initial commit

examples/Educational/100W.asc

@@ -0,0 +1,319 @@
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+SYMATTR InstName Q1
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+WINDOW 3 62 28 Left 2
+SYMATTR InstName Q2
+SYMATTR Value IRFP9240
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+SYMATTR Value .33
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+SYMATTR InstName R2
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+SYMATTR InstName R3
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+SYMATTR Value 470
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+SYMATTR Value 470
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+SYMATTR InstName V1
+SYMATTR Value 50
+SYMBOL voltage 256 608 R0
+SYMATTR InstName V2
+SYMATTR Value 50
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+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
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+SYMBOL res -112 288 R0
+SYMATTR InstName R7
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+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
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+SYMBOL res -192 608 R0
+SYMATTR InstName R9
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+WINDOW 0 48 31 Left 2
+WINDOW 3 47 63 Left 2
+SYMATTR InstName Q6
+SYMATTR Value MJE340
+SYMBOL cap -16 448 R90
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+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
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+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
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+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
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+SYMBOL res -720 304 R0
+SYMATTR InstName R20
+SYMATTR Value 1K
+SYMBOL cap -720 416 R0
+SYMATTR InstName C5
+SYMATTR Value 100<30>
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+SYMATTR InstName C6
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+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

examples/Educational/1563.asc

@@ -0,0 +1,38 @@
+Version 4
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+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.

examples/Educational/160.asc

@@ -0,0 +1,479 @@
+Version 4
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+WIRE 2384 1776 1696 1776
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+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
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+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
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+SYMATTR InstName J4
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+SYMATTR InstName J3
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+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
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+SYMATTR Value 1.
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+WINDOW 0 -16 16 Left 2
+WINDOW 3 -16 96 Left 2
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+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
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+SYMATTR InstName A10
+SYMBOL DIGITAL\\AND 1568 752 R0
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+SYMBOL DIGITAL\\AND 1904 848 R0
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+SYMBOL DIGITAL\\AND 1904 720 R0
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+SYMBOL DIGITAL\\AND 2064 736 R0
+WINDOW 0 -16 16 Left 2
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+SYMATTR InstName A13
+SYMATTR Value TD=10N
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+SYMBOL DIGITAL\\AND 1568 992 R0
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+SYMBOL DIGITAL\\AND 1904 960 R0
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+WINDOW 3 0 112 Left 2
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+SYMBOL DIGITAL\\AND 1904 1216 R0
+WINDOW 0 -16 16 Left 2
+WINDOW 3 0 112 Left 2
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+SYMBOL DIGITAL\\AND 1904 1088 R0
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+WINDOW 3 0 112 Left 2
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+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.

examples/Educational/160.plt

@@ -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
+   }
+}

examples/Educational/BandGaps.asc

@@ -0,0 +1,216 @@
+Version 4
+SHEET 1 2072 804
+WIRE 496 16 288 16
+WIRE 656 16 496 16
+WIRE 848 16 656 16
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+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
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+SYMBOL pnp 592 128 M180
+WINDOW 0 54 63 Left 2
+WINDOW 3 61 29 Left 2
+SYMATTR InstName Q2
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+SYMBOL res 480 304 R0
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+SYMBOL npn 560 208 M0
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+SYMBOL npn 592 272 R0
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+SYMBOL voltage 288 32 R0
+SYMATTR InstName V1
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+SYMBOL res 640 144 R0
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+SYMBOL pnp 912 128 R180
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+SYMBOL pnp 976 128 M180
+WINDOW 0 54 63 Left 2
+WINDOW 3 61 29 Left 2
+SYMATTR InstName Q6
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+SYMBOL res 1024 496 R0
+SYMATTR InstName R3
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+SYMBOL npn 912 336 M0
+SYMATTR InstName Q7
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+SYMBOL npn 976 400 R0
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+SYMATTR InstName R4
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+SYMBOL npn 976 160 R0
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+SYMBOL pnp 1296 128 R180
+WINDOW 0 61 62 Left 2
+WINDOW 3 53 31 Left 2
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+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
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+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

examples/Educational/BandGaps.plt

@@ -0,0 +1,12 @@
+[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
+   }
+}

examples/Educational/Clapp.asc

@@ -0,0 +1,64 @@
+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
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+WIRE 2368 2080 2368 2064
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+WIRE 2192 2144 2192 2080
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+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.

