initial commit

examples/Educational/logamp.asc

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+Version 4
+SHEET 1 5945676 13421556
+WIRE 1472 -304 1440 -304
+WIRE 1568 -304 1536 -304
+WIRE 1440 -192 1440 -304
+WIRE 1472 -192 1440 -192
+WIRE 1568 -192 1568 -304
+WIRE 1568 -192 1536 -192
+WIRE 1440 -112 1440 -192
+WIRE 1456 -112 1440 -112
+WIRE 1568 -112 1568 -192
+WIRE 1568 -112 1552 -112
+WIRE 1712 -48 1696 -48
+WIRE 1808 -48 1792 -48
+WIRE 1840 -48 1808 -48
+WIRE 1936 -48 1920 -48
+WIRE 1808 48 1808 -48
+WIRE 1824 48 1808 48
+WIRE 1328 64 1216 64
+WIRE 1440 64 1440 -112
+WIRE 1440 64 1408 64
+WIRE 1472 64 1440 64
+WIRE 1936 64 1936 -48
+WIRE 1936 64 1888 64
+WIRE 1952 64 1936 64
+WIRE 1216 80 1216 64
+WIRE 1568 80 1568 -112
+WIRE 1568 80 1536 80
+WIRE 1600 80 1568 80
+WIRE 1712 80 1696 80
+WIRE 1760 80 1712 80
+WIRE 1824 80 1760 80
+WIRE 1472 96 1456 96
+WIRE 1760 128 1760 80
+WIRE 1712 144 1712 80
+WIRE 1712 144 1648 144
+WIRE 1216 176 1216 160
+WIRE 1760 240 1760 208
+FLAG 1216 176 0
+FLAG 1504 -48 0
+FLAG 1456 96 0
+FLAG 1760 240 0
+FLAG 1696 -48 0
+FLAG 1952 64 OUT
+FLAG 1216 64 IN
+SYMBOL RES 1424 48 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R1
+SYMATTR Value 1K
+SYMBOL OPAMPS\\OPAMP 1504 16 R0
+SYMATTR InstName U1
+SYMBOL OPAMPS\\OPAMP 1856 0 R0
+SYMATTR InstName U2
+SYMBOL cap 1536 -320 R90
+WINDOW 0 0 32 VBottom 2
+WINDOW 3 32 32 VTop 2
+SYMATTR InstName C1
+SYMATTR Value 30p
+SYMBOL diode 1536 -208 R90
+WINDOW 0 0 32 VBottom 2
+WINDOW 3 32 32 VTop 2
+SYMATTR InstName D1
+SYMATTR Value 1N4148
+SYMBOL NPN 1456 -48 R270
+WINDOW 0 52 48 VCenter 2
+WINDOW 3 -34 49 VCenter 2
+SYMATTR InstName Q1
+SYMATTR Value 2N3904
+SYMBOL npn 1696 144 M270
+WINDOW 0 62 46 VCenter 2
+WINDOW 3 -22 49 VCenter 2
+SYMATTR InstName Q2
+SYMATTR Value 2N3904
+SYMBOL CURRENT 1760 208 M180
+WINDOW 0 24 88 Left 2
+WINDOW 3 24 0 Left 2
+SYMATTR InstName I1
+SYMATTR Value 100<30>
+SYMBOL res 1808 -64 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R2
+SYMATTR Value 1K
+SYMBOL res 1936 -64 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R3
+SYMATTR Value 15K
+SYMBOL BV 1216 64 R0
+SYMATTR InstName B1
+SYMATTR Value V=exp(time-7)
+TEXT 1872 136 Left 2 !.tran 10
+TEXT 1416 256 Left 2 !.include opamp.sub
+TEXT 1408 224 Left 2 !.options maxstep=2m
+TEXT 1656 -256 Left 2 ;Log amp
+TEXT 1552 280 Top 1 ;This example schematic is supplied for informational/educational purposes only.