.2 0 1.20001 0)
SYMBOL res 128 -160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value 100K
SYMBOL cap 96 -160 R0
SYMATTR InstName C4
SYMATTR Value 10n
SYMBOL cap -480 -32 R0
SYMATTR InstName C5
SYMATTR Value 0.1<EFBFBD>
SYMBOL PowerProducts\\LTC4260 144 80 R0
SYMATTR InstName U1
SYMATTR SpiceLine uvautoretry=1 ovautoretry=1 ocautoretry=1
SYMBOL voltage -256 208 R0
WINDOW 123 24 146 Left 2
WINDOW 39 24 125 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 1u 3.1 1 3.1 1.0001 3.1)
SYMBOL voltage -880 -352 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR Value PWL(0 0 10u 0 100u 60 1.8 60 +0.1m 60)
SYMATTR InstName V3
SYMBOL nmos 176 -304 R270
WINDOW 0 55 46 VTop 2
WINDOW 3 -7 73 VLeft 2
SYMATTR InstName Q1
SYMATTR Value PSMN4R8100BSE
TEXT 840 120 Left 2 !.tran 2.5\n.options SOAaccounting=1 ; turns on SOA accouting for MOSFETs that include thermal data
TEXT 608 248 Left 2 ;simulate board detection
TEXT 736 -200 Left 2 !.param Rload=10\n.step param Rload list 1 10 50 100

BIN
examples/Educational/SOAtherm-Tutorial.plt Normal file
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Binary file not shown.

40
examples/Educational/SampleAndHold.asc Normal file
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@@ -0,0 +1,40 @@
Version 4
SHEET 1 1224 680
WIRE 128 64 32 64
WIRE 336 112 304 112
WIRE 128 160 64 160
WIRE 32 272 32 64
WIRE 32 272 -160 272
WIRE 128 272 32 272
WIRE -160 288 -160 272
WIRE 336 320 304 320
WIRE 64 336 64 160
WIRE 128 336 64 336
WIRE -160 384 -160 368
WIRE 64 400 64 336
WIRE 64 512 64 480
FLAG 64 512 0
FLAG -160 384 0
FLAG 336 112 A
FLAG 336 320 B
FLAG -160 272 IN
SYMBOL SpecialFunctions\\sample 208 96 R0
SYMATTR InstName A1
SYMBOL SpecialFunctions\\sample 208 304 R0
SYMATTR InstName A2
SYMBOL voltage -160 272 R0
WINDOW 3 23 92 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 1 300)
SYMATTR InstName V1
SYMBOL voltage 64 384 R0
WINDOW 0 18 18 Left 2
WINDOW 3 23 97 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 1 0 1u 1u 50u 100u)
TEXT 472 528 Left 2 !.tran 10m
TEXT 208 552 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT 360 112 Left 2 ;This output follows the input whenever the S/H input is true.
TEXT 360 320 Left 2 ;This output latches to the input when the CLK input goes TRUE.
TEXT 208 -8 Bottom 2 ;The behavioral Sample and Hold has two modes of operation.

32
examples/Educational/SampleAndHold.plt Normal file
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[Transient Analysis]
{
Npanes: 3
Active Pane: 2
{
traces: 1 {524292,0,"V(b)"}
X: ('m',0,0,0.001,0.01)
Y[0]: (' ',1,-1,0.2,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,-1,0.2,1)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {268959747,0,"V(a)"}
X: ('m',0,0,0.001,0.01)
Y[0]: (' ',1,-1,0.2,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,-1,0.2,1)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {268959746,0,"V(in)"}
X: ('m',0,0,0.001,0.01)
Y[0]: (' ',1,-1,0.2,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,-1,0.2,1)
Log: 0 0 0
GridStyle: 1
}
}