examples/Educational/Clapp.plt

@@ -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
+   }
+}

examples/Educational/Cohn.asc

@@ -0,0 +1,97 @@
+Version 4
+SHEET 1 2316 1728
+WIRE 1360 1168 1232 1168
+WIRE 1664 1168 1536 1168
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+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.

examples/Educational/Cohn.plt

@@ -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
+   }
+}

examples/Educational/DCopPnt.asc

@@ -0,0 +1,193 @@
+Version 4
+SHEET 1 2352 1864
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+FLAG 2096 1072 0
+FLAG 2096 1824 0
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+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

examples/Educational/Electrometer.asc

@@ -0,0 +1,737 @@
+Version 4
+SHEET 1 2884 3000
+WIRE -1152 240 -1200 240
+WIRE -912 240 -1072 240
+WIRE -704 240 -912 240
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+FLAG 256 688 0
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+FLAG 352 576 -V
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+FLAG 992 1056 -V
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+FLAG 224 1040 0
+FLAG 1088 416 0
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+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
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+WINDOW 3 2 74 Right 2
+SYMATTR InstName T3c
+SYMATTR Value 25<32>
+SYMATTR Type ind
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+SYMATTR InstName R1
+SYMATTR Value 500
+SYMBOL res -32 288 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
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+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
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+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
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+SYMATTR Value 50<35>
+SYMATTR Type ind
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+SYMATTR Type ind
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+SYMATTR Value 50<35>
+SYMATTR Type ind
+SYMBOL cap -176 400 M180
+WINDOW 0 24 56 Left 2
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+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
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+SYMBOL njf -624 816 M270
+WINDOW 0 51 48 VTop 2
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+SYMATTR Value 4.99K
+SYMBOL cap -432 848 R90
+WINDOW 0 0 32 VBottom 2
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+SYMATTR Value 1.98K
+SYMBOL cap -128 624 M90
+WINDOW 0 0 32 VBottom 2
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+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
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+SYMATTR Value 49.9
+SYMBOL res -32 928 R0
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+SYMATTR Value 49.9
+SYMBOL cap 192 912 R90
+WINDOW 0 0 32 VBottom 2
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+WINDOW 39 60 32 VTop 2
+SYMATTR InstName C8
+SYMATTR Value .1<EFBFBD>
+SYMBOL res -720 1680 R90
+WINDOW 0 0 56 VBottom 2
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+SYMATTR InstName R13
+SYMATTR Value 10Meg
+SYMBOL cap -736 1568 R90
+WINDOW 0 0 32 VBottom 2
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+SYMATTR InstName C9
+SYMATTR Value 2.5p
+SYMBOL res -480 1744 R90
+WINDOW 0 0 56 VBottom 2
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+SYMATTR Value 1Meg
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+WINDOW 0 0 56 VBottom 2
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+SYMATTR InstName C10
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+SYMATTR Value 100p
+SYMBOL cap 944 704 R90
+WINDOW 0 0 32 VBottom 2
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+WINDOW 123 60 32 VTop 2
+SYMATTR InstName C12
+SYMATTR Value .05<EFBFBD>
+SYMATTR Value2 IC=0
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+SYMATTR Value 2N5432
+SYMBOL njf -512 464 M270
+WINDOW 0 34 48 VCenter 2
+WINDOW 3 61 46 VCenter 2
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+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

examples/Educational/FRA/Eg1.asc

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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

examples/Educational/FRA/Eg2.asc

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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}

examples/Educational/FRA/Eg3.asc

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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>

examples/Educational/FRA/ReadMe.txt

@@ -0,0 +1,68 @@
+
+                       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

