Version 4
SHEET 1 1800 680
WIRE 432 -432 -272 -432
WIRE -272 -352 -272 -432
WIRE -272 -352 -368 -352
WIRE -128 -352 -272 -352
WIRE -16 -352 -128 -352
WIRE 352 -352 272 -352
WIRE 512 -352 352 -352
WIRE 624 -352 512 -352
WIRE -368 -336 -368 -352
WIRE 512 -336 512 -352
WIRE 624 -336 624 -352
WIRE -272 -320 -272 -352
WIRE -128 -320 -128 -352
WIRE 352 -320 352 -352
WIRE 784 -320 672 -320
WIRE 784 -304 784 -320
WIRE -368 -240 -368 -256
WIRE 512 -240 512 -272
WIRE 624 -240 624 -256
WIRE -128 -224 -128 -240
WIRE -16 -224 -128 -224
WIRE 352 -224 352 -240
WIRE 352 -224 272 -224
WIRE 432 -208 432 -432
WIRE 784 -208 784 -224
WIRE -128 -144 -128 -160
WIRE -272 -112 -272 -240
WIRE -16 -112 -272 -112
WIRE 432 -112 432 -128
WIRE 432 -112 272 -112
WIRE -16 -48 -176 -48
WIRE 400 -48 272 -48
WIRE 400 -32 400 -48
WIRE -272 -16 -272 -112
WIRE -176 -16 -176 -48
WIRE -16 16 -80 16
WIRE 320 16 272 16
WIRE 320 32 320 16
WIRE 400 64 400 48
WIRE -176 96 -176 64
WIRE -80 96 -80 80
WIRE -272 128 -272 64
WIRE -16 128 -272 128
WIRE 320 128 320 96
WIRE 320 128 272 128
WIRE 320 160 320 128
WIRE -272 176 -272 128
WIRE -16 192 -80 192
WIRE 320 192 272 192
WIRE 320 224 320 192
WIRE -272 288 -272 256
WIRE -80 288 -80 256
FLAG 320 160 0
FLAG -368 -240 0
FLAG 512 -240 0
FLAG 624 -352 OUT
FLAG -368 -352 IN
FLAG 624 -240 0
FLAG 672 -272 0
FLAG 784 -208 0
FLAG -128 -144 0
FLAG 400 64 0
FLAG -80 96 0
FLAG -176 96 0
FLAG -272 288 0
FLAG 320 224 0
FLAG -80 288 0
SYMBOL voltage -368 -352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 496 -336 R0
SYMATTR InstName C2
SYMATTR Value 680µ
SYMBOL res -288 -336 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL res -288 -32 R0
SYMATTR InstName R2
SYMATTR Value 12.1K
SYMBOL res 336 -336 R0
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL cap 304 32 R0
WINDOW 0 28 11 Left 2
SYMATTR InstName C1
SYMATTR Value 5.6n
SYMBOL sw 624 -240 R180
WINDOW 0 -23 102 Right 2
WINDOW 3 -26 2 Right 2
SYMATTR InstName S1
SYMATTR Value SHORT
SYMBOL voltage 784 -320 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 1 240m 1m 1m 10m)
SYMBOL res 384 -48 R0
SYMATTR InstName R6
SYMATTR Value 1K
SYMBOL cap -144 -224 R0
WINDOW 0 28 11 Left 2
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL cap -96 16 R0
WINDOW 0 28 11 Left 2
SYMATTR InstName C4
SYMATTR Value 1µ
SYMBOL res -144 -336 R0
SYMATTR InstName R4
SYMATTR Value 10
SYMBOL res -192 80 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 25K
SYMBOL res 416 -224 R0
SYMATTR InstName R7
SYMATTR Value 20K
SYMBOL res -288 160 R0
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL cap -96 192 R0
WINDOW 0 28 11 Left 2
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL MAX15091 128 -144 R0
SYMATTR InstName U1
TEXT 480 144 Left 2 !.model SHORT SW(Ron=10m Roff=1K Vt=.5 Vh=-.4)
TEXT 496 208 Left 2 !.tran 0.4 startup