25
examples/Educational/SoftDiodeRecovery.asc Normal file
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@@ -0,0 +1,25 @@
Version 4
SHEET 1 1796 1732
WIRE -496 832 -736 832
WIRE -208 832 -416 832
WIRE -736 848 -736 832
WIRE -208 848 -208 832
WIRE -208 928 -208 912
WIRE -736 944 -736 928
FLAG -736 944 0
FLAG -208 928 0
SYMBOL voltage -736 832 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(10 -10 .5u 10n 10n 20u 40u)
SYMBOL diode -224 848 R0
SYMATTR InstName D3
SYMATTR Value x
SYMBOL res -512 848 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 1
TEXT -800 1000 Left 2 !.tran 0 60u\n.model X D(Rs=0 Is=1e-10 tt=3u Vp={Vp} Cjo=10n)\n.step param Vp list 0 .2 .4 .6 .8 1
TEXT -456 776 Bottom 2 ;This example shows the use of dQ/dt damping parameter Vp to control diode soft recovery.\n \nSee K.J. Teng and S. Pan: 'Modified charge-control equation for simulation of diode reverse recovery',\nElectronics Letters, 15th February 1996 Vol. 32 No. 4

40
examples/Educational/Transformer.asc Normal file
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Version 4
SHEET 1 880 680
WIRE -128 176 -304 176
WIRE 112 176 -48 176
WIRE 256 176 160 176
WIRE -304 192 -304 176
WIRE 112 192 112 176
WIRE 160 192 160 176
WIRE -304 288 -304 272
WIRE 112 288 112 272
WIRE 160 288 160 272
FLAG -304 288 0
FLAG 160 288 0
FLAG 112 288 0
FLAG -304 176 IN
FLAG 256 176 OUT
SYMBOL ind2 96 288 M180
WINDOW 0 -7 76 Right 2
WINDOW 3 -7 42 Right 2
SYMATTR InstName L1
SYMATTR Value 100<30>
SYMATTR Type ind
SYMBOL ind2 176 176 M0
WINDOW 0 -7 42 Right 2
WINDOW 3 -5 73 Right 2
SYMATTR InstName L2
SYMATTR Value 900<30>
SYMATTR Type ind
SYMBOL voltage -304 176 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 1 0 10n 10n 5u 10u)
SYMBOL res -32 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10
TEXT 136 176 Bottom 2 !K1 L1 L2 1
TEXT 272 304 Left 2 !.tran 100u
TEXT 32 352 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT 40 112 Bottom 2 ;A transformer with two windings, 1 to 3 turns winding ratio

22
examples/Educational/Transformer.plt Normal file
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@@ -0,0 +1,22 @@
[Transient Analysis]
{
Npanes: 2
{
traces: 1 {524291,0,"V(out)"}
X: ('<EFBFBD>',0,0,1e-005,0.0001)
Y[0]: (' ',1,-3,0.5,2)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,-3,0.5,2)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {268959746,0,"V(in)"}
X: ('<EFBFBD>',0,0,1e-005,0.0001)
Y[0]: (' ',1,0,0.1,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1)
Log: 0 0 0
GridStyle: 1
}
}

51
examples/Educational/Transformer2.asc Normal file
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@@ -0,0 +1,51 @@
Version 4
SHEET 1 880 680
WIRE 352 96 160 96
WIRE 160 112 160 96
WIRE -128 176 -288 176
WIRE 112 176 -48 176
WIRE -288 192 -288 176
WIRE 112 192 112 176
WIRE 160 208 160 192
WIRE 352 240 160 240
WIRE 160 256 160 240
WIRE -288 288 -288 272
WIRE 112 288 112 272
WIRE 160 352 160 336
FLAG -288 288 0
FLAG 160 352 0
FLAG 112 288 0
FLAG 160 208 0
FLAG 352 96 A
FLAG 352 240 B
FLAG -288 176 IN
SYMBOL ind2 96 288 M180
WINDOW 0 -15 80 Right 2
WINDOW 3 -7 42 Right 2
SYMATTR InstName L1
SYMATTR Value 100<30>
SYMATTR Type ind
SYMBOL ind2 176 96 M0
WINDOW 0 -10 36 Right 2
WINDOW 3 -8 74 Right 2
SYMATTR InstName L2
SYMATTR Value 400<30>
SYMATTR Type ind
SYMBOL voltage -288 176 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 1 0 10n 10n 5u 10u)
SYMBOL res -32 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL ind2 176 240 M0
WINDOW 0 -10 36 Right 2
WINDOW 3 -10 73 Right 2
SYMATTR InstName L3
SYMATTR Value 400<30>
SYMATTR Type ind
TEXT 136 96 Bottom 2 !K1 L1 L2 L3 1
TEXT 280 352 Left 2 !.tran 100u
TEXT 32 408 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT 48 24 Bottom 2 ;A transformer with three windings