examples/Educational/Fc.asc

@@ -0,0 +1,72 @@
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+FLAG 3504 -464 0
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+SYMATTR InstName V1
+SYMATTR Value pwl(0 -10 1m 10)
+SYMBOL res 2352 -624 M90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R9
+SYMATTR Value 100
+SYMBOL diode 2656 -448 R180
+WINDOW 0 24 72 Left 2
+WINDOW 3 24 0 Left 2
+SYMATTR InstName D1
+SYMATTR Value DX
+SYMBOL bi2 2576 -240 R0
+SYMATTR InstName B1
+SYMATTR Value I={Cjo}/(1+max(V(bias),-.5*{Vj})/{Vj})**{m}
+SYMBOL capmeter 2976 -640 R0
+SYMATTR InstName U1
+SYMATTR SpiceLine current=1m freq=3Meg C=.25<EFBFBD>
+SYMBOL bi2 2576 -64 R0
+SYMATTR InstName B2
+SYMATTR Value I=max(0.,({Cjo}/(1-{Fc})**{1+m})*({1-Fc*(1+m)}-{m/Vj}*V(bias)))
+SYMBOL bi2 3616 -560 R0
+SYMATTR InstName B3
+SYMATTR Value I=V(cap)
+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.

examples/Educational/GFT.asc

@@ -0,0 +1,250 @@
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+WINDOW 123 21 100 Left 2
+WINDOW 39 0 0 Left 2
+SYMATTR Value2 AC {1-z*z}
+SYMATTR InstName Vi
+SYMATTR Value ""
+SYMBOL current 16 -304 R270
+WINDOW 0 32 40 VTop 2
+WINDOW 3 -32 40 VBottom 2
+WINDOW 123 -35 42 VBottom 2
+WINDOW 39 0 0 Left 2
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+SYMATTR Value ""
+SYMATTR Value2 AC {0.5*z*(z+1)}
+SYMBOL voltage 224 -304 R0
+WINDOW 123 0 0 Left 2
+WINDOW 39 0 0 Left 2
+WINDOW 3 31 87 Left 2
+WINDOW 0 31 35 Left 2
+SYMATTR Value 0
+SYMATTR InstName Viy
+SYMBOL voltage 224 -208 R0
+WINDOW 123 23 96 Left 2
+WINDOW 39 0 0 Left 2
+WINDOW 0 33 28 Left 2
+SYMATTR Value2 AC {0.5*z*(z-1)}
+SYMATTR InstName Vz
+SYMATTR Value ""
+SYMBOL e 0 -176 R270
+WINDOW 0 29 89 VRight 2
+WINDOW 3 -31 91 VRight 2
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+SYMATTR Value 1
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+SYMATTR InstName Rs
+SYMATTR Value 100
+SYMBOL voltage 128 -432 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 V1
+SYMATTR Value 0
+SYMBOL cap -48 -528 R0
+SYMATTR InstName C1d
+SYMATTR Value 30p
+SYMBOL res 144 -544 R0
+SYMATTR InstName Rm1
+SYMATTR Value 50
+SYMBOL cap -48 -656 R0
+SYMATTR InstName Ct1
+SYMATTR Value 5p
+SYMBOL bi 160 -656 R0
+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
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+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()

examples/Educational/HalfSlope.asc

@@ -0,0 +1,33 @@
+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
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+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.

examples/Educational/HalfSlope.plt

@@ -0,0 +1,13 @@
+[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
+   }
+}

examples/Educational/Hartly.asc

@@ -0,0 +1,82 @@
+Version 4
+SHEET 1 2764 2344
+WIRE 2080 1664 1984 1664
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+SYMATTR InstName J1
+SYMATTR Value 2N5484
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+SYMATTR InstName V1
+SYMATTR Value 10.
+SYMBOL cap 2144 1904 R90
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+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.

examples/Educational/Hartly.plt

@@ -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,-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
+   }
+}

examples/Educational/Howland.asc

@@ -0,0 +1,78 @@
+Version 4
+SHEET 1 880 696
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+FLAG 656 416 0
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+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.

