Version 4
SHEET 1 1212 680
WIRE 1136 -144 -336 -144
WIRE -272 -64 -288 -64
WIRE -160 -64 -192 -64
WIRE -128 -64 -160 -64
WIRE 256 -64 224 -64
WIRE 368 -64 336 -64
WIRE 1136 0 1136 -144
WIRE -720 32 -1056 32
WIRE -640 32 -720 32
WIRE -336 32 -336 -144
WIRE -336 32 -384 32
WIRE -128 32 -336 32
WIRE 272 32 224 32
WIRE -1056 48 -1056 32
WIRE -336 48 -336 32
WIRE -720 128 -720 32
WIRE -336 128 -336 112
WIRE -128 128 -144 128
WIRE 400 128 224 128
WIRE 832 128 480 128
WIRE 944 128 912 128
WIRE -1056 144 -1056 128
WIRE -512 176 -512 128
WIRE -720 224 -720 208
WIRE -128 224 -720 224
WIRE 1136 224 1136 80
WIRE 1136 224 224 224
WIRE -720 240 -720 224
WIRE -720 336 -720 320
FLAG -144 128 0
FLAG -160 -64 OUT
FLAG -1056 144 0
FLAG -336 128 0
FLAG -512 176 0
FLAG -1056 32 IN
FLAG 368 -64 0
FLAG -288 -64 0
FLAG -720 336 0
FLAG 272 32 _Reset
FLAG 944 128 0
SYMBOL VOLTAGE -1056 32 R0
WINDOW 123 24 117 Left 2
SYMATTR Value PWL(20u 0 25u 7.5)
SYMATTR InstName V1
SYMATTR SpiceLine Rser=10m
SYMBOL cap -352 48 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL PowerProducts\\LT1086-5 -512 32 R0
SYMATTR InstName U1
SYMBOL VOLTAGE 240 -64 R270
WINDOW 123 -53 56 VBottom 2
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName V2
SYMATTR Value 3
SYMATTR SpiceLine Rser=10m
SYMBOL res -736 112 R0
SYMATTR InstName R1
SYMATTR Value 51K
SYMBOL res -736 224 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res 1120 -16 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL LTC694 48 96 R0
SYMATTR InstName U2
SYMBOL VOLTAGE 384 128 R270
WINDOW 123 -53 56 VBottom 2
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 2 0 1u 1u 20m 40m 6)
SYMATTR SpiceLine Rser=0.1
SYMBOL VOLTAGE 816 128 R270
WINDOW 123 -53 56 VBottom 2
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName V4
SYMATTR Value PULSE(0 2 0.4 1u 1u 20m 40m)
SYMATTR SpiceLine Rser=0.1
SYMBOL res -176 -80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 100
TEXT 504 288 Left 2 !.tran 0.7