32
examples/Educational/Transformer2.plt Normal file
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@@ -0,0 +1,32 @@
[Transient Analysis]
{
Npanes: 3
Active Pane: 1
{
traces: 1 {524290,0,"V(b)"}
X: ('<EFBFBD>',0,0,1e-005,0.0001)
Y[0]: (' ',1,-2.1,0.3,1.5)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,-2.1,0.3,1.5)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {268959747,0,"V(a)"}
X: ('<EFBFBD>',0,0,1e-005,0.0001)
Y[0]: (' ',1,-2.1,0.3,1.5)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,-2.1,0.3,1.5)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {268959748,0,"V(in)"}
X: ('<EFBFBD>',0,0,1e-005,0.0001)
Y[0]: (' ',1,0,0.1,1)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: (' ',0,0,1,0,0.1,1)
Log: 0 0 0
GridStyle: 1
}
}

45
examples/Educational/TransmissionLineInverter.asc Normal file
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@@ -0,0 +1,45 @@
Version 4
SHEET 1 1272 680
WIRE 128 192 -368 192
WIRE 320 192 224 192
WIRE -368 208 -368 192
WIRE 128 224 64 224
WIRE 288 224 224 224
WIRE 64 272 64 224
WIRE 64 272 16 272
WIRE 288 272 288 224
WIRE 336 272 288 272
WIRE -368 304 -368 288
WIRE 64 304 64 272
WIRE 128 304 64 304
WIRE 288 304 288 272
WIRE 288 304 224 304
WIRE 128 336 64 336
WIRE 288 336 224 336
WIRE 64 368 64 336
WIRE 288 368 288 336
FLAG 64 368 0
FLAG 288 368 0
FLAG -368 304 0
FLAG 16 272 0
FLAG 320 192 0
FLAG -368 192 IN
FLAG 336 272 OUT
SYMBOL tline 176 208 R0
WINDOW 0 2 -19 Bottom 2
WINDOW 3 3 20 Top 2
SYMATTR InstName T1
SYMBOL tline 176 320 R0
WINDOW 0 -1 -21 Bottom 2
WINDOW 3 0 21 Top 2
SYMATTR InstName T2
SYMATTR Value Td=30n Z0=150
SYMBOL voltage -368 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 40 56 Left 2
SYMATTR SpiceLine Rser=50
SYMATTR InstName V1
SYMATTR Value PULSE(0 1 0 1n 1n 10n)
TEXT 376 368 Left 2 !.tran 0 500n 0 1n
TEXT 0 408 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT -376 -200 Left 2 ;This examples illustrates the fundamental difference between a SPICE\ntransmission line element and a length of coax. The SPICE transmission\nline element supports a single transmission line mode whereas a cable\nwill have any many modes as it has independent conductors. A piece of\ncoax has two conductors, a central conductor and an outer shield, giving\nrise to two modes.\n \nTo model both modes of a length of coax, you will need two SPICE\ntransmission line elements. One for the normal(differential) mode and\nthe other for the common mode. Below, T1 is the normal mode and T2 is\nthe mode between the shield and the rest of the world. These modes\nwith have different propagation speeds and impedances. If both modes\nare modeled, then you can simulate a transmission line inverter.