examples/Educational/Howland.plt

@@ -0,0 +1,13 @@
+[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
+   }
+}

examples/Educational/IGBT.asc

@@ -0,0 +1,24 @@
+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

examples/Educational/ISO16750-2_example.asc

@@ -0,0 +1,16 @@
+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

examples/Educational/ISO7637-2_example.asc

@@ -0,0 +1,16 @@
+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

examples/Educational/IdealTransformer.asc

@@ -0,0 +1,78 @@
+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
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+WIRE -336 288 -336 272
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+FLAG -336 288 0
+FLAG 400 256 0
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+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

examples/Educational/LM308.asc

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+SYMATTR Value -15
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+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-

examples/Educational/LM308.plt

@@ -0,0 +1,13 @@
+[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
+   }
+}

examples/Educational/LM741.asc

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+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)

examples/Educational/LM741.plt

@@ -0,0 +1,13 @@
+[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
+   }
+}

examples/Educational/LM78XX.asc

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+SYMATTR InstName Q6
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+SYMATTR InstName Q12
+SYMATTR Value NP
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+WINDOW 3 33 104 Right 2
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+SYMATTR InstName R16
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+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
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+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

examples/Educational/LM78XX.plt

@@ -0,0 +1,13 @@
+[Transient Analysis]
+{
+   Npanes: 1
+   {
+      traces: 1 {524290,0,"V(out)"}
+      X: ('m',0,0,0.001,0.01)
+      Y[0]: (' ',0,0,2,16)
+      Y[1]: (' ',1,1e+308,0.2,-1e+308)
+      Volts: (' ',0,0,0,0,2,16)
+      Log: 0 0 0
+      GridStyle: 1
+   }
+}

examples/Educational/Linkwitz.asc

@@ -0,0 +1,197 @@
+Version 4
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+SYMATTR InstName C1
+SYMATTR Value {Cspk}
+SYMATTR Value2 Rser={Rspk}
+SYMBOL ind 544 1744 R0
+SYMATTR InstName L1
+SYMATTR Value {Lspk}
+SYMATTR SpiceLine Rser=0
+SYMBOL voltage -592 1440 R0
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+SYMATTR Value {R1}
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+SYMATTR Value {R3}
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+SYMATTR Value {C1}
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+SYMATTR InstName C5
+SYMATTR Value {C3}
+SYMBOL voltage -784 1648 R90
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+WINDOW 3 32 56 VTop 2
+SYMATTR InstName V2
+SYMATTR Value {R1/1K}
+SYMBOL voltage -784 1776 R90
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+WINDOW 3 32 56 VTop 2
+SYMATTR InstName V3
+SYMATTR Value {R2/1K}
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+WINDOW 3 32 56 VTop 2
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+SYMATTR Value {R3/1K}
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+WINDOW 3 32 56 VTop 2
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+WINDOW 3 32 56 VTop 2
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+SYMATTR Value {C3/1u}
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+WINDOW 0 -32 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName V7
+SYMATTR Value {Vb}
+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
+RECTANGLE Normal 96 1984 -1280 1088 2
+RECTANGLE Normal -288 1968 -960 1584 2
+RECTANGLE Normal 672 1648 176 1520 2
+RECTANGLE Normal 672 1344 144 1296 2
+RECTANGLE Normal 736 1248 128 1088 2
+RECTANGLE Normal 752 1888 128 1264 2
+RECTANGLE Normal -336 1288 -1264 1128 2

examples/Educational/Linkwitz.plt

@@ -0,0 +1,24 @@
+[AC Analysis]
+{
+   Npanes: 2
+   {
+      traces: 2 {589826,0,"V(out)"} {3,0,"V(out)/V(eq)"}
+      X: ('K',0,10,0,10000)
+      Y[0]: (' ',0,0.00316227766016838,5,1)
+      Y[1]: (' ',0,-200,40,200)
+      Log: 1 2 0
+      GridStyle: 1
+      PltMag: 1
+      PltPhi: 1 0
+   },
+   {
+      traces: 1 {524292,0,"V(eq)"}
+      X: ('K',0,10,0,10000)
+      Y[0]: (' ',0,0.891250938133746,1,3.54813389233576)
+      Y[1]: (' ',0,132,4,180)
+      Log: 1 2 0
+      GridStyle: 1
+      PltMag: 1
+      PltPhi: 1 0
+   }
+}

