Version 4
SHEET 1 2236 680
WIRE -336 -192 -512 -192
WIRE -96 -192 -336 -192
WIRE -96 -144 -96 -192
WIRE -336 -128 -336 -192
WIRE 1232 -80 944 -80
WIRE 1024 -48 848 -48
WIRE -336 -32 -336 -64
WIRE -96 -32 -96 -64
WIRE -96 -32 -336 -32
WIRE 848 -32 848 -48
WIRE -96 -16 -96 -32
WIRE 96 16 64 16
WIRE 192 16 160 16
WIRE 848 96 848 48
WIRE 1024 96 1024 -48
WIRE -96 112 -96 64
WIRE -64 112 -96 112
WIRE 64 112 64 16
WIRE 64 112 -64 112
WIRE 96 112 64 112
WIRE 192 112 192 16
WIRE 192 112 176 112
WIRE 944 112 944 -80
WIRE 992 112 944 112
WIRE 1088 128 1056 128
WIRE 1232 128 1232 -80
WIRE 1232 128 1152 128
WIRE 1264 128 1232 128
WIRE 1376 128 1344 128
WIRE 1456 128 1376 128
WIRE -304 144 -336 144
WIRE -96 144 -96 112
WIRE -96 144 -224 144
WIRE 496 144 336 144
WIRE 624 144 560 144
WIRE 672 144 624 144
WIRE 768 144 752 144
WIRE 784 144 768 144
WIRE 896 144 864 144
WIRE 992 144 896 144
WIRE -96 176 -96 144
WIRE 0 176 -96 176
WIRE 1376 176 1376 128
WIRE 1456 176 1456 128
WIRE 192 192 192 112
WIRE 192 192 64 192
WIRE 336 192 336 144
WIRE 336 192 192 192
WIRE 384 192 336 192
WIRE 624 192 624 144
WIRE -336 208 -336 144
WIRE 0 208 -96 208
WIRE 768 224 768 144
WIRE 784 224 768 224
WIRE 1600 224 1520 224
WIRE 1776 224 1680 224
WIRE 896 240 896 144
WIRE 896 240 848 240
WIRE -96 256 -96 208
WIRE 784 256 752 256
WIRE 1456 272 1456 256
WIRE 1776 272 1776 224
WIRE 624 320 624 272
WIRE 752 320 752 256
WIRE 1024 320 1024 160
WIRE 1376 320 1376 240
WIRE 1456 320 1456 272
WIRE -96 352 -96 336
WIRE -512 368 -512 -192
WIRE -336 368 -336 272
WIRE 1776 400 1776 352
FLAG -96 352 0
FLAG -512 368 0
FLAG 384 192 out
FLAG -96 208 ref
FLAG -64 112 in-
FLAG -336 368 0
FLAG 624 320 0
FLAG 1456 320 0
FLAG 1376 320 0
FLAG 848 96 0
FLAG 1024 320 0
FLAG 752 320 0
FLAG 1776 400 0
SYMBOL voltage -96 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 2.5
SYMBOL current -96 -144 R0
WINDOW 3 -84 -70 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0 10u 1u 1p 1p 100n 1m)
SYMATTR InstName I1
SYMBOL res 192 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1G
SYMBOL Opamps\\opamp 32 128 R0
SYMATTR InstName U1
SYMBOL cap -352 -128 R0
SYMATTR InstName C1
SYMATTR Value 5p
SYMBOL cap -352 208 R0
SYMATTR InstName C2
SYMATTR Value 1p
SYMBOL cap 160 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 5p
SYMBOL res -112 -32 R0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL res -208 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1
SYMBOL res 608 176 R0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL cap 560 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 100n
SYMBOL diode 1088 144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMBOL cap 1360 176 R0
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL res 1360 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10
SYMBOL voltage 848 -48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL Opamps\\opamp 816 176 R0
SYMATTR InstName U2
SYMBOL res 880 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res 768 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL Opamps\\LT1366 1024 64 R0
SYMATTR InstName U3
SYMBOL npn 1520 176 M0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL voltage 1776 256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 3.3 510u 1n 1n 100u 1m)
SYMBOL res 1696 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
TEXT -288 312 Left 2 !.tran 0 20 0 10n
TEXT 40 240 Left 2 !.lib opamp.sub