22
examples/Educational/TransmissionLineInverter.plt Normal file
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@@ -0,0 +1,22 @@
[Transient Analysis]
{
Npanes: 2
{
traces: 1 {524291,0,"V(out)"}
X: ('n',0,0,5e-008,5e-007)
Y[0]: ('m',0,-0.8,0.1,0.4)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: ('m',0,0,0,-0.8,0.1,0.4)
Log: 0 0 0
GridStyle: 1
},
{
traces: 1 {268959746,0,"V(in)"}
X: ('n',0,0,5e-008,5e-007)
Y[0]: ('m',0,-0.45,0.09,0.54)
Y[1]: ('_',0,1e+308,0,-1e+308)
Volts: ('m',0,0,0,-0.45,0.09,0.54)
Log: 0 0 0
GridStyle: 1
}
}

67
examples/Educational/TwoTau.asc Normal file
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Version 4
SHEET 1 1656 880
WIRE 1056 256 992 256
WIRE 1168 256 1136 256
WIRE 1248 256 1168 256
WIRE 1376 256 1328 256
WIRE 1472 256 1376 256
WIRE 1168 272 1168 256
WIRE 1376 272 1376 256
WIRE 1168 352 1168 336
WIRE 1376 352 1376 336
WIRE 992 384 992 256
WIRE 992 384 400 384
WIRE 400 416 400 384
WIRE 1472 432 1104 432
WIRE 1104 448 1104 432
WIRE 992 464 992 384
WIRE 1056 464 992 464
WIRE 1056 512 1040 512
WIRE 400 528 400 496
WIRE 1040 560 1040 512
WIRE 1104 560 1104 528
WIRE 1472 624 1104 624
WIRE 1104 640 1104 624
WIRE 992 656 992 464
WIRE 1056 656 992 656
WIRE 1056 704 1040 704
WIRE 1040 752 1040 704
WIRE 1104 752 1104 720
FLAG 400 528 0
FLAG 1472 432 B
FLAG 1472 256 A
FLAG 1104 560 0
FLAG 1472 624 C
FLAG 1104 752 0
FLAG 1040 560 0
FLAG 1040 752 0
FLAG 1168 352 0
FLAG 1376 352 0
SYMBOL voltage 400 400 R0
SYMATTR InstName V1
SYMATTR Value PULSE(-1 1 0 0 0 5m 10m) AC 1
SYMBOL e 1104 432 R0
SYMATTR InstName E2
SYMATTR Value Laplace=1/(1+.001*s)**2
SYMBOL e 1104 624 R0
SYMATTR InstName E1
SYMATTR Value Laplace=exp(-.001*s)/(1+.001*s)**2
SYMBOL res 1152 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL cap 1152 272 R0
SYMATTR InstName C1
SYMATTR Value 1<>
SYMBOL res 1344 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL cap 1360 272 R0
SYMATTR InstName C2
SYMATTR Value .01<EFBFBD>
TEXT 536 704 Left 2 !;ac oct 10 .001 1MEG
TEXT 536 648 Left 2 !.tran 30m
TEXT 944 800 Top 1 ;This example schematic is supplied for informational/educational purposes only.