examples/Educational/LoopGain.asc

@@ -0,0 +1,164 @@
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+FLAG 480 560 Y
+FLAG 96 144 +V
+FLAG -256 464 +V
+FLAG -368 576 0
+FLAG -368 464 -V
+FLAG 96 240 -V
+FLAG 96 512 +V
+FLAG 96 608 -V
+FLAG 672 720 0
+SYMBOL voltage -256 464 R0
+WINDOW 123 0 0 Left 2
+WINDOW 39 0 0 Left 2
+SYMATTR InstName V1
+SYMATTR Value 15
+SYMBOL current 384 80 R0
+WINDOW 38 39 48 Left 2
+SYMATTR SpiceModel AC
+SYMATTR InstName I1
+SYMATTR Value 1
+SYMBOL voltage 384 192 R90
+WINDOW 0 -32 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName V3
+SYMATTR Value 0
+SYMBOL voltage 416 192 R270
+WINDOW 0 32 56 VTop 2
+WINDOW 3 -32 56 VBottom 2
+WINDOW 123 0 0 Left 2
+WINDOW 39 0 0 Left 2
+SYMATTR InstName V4
+SYMATTR Value 0
+SYMBOL res 672 240 R0
+SYMATTR InstName R1
+SYMATTR Value 100
+SYMBOL res -96 192 R0
+SYMATTR InstName R2
+SYMATTR Value 1K
+SYMBOL res 176 368 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R3
+SYMATTR Value 1K
+SYMBOL cap 208 288 R90
+WINDOW 0 0 32 VBottom 2
+WINDOW 3 32 32 VTop 2
+SYMATTR InstName C1
+SYMATTR Value 3p
+SYMBOL Opamps\\LT1001 96 128 R0
+WINDOW 0 27 42 Left 2
+WINDOW 3 25 87 Left 2
+SYMATTR InstName U1
+SYMBOL res -96 544 R0
+SYMATTR InstName R5
+SYMATTR Value 1K
+SYMBOL res 176 768 M270
+WINDOW 0 32 56 VTop 2
+WINDOW 3 0 56 VBottom 2
+SYMATTR InstName R6
+SYMATTR Value 1K
+SYMBOL cap 208 688 M270
+WINDOW 0 32 32 VTop 2
+WINDOW 3 0 32 VBottom 2
+SYMATTR InstName C2
+SYMATTR Value 3p
+SYMBOL voltage -368 464 R0
+WINDOW 123 0 0 Left 2
+WINDOW 39 0 0 Left 2
+SYMATTR InstName V5
+SYMATTR Value -15
+SYMBOL Opamps\\LT1001 96 496 R0
+WINDOW 0 27 42 Left 2
+WINDOW 3 25 87 Left 2
+SYMATTR InstName U2
+SYMBOL res 656 608 R0
+SYMATTR InstName R4
+SYMATTR Value 100
+SYMBOL voltage 464 560 R90
+WINDOW 0 -32 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+WINDOW 38 60 56 VTop 2
+SYMATTR InstName V2
+SYMATTR Value 1
+SYMATTR SpiceModel AC
+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.
+LINE Normal 524 258 524 33
+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

examples/Educational/LoopGain.plt

@@ -0,0 +1,14 @@
+[AC Analysis]
+{
+   Npanes: 1
+   {
+      traces: 1 {2,0,"((I(V3)/I(V4))*(-V(x)/V(y))-1)/((I(V3)/I(V4))+(-V(x)/V(y))+2)"}
+      X: ('M',0,0.1,0,1e+008)
+      Y[0]: (' ',0,1e-006,20,1e+006)
+      Y[1]: (' ',0,-300,30,60)
+      Log: 1 2 0
+      GridStyle: 1
+      PltMag: 1
+      PltPhi: 1 0
+   }
+}

