Version 4
SHEET 1 880 680
WIRE -16 -16 -400 -16
WIRE 64 -16 -16 -16
WIRE 368 -16 64 -16
WIRE 480 -16 368 -16
WIRE -16 16 -16 -16
WIRE 480 0 480 -16
WIRE 192 16 96 16
WIRE 368 16 368 -16
WIRE 368 16 256 16
WIRE 96 96 96 16
WIRE 112 96 96 96
WIRE 368 96 368 16
WIRE 368 96 336 96
WIRE -112 160 -288 160
WIRE -96 160 -112 160
WIRE -16 160 -16 96
WIRE -16 160 -32 160
WIRE 112 160 -16 160
WIRE 384 160 336 160
WIRE 480 160 480 80
WIRE 480 160 464 160
WIRE -288 192 -288 160
WIRE 112 224 -160 224
WIRE 368 224 336 224
WIRE 384 224 368 224
WIRE 480 224 480 160
WIRE 480 224 448 224
WIRE -112 256 -112 160
WIRE 64 288 64 -16
WIRE 112 288 64 288
WIRE 416 288 336 288
WIRE -400 304 -400 -16
WIRE -288 304 -288 272
WIRE 416 336 416 288
WIRE 480 336 480 224
WIRE -112 384 -112 320
WIRE 368 384 368 224
WIRE 368 384 -112 384
WIRE -400 448 -400 384
WIRE -288 448 -288 384
WIRE -288 448 -400 448
WIRE -176 448 -288 448
WIRE 96 448 96 96
WIRE 96 448 -176 448
WIRE 416 448 416 400
WIRE 416 448 96 448
WIRE 480 448 480 400
WIRE 480 448 416 448
WIRE -176 464 -176 448
FLAG -176 464 0
SYMBOL Misc\\NE555 224 192 R0
SYMATTR InstName U1
SYMBOL cap 464 336 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL res 480 144 R90
WINDOW 0 -3 99 VBottom 2
WINDOW 3 -28 47 VTop 2
SYMATTR InstName R2
SYMATTR Value 220
SYMBOL res 464 -16 R0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL res -32 0 R0
WINDOW 0 31 46 Left 2
WINDOW 3 30 78 Left 2
SYMATTR InstName R4
SYMATTR Value 22k
SYMBOL cap -32 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.1µ
SYMBOL cap 256 0 R90
WINDOW 0 46 58 VBottom 2
WINDOW 3 18 -5 VTop 2
SYMATTR InstName C4
SYMATTR Value 0.1µ
SYMBOL cap 400 336 R0
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL voltage -400 288 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL diode -128 256 R0
SYMATTR InstName D1
SYMBOL voltage -288 288 R0
WINDOW 3 -15 104 Invisible 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0.5 11 0.5 0.001 0.001 1 2 3)
SYMBOL res -304 176 R0
SYMATTR InstName R6
SYMATTR Value 10
SYMBOL diode 448 208 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
TEXT -288 144 Left 2 ;Trig_In
TEXT -434 488 Left 2 !.tran 20 startup
TEXT -192 240 Left 2 ;Out