232
examples/Educational/UHFpreamp.asc Normal file
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@@ -0,0 +1,232 @@
Version 4
SHEET 1 3756 944
WIRE 288 144 192 144
WIRE 464 144 288 144
WIRE 640 144 560 144
WIRE 672 144 640 144
WIRE 784 144 752 144
WIRE 896 144 784 144
WIRE 1232 144 992 144
WIRE 1296 144 1232 144
WIRE 1472 144 1360 144
WIRE 1472 160 1472 144
WIRE 464 176 416 176
WIRE 608 176 560 176
WIRE 640 176 640 144
WIRE 784 176 784 144
WIRE 896 176 848 176
WIRE 1040 176 992 176
WIRE 1232 176 1232 144
WIRE -464 192 -608 192
WIRE -224 192 -384 192
WIRE -176 192 -224 192
WIRE -80 192 -112 192
WIRE -32 192 -80 192
WIRE 64 192 32 192
WIRE 128 192 64 192
WIRE -224 208 -224 192
WIRE -80 208 -80 192
WIRE -608 224 -608 192
WIRE 64 240 64 192
WIRE 288 240 288 144
WIRE 192 256 192 240
WIRE 1472 256 1472 240
WIRE 640 288 640 256
WIRE 720 288 640 288
WIRE 784 288 784 256
WIRE 784 288 720 288
WIRE 1232 288 1232 256
WIRE -224 304 -224 288
WIRE -80 304 -80 288
WIRE 720 304 720 288
WIRE -608 336 -608 304
WIRE -256 368 -272 368
WIRE -112 368 -192 368
WIRE 64 368 64 320
WIRE 64 368 -32 368
WIRE 112 368 64 368
WIRE 288 368 288 320
WIRE 288 368 192 368
WIRE 64 384 64 368
WIRE 288 384 288 368
WIRE 720 384 720 368
WIRE 1136 400 1120 400
WIRE 1232 400 1232 368
WIRE 1232 400 1200 400
WIRE 1264 400 1232 400
WIRE 1344 400 1328 400
WIRE -272 464 -272 368
WIRE -256 464 -272 464
WIRE -176 464 -192 464
WIRE 64 464 64 448
WIRE 288 464 288 448
WIRE 1232 480 1232 400
WIRE 1232 576 1232 560
FLAG -224 304 0
FLAG -608 336 0
FLAG -80 304 0
FLAG 192 256 0
FLAG 288 464 0
FLAG 64 464 0
FLAG 720 384 0
FLAG 608 176 0
FLAG 416 176 0
FLAG 848 176 0
FLAG 1040 176 0
FLAG 1472 256 0
FLAG 1344 400 0
FLAG 1232 576 0
FLAG 1472 144 OUT
FLAG 1120 400 0
FLAG -176 464 0
SYMBOL ind2 -96 304 M180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L2
SYMATTR Value 30n
SYMATTR Type ind
SYMBOL ind2 -240 304 M180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L1
SYMATTR Value 45n
SYMATTR Type ind
SYMBOL voltage -608 208 R0
WINDOW 3 32 82 Left 2
WINDOW 39 7 107 Left 2
SYMATTR Value ac 2
SYMATTR SpiceLine sine(0 25m 180Meg)
SYMATTR InstName V1
SYMBOL tline 512 160 R0
WINDOW 0 3 -19 Bottom 2
WINDOW 3 0 21 Top 2
SYMATTR InstName T1
SYMATTR Value Td=52.5n Z0=75
SYMBOL tline 944 160 R0
WINDOW 0 3 -19 Bottom 2
WINDOW 3 0 21 Top 2
SYMATTR InstName T2
SYMATTR Value Td=52.5n Z0=75
SYMBOL res 768 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 36
SYMBOL res 624 160 R0
SYMATTR InstName R7
SYMATTR Value 331
SYMBOL res 768 160 R0
SYMATTR InstName R8
SYMATTR Value 331
SYMBOL cap 704 304 R0
SYMATTR InstName C8
SYMATTR Value 100p
SYMBOL res 1456 144 R0
WINDOW 0 38 26 Left 2
WINDOW 3 38 58 Left 2
WINDOW 123 31 84 Left 2
SYMATTR InstName Receiver
SYMATTR Value 75
SYMATTR Value2 noiseless
SYMBOL ind2 1216 272 M180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L3
SYMATTR Value .124<EFBFBD>
SYMATTR Type ind
SYMBOL voltage 1232 464 R0
SYMATTR InstName V2
SYMATTR Value 10