examples/Educational/LoopGain2.asc

@@ -0,0 +1,97 @@
+Version 4
+SHEET 1 2168 1300
+WIRE 144 144 144 128
+WIRE -32 160 -80 160
+WIRE 112 160 -32 160
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+WIRE 672 176 464 176
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+FLAG 144 224 -V
+FLAG 672 288 0
+FLAG 672 176 x
+SYMBOL voltage -112 400 R0
+WINDOW 123 0 0 Left 2
+WINDOW 39 0 0 Left 2
+SYMATTR InstName V1
+SYMATTR Value 15
+SYMBOL res 992 224 R0
+SYMATTR InstName R1
+SYMATTR Value 100
+SYMBOL res -48 160 R0
+SYMATTR InstName R2
+SYMATTR Value 1K
+SYMBOL res 224 336 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R3
+SYMATTR Value 1K
+SYMBOL cap 256 256 R90
+WINDOW 0 0 32 VBottom 2
+WINDOW 3 32 32 VTop 2
+SYMATTR InstName C1
+SYMATTR Value 3p
+SYMBOL Opamps\\LT1001 144 112 R0
+WINDOW 0 27 42 Left 2
+WINDOW 3 25 87 Left 2
+SYMATTR InstName U1
+SYMBOL voltage -224 400 R0
+WINDOW 123 0 0 Left 2
+WINDOW 39 0 0 Left 2
+SYMATTR InstName V5
+SYMATTR Value -15
+SYMBOL current 672 272 M180
+WINDOW 0 24 77 Left 2
+WINDOW 3 24 0 Left 2
+WINDOW 123 37 33 Left 2
+WINDOW 39 0 0 Left 2
+SYMATTR InstName Ii
+SYMATTR Value ""
+SYMATTR Value2 AC {u(prb)}
+SYMBOL voltage 480 176 M270
+WINDOW 0 32 56 VTop 2
+WINDOW 3 -32 56 VBottom 2
+WINDOW 123 -32 56 VBottom 2
+WINDOW 39 -32 56 VBottom 2
+SYMATTR InstName Vi
+SYMATTR Value ""
+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

examples/Educational/LoopGain2.plt

@@ -0,0 +1,14 @@
+[AC Analysis]
+{
+   Npanes: 1
+   {
+      traces: 1 {2,0,"-1/(1-1/(2*(I(Vi)@1*V(x)@2-V(x)@1*I(Vi)@2)+V(x)@1+I(Vi)@2))"}
+      X: ('M',0,0.1,0,1e+008)
+      Y[0]: (' ',0,1e-006,20,1e+006)
+      Y[1]: (' ',0,-300,30,60)
+      Log: 1 2 0
+      GridStyle: 1
+      PltMag: 1
+      PltPhi: 1 0
+   }
+}

examples/Educational/MC1648.asc

@@ -0,0 +1,228 @@
+Version 4
+SHEET 1 1348 1188
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+WIRE -640 992 -656 992
+WIRE -544 992 -544 912
+WIRE -544 992 -560 992
+FLAG 128 64 Vcc1
+FLAG 160 368 OUT
+FLAG -256 816 AGC
+FLAG -352 816 Vee
+FLAG -400 32 Vcc2
+FLAG -544 816 Tank
+FLAG -656 816 Bias
+FLAG -736 816 Vee1
+FLAG -736 848 0
+FLAG -352 848 0
+FLAG -256 912 0
+FLAG 320 208 0
+FLAG -736 912 0
+SYMBOL npn 64 128 R0
+SYMATTR InstName Q1
+SYMATTR Value NP
+SYMBOL res 112 528 R0
+SYMATTR InstName R1
+SYMATTR Value 300
+SYMBOL npn 80 192 M0
+SYMATTR InstName Q2
+SYMATTR Value NP
+SYMBOL npn -112 192 R0
+SYMATTR InstName Q3
+SYMATTR Value NP
+SYMBOL res 0 64 R0
+SYMATTR InstName R2
+SYMATTR Value 400
+SYMBOL res -32 528 R0
+SYMATTR InstName R3
+SYMATTR Value 1K
+SYMBOL res -144 64 R0
+SYMATTR InstName R4
+SYMATTR Value 2K
+SYMBOL res -144 640 R0
+SYMATTR InstName R5
+SYMATTR Value 1K
+SYMBOL npn -192 336 R0
+SYMATTR InstName Q4
+SYMATTR Value NP
+SYMBOL npn -144 576 M0
+SYMATTR InstName Q5
+SYMATTR Value NP
+SYMBOL diode -272 544 R90
+WINDOW 0 0 32 VBottom 2
+WINDOW 3 32 32 VTop 2
+SYMATTR InstName D1
+SYMATTR Value DD
+SYMBOL res -224 672 R0
+SYMATTR InstName R6
+SYMATTR Value 600
+SYMBOL npn -336 400 M0
+SYMATTR InstName Q6
+SYMATTR Value NP
+SYMBOL npn -528 400 R0
+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.