SYMBOL voltage -368 192 M270
WINDOW 3 -63 56 VBottom 2
WINDOW 123 -70 55 VBottom 2
WINDOW 0 32 56 VTop 2
WINDOW 39 -35 56 VBottom 2
SYMATTR Value sine(0 25m 174Meg)
SYMATTR InstName V3
SYMATTR SpiceLine Rser=75
SYMBOL npn 128 144 R0
SYMATTR InstName Q1
SYMATTR Value MRF901
SYMATTR Prefix X
SYMBOL cap -112 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 12p
SYMBOL cap 32 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 22p
SYMBOL res -16 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 499
SYMBOL res 208 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 3.01K
SYMBOL res 48 224 R0
SYMATTR InstName R2
SYMATTR Value 8.25K
SYMBOL res 272 224 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL cap 48 384 R0
SYMATTR InstName C3
SYMATTR Value .001<EFBFBD>
SYMBOL cap 272 384 R0
SYMATTR InstName C4
SYMATTR Value .01<EFBFBD>
SYMBOL cap 1360 160 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C5
SYMATTR Value 22p
SYMBOL res 1216 384 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 75
SYMBOL cap 1328 416 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C6
SYMATTR Value .1<EFBFBD>
SYMBOL cap 1200 416 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C7
SYMATTR Value 15<31>
SYMBOL diode -192 352 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode -256 448 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 1N4148
TEXT 384 456 Left 2 !.ac oct 1000 140Meg 700Meg\n \n;.noise V(out) V1 oct 1000 170Meg 700Meg\n* To plot noise figure[dB]: 10*log10(V(inoise)*V(inoise)/(4*k*300.15*75))\n \n;.tran 0 11u 1u .02n\n;.optoins plotwinsize=0\n \n;.dc temp -55 125 1
TEXT 728 96 Bottom 2 ;Noise Model of 85 feet of RG6QS
TEXT -288 552 Left 2 !* Model Copyright <20> 1991 Analog and RF Models\n* Courtesy of wksands@earthlink.net\n* http://home.earthlink.net/~wksands\n.subckt MRF901 1 2 3\nLc 1 4 0.451n\nLb 2 6 1.759n\nLe 5 3 0.899n\nCc 4 5 0.466p\nCb 4 6 0.160p\nQ1 4 6 5 QR99\n.model QR99 NPN(BF=88 VAF=120 VAR=12 Rc=5.63 Rb=1.9 Re=.474 IKF=.021 Ise=2.7f TF=20.7p TR=1.49n\n+ ITF=.02 VTF=4.95 Cjc=.926p Cje=1.3p XTI=3 Ne=1.5 Isc=.9f Eg=1.11 PTF=23 XTB=1.5 BR=2.29 Vjc=.75\n+ Vje=.75 Is=.3f Mjc=.33 Mje=.33 XTF=4 IKR=.021 KF=1f Nc=1.7 Fc=.5 Rbm=1.35 Irb=3m XCjc=.398)\n.ends MRF901
TEXT 40 96 Bottom 2 ;Masthead VHF-high/UHF Preamp
TEXT 1232 96 Bottom 2 ;Preamp Power Insertion
TEXT -72 416 Top 2 ;Adjust R1\nfor 5mA\ncollector\ncurrent
TEXT -472 96 Bottom 2 ;Antenna
TEXT 896 664 Left 2 ;Notes: \n 1. All capacitors are surface mount.\n 2. All inductors are air wound coils.\n 3. Dashed lines in Preamp indicate shielding.
TEXT 1504 96 Bottom 2 ;Television Set
TEXT 496 920 Top 1 ;This example schematic is supplied for informational/educational purposes only.
LINE Normal -144 96 -144 534 2
LINE Normal 0 96 0 534 2
LINE Normal 160 96 160 534 2
LINE Normal 368 288 0 288 2
RECTANGLE Normal 368 534 -288 96 2
RECTANGLE Normal 1072 416 384 96 2
RECTANGLE Normal 1376 448 1088 96 2
RECTANGLE Normal -304 368 -656 96 2
RECTANGLE Normal 1616 304 1392 96 2