examples/Educational/MC1648.plt

@@ -0,0 +1,22 @@
+[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
+   }
+}

examples/Educational/MeasureBW.asc

@@ -0,0 +1,80 @@
+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
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+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.

examples/Educational/MeasureBW.plt

@@ -0,0 +1,14 @@
+[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
+   }
+}

examples/Educational/MonteCarlo.asc

@@ -0,0 +1,71 @@
+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
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+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.

examples/Educational/MonteCarlo.plt

@@ -0,0 +1,14 @@
+[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
+   }
+}

examples/Educational/NE555.asc

@@ -0,0 +1,448 @@
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+SYMATTR Value NP
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+SYMATTR InstName Q2
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+SYMATTR InstName Q3
+SYMATTR Value NP
+SYMBOL npn 1248 640 M0
+SYMATTR InstName Q4
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+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

examples/Educational/NE555.plt

@@ -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
+   }
+}

examples/Educational/NoiseFigure.asc

@@ -0,0 +1,82 @@
+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
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+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

examples/Educational/NoiseFigure.plt

@@ -0,0 +1,12 @@
+[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
+   }
+}

examples/Educational/NonLinearTransformer.asc

@@ -0,0 +1,106 @@
+Version 4
+SHEET 1 1608 720
+WIRE 704 -16 640 -16
+WIRE 1136 -16 1056 -16
+WIRE 704 0 704 -16
+WIRE 1056 0 1056 -16
+WIRE 864 16 752 16
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+WIRE 208 272 208 240
+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

examples/Educational/NonLinearTransformer.plt

@@ -0,0 +1,22 @@
+[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
+   }
+}

examples/Educational/P2.asc

@@ -0,0 +1,853 @@
+Version 4
+SHEET 1 2948 1524
+WIRE 464 16 176 16
+WIRE 736 16 464 16
+WIRE 1056 16 736 16
+WIRE 1136 16 1056 16
+WIRE 1280 16 1136 16
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+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

examples/Educational/P2.plt

@@ -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
+   }
+}

examples/Educational/PAsystem/2N3904.asy

@@ -0,0 +1,42 @@
+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

examples/Educational/PAsystem/2N3906.asy

@@ -0,0 +1,39 @@
+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

examples/Educational/PAsystem/2N5458.asy

@@ -0,0 +1,44 @@
+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

examples/Educational/PAsystem/HandsFreeLayout.asc

@@ -0,0 +1,114 @@
+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

examples/Educational/PAsystem/HandsFreePreamp.asc

@@ -0,0 +1,116 @@
+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)

examples/Educational/PAsystem/MylarCap.asy

@@ -0,0 +1,17 @@
+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

examples/Educational/PAsystem/PowerAmp.asc

@@ -0,0 +1,317 @@
+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
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+WINDOW 0 48 66 Left 2
+WINDOW 3 48 -3 Right 2
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+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
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+SYMBOL res 32 480 R0
+SYMATTR InstName R21
+SYMATTR Value 50K
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+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

examples/Educational/PAsystem/PowerAmpLayout.asc

@@ -0,0 +1,309 @@
+Version 4
+SHEET 1 1856 1012
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+WIRE 672 656 672 640
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+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

examples/Educational/PAsystem/RN55upright.asy

@@ -0,0 +1,17 @@
+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

examples/Educational/PAsystem/ReadMe.txt

@@ -0,0 +1,71 @@
+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

examples/Educational/PAsystem/SMcap.asy

@@ -0,0 +1,18 @@
+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

examples/Educational/PAsystem/SMdiode.asy

@@ -0,0 +1,29 @@
+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
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+LINE Normal -16 -23 16 -23
+LINE Normal 0 -23 0 -32
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+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

examples/Educational/PAsystem/TIP121.LIB

@@ -0,0 +1,50 @@
+**************************************
+*      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

examples/Educational/PAsystem/TIP121.asy

@@ -0,0 +1,45 @@
+Version 4
+SymbolType CELL
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+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

examples/Educational/PAsystem/TIP127.LIB

@@ -0,0 +1,50 @@
+**************************************
+*      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

examples/Educational/PAsystem/TIP127.asy

@@ -0,0 +1,45 @@
+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

examples/Educational/PAsystem/UprightPowerResistor.asy

@@ -0,0 +1,17 @@
+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

examples/Educational/PAsystem/coaxCap7.asy

@@ -0,0 +1,30 @@
+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

examples/Educational/PAsystem/ndarlington.asy

@@ -0,0 +1,64 @@
+Version 4
+SymbolType BLOCK
+LINE Normal -48 0 -48 -32
+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
+LINE Normal -16 48 -16 16
+LINE Normal -16 32 0 0
+LINE Normal -16 32 0 64
+LINE Normal 0 64 -3 52
+LINE Normal 0 64 -8 55
+LINE Normal -3 52 -8 55
+LINE Normal 0 -64 0 0
+LINE Normal -55 32 -16 32
+LINE Normal -32 41 -30 43
+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
+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
+LINE Normal 0 80 0 64
+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 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

examples/Educational/PAsystem/pdarlington.asy

@@ -0,0 +1,64 @@
+Version 4
+SymbolType BLOCK
+LINE Normal -48 32 -48 0
+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
+LINE Normal 0 -64 0 -80
+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
+CIRCLE Normal 1 -69 -1 -71
+CIRCLE Normal 2 -68 -2 -72
+CIRCLE Normal 3 -67 -3 -73
+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

examples/Educational/PLL.asc

@@ -0,0 +1,88 @@
+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.

examples/Educational/PLL.plt

@@ -0,0 +1,27 @@
+[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
+   }
+}

examples/Educational/PLL2.asc

@@ -0,0 +1,87 @@
+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.

examples/Educational/PLL2.plt

@@ -0,0 +1,22 @@
+[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
+   }
+}

examples/Educational/Pierce.asc

@@ -0,0 +1,128 @@
+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.

examples/Educational/Pierce.plt

@@ -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
+   }
+}

examples/Educational/Royer.asc

@@ -0,0 +1,197 @@
+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
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+WIRE 1504 1312 1504 1248
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+WIRE 1520 1312 1504 1312
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+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
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+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

examples/Educational/Royer.plt

@@ -0,0 +1,13 @@
+[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
+   }
+}

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+SYMBOL cap 864 384 M90
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+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

examples/Educational/S-param.plt

@@ -0,0 +1,25 @@
+[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
+   }
+}

examples/Educational/SOAtherm-Tutorial.asc

@@ -0,0 +1,156 @@
+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
+WIRE 176 -352 32 -352
+WIRE 368 -352 272 -352
+WIRE 608 -352 368 -352
+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

examples/Educational/SampleAndHold.asc

@@ -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.

examples/Educational/SampleAndHold.plt

@@ -0,0 +1,32 @@
+[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
+   }
+}

examples/Educational/SoftDiodeRecovery.asc

@@ -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

examples/Educational/Transformer.asc

@@ -0,0 +1,40 @@
+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

examples/Educational/Transformer.plt

@@ -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
+   }
+}

examples/Educational/Transformer2.asc

@@ -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

examples/Educational/Transformer2.plt

@@ -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
+   }
+}

examples/Educational/TransmissionLineInverter.asc

@@ -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.

examples/Educational/TransmissionLineInverter.plt

@@ -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
+   }
+}

examples/Educational/TwoTau.asc

@@ -0,0 +1,67 @@
+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.

examples/Educational/UHFpreamp.asc

@@ -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

examples/Educational/UHFpreamp.plt

@@ -0,0 +1,14 @@
+[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
+   }
+}

examples/Educational/UniversalOpamp2.asc

@@ -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.

examples/Educational/UniversalOpamp2.plt

@@ -0,0 +1,45 @@
+[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
+   }
+}