14
examples/Educational/UHFpreamp.plt Normal file
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[AC Analysis]
{
Npanes: 1
{
traces: 1 {524290,0,"V(out)"}
X: ('M',0,1.4e+008,6e+007,7e+008)
Y[0]: (' ',1,2.85101826750391,0.7,7.49894209332456)
Y[1]: ('K',0,-22000,2000,2000)
Log: 1 2 0
GridStyle: 1
PltMag: 1
PltPhi: 1 0
}
}

87
examples/Educational/UniversalOpamp2.asc Normal file
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@@ -0,0 +1,87 @@
Version 4
SHEET 1 2580 1112
WIRE 128 -224 128 -240
WIRE 96 -208 80 -208
WIRE 224 -192 160 -192
WIRE 1072 -192 1072 -208
WIRE 96 -176 32 -176
WIRE 1040 -176 1024 -176
WIRE 1168 -160 1104 -160
WIRE 128 -144 128 -160
WIRE 1040 -144 960 -144
WIRE 1072 -112 1072 -128
WIRE 128 176 128 160
WIRE 96 192 80 192
WIRE 224 208 160 208
WIRE 32 224 32 -176
WIRE 96 224 32 224
WIRE 1056 240 1056 224
WIRE 128 256 128 240
WIRE 1024 256 1008 256
WIRE 1152 272 1088 272
WIRE 960 288 960 -144
WIRE 1024 288 960 288
WIRE 1056 320 1056 304
WIRE 32 400 32 224
WIRE 960 400 960 288
WIRE 960 400 32 400
WIRE 1008 400 1008 384
WIRE 1104 400 1104 384
WIRE 32 416 32 400
WIRE 1008 496 1008 480
WIRE 1104 496 1104 480
WIRE 32 512 32 496
FLAG 128 -240 +V
FLAG 128 -144 -V
FLAG 80 -208 0
FLAG 1104 496 0
FLAG 1008 496 0
FLAG 1008 384 +V
FLAG 1104 384 -V
FLAG 32 512 0
FLAG 128 160 +V
FLAG 128 256 -V
FLAG 80 192 0
FLAG 1056 224 +V
FLAG 1056 320 -V
FLAG 1008 256 0
FLAG 1072 -208 +V
FLAG 1072 -112 -V
FLAG 1024 -176 0
FLAG 224 -192 1
FLAG 224 208 2
FLAG 1152 272 3b
FLAG 1168 -160 3a
SYMBOL voltage 1008 384 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage 1104 384 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL voltage 32 400 R0
WINDOW 0 25 22 Left 2
WINDOW 3 27 90 Left 2
SYMATTR InstName V3
SYMATTR Value ac 1
SYMBOL opamps\\UniversalOpamp2 128 -192 R0
WINDOW 38 12 24 Left 2
SYMATTR SpiceModel level.1
SYMATTR InstName U1
SYMBOL opamps\\UniversalOpamp2 128 208 R0
WINDOW 38 12 24 Left 2
SYMATTR InstName U2
SYMBOL opamps\\UniversalOpamp2 1072 -160 R0
WINDOW 38 12 24 Left 2
SYMATTR SpiceModel level.3a
SYMATTR InstName U3
SYMBOL opamps\\UniversalOpamp2 1056 272 R0
WINDOW 38 12 24 Left 2
SYMATTR SpiceModel level.3b
SYMATTR InstName U4
TEXT 152 464 Left 2 !.ac oct 10 .1 100Meg
TEXT 264 -272 Left 2 ;A linear single pole opamp with no internal nodes\nor output voltage range limit.\nAvol=DC gain GBW=GBW product Vos=offset voltage\nen=equiv. input noise voltage density\nenk=equiv. input noise voltage density corner freq.\nin=equiv. input noise current density\nink=equiv. input noise current density corner freq.\nRin=Input resistance
TEXT 272 104 Left 2 ;A single pole opamp with one internal node,\nslew rate limit and output voltage and current limit.\nAvol=DC gain GBW=GBW product\nSlew=Slewrate limit ilimit=current limit\nrail=output stage saturation voltage\nVos=offset voltage\nen=equiv. input noise voltage density\nenk=equiv. input noise voltage density corner freq.\nin=equiv. input noise current density\nink=equiv. input noise current density corner freq.\nRin=Input resistance
TEXT 1224 104 Left 2 ;A dominate pole opamp with a delay, slew rate limit,\noutput voltage and current limit, and a programable\nphase margin. Implemented in 7 internal nodes.\nAvol=DC gain GBW=GBW product\nSlew=Slewrate limit ilimit=current limit\nrail=output stage saturation voltage\nVos=offset voltage\nphimargin=phase margin\nen=equiv. input noise voltage density\nenk=equiv. input noise voltage density corner freq.\nin=equiv. input noise current density\nink=equiv. input noise current density corner freq.\nRin=Input resistance
TEXT 1224 -296 Left 2 ;A two pole opamp with two internal nodes,\nslew rate limit and output voltage and current limit\nand a programable phase margin.\nAvol=DC gain GBW=GBW product\nSlew=Slewrate limit ilimit=current limit\nrail=output stage saturation voltage\nVos=offset voltage\nphimargin=phase margin\nen=equiv. input noise voltage density\nenk=equiv. input noise voltage density corner freq.\nin=equiv. input noise current density\nink=equiv. input noise current density corner freq.\nRin=Input resistance
TEXT 904 528 Top 1 ;This example schematic is supplied for informational/educational purposes only.
TEXT 152 -440 Left 2 ;This demonstrates the use of the symbol UniversalOpamp2(improved version to the UniversalOpamp). You set the SpiceModel to be\nhigher to simulate more aspects of opamp behavior. Level1 is merely a transconductance working into an R||C and doesn't use power\nfrom the supplies. Level2 adds slewrate, current and voltage limits. Level3a adds a second pole. Level3b adds a delay to the dominate\npole response. Noise is modeled at all levels.

45
examples/Educational/UniversalOpamp2.plt Normal file
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[AC Analysis]
{
Npanes: 4
Active Pane: 1
{
traces: 1 {524293,0,"V(3b)"}
X: ('M',0,0.1,0,1e+008)
Y[0]: (' ',0,0.0001,20,1e+007)
Y[1]: (' ',0,-550,50,0)
Log: 1 2 0
GridStyle: 1
PltMag: 1
PltPhi: 1 0
},
{
traces: 1 {524292,0,"V(3a)"}
X: ('M',0,0.1,0,1e+008)
Y[0]: (' ',0,0.001,20,1e+006)
Y[1]: (' ',0,-180,20,0)
Log: 1 2 0
GridStyle: 1
PltMag: 1
PltPhi: 1 0
},
{
traces: 1 {524291,0,"V(2)"}
X: ('M',0,0.1,0,1e+008)
Y[0]: (' ',0,0.0316227766016838,10,1e+006)
Y[1]: (' ',0,-117,9,18)
Log: 1 2 0
GridStyle: 1
PltMag: 1
PltPhi: 1 0
},
{
traces: 1 {524290,0,"V(1)"}
X: ('M',0,0.1,0,1e+008)
Y[0]: (' ',0,0.0316227766016838,10,1e+006)
Y[1]: (' ',0,-108,9,27)
Log: 1 2 0
GridStyle: 1
PltMag: 1
PltPhi: 1 0
}
}

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