Version 4
SHEET 1 1632 680
WIRE 896 -272 624 -272
WIRE 1248 -272 896 -272
WIRE 1424 -272 1248 -272
WIRE 624 -224 624 -272
WIRE 896 -224 896 -272
WIRE 1248 -128 1248 -272
WIRE 624 -112 624 -160
WIRE 1424 -16 1424 -272
WIRE 624 0 624 -32
WIRE 720 0 624 0
WIRE 896 0 896 -144
WIRE 896 0 784 0
WIRE 1056 0 896 0
WIRE 624 32 624 0
WIRE 1056 64 1056 0
WIRE 144 80 128 80
WIRE 256 80 208 80
WIRE 384 80 336 80
WIRE 432 80 384 80
WIRE 560 80 512 80
WIRE 1248 112 1248 -48
WIRE 128 128 128 80
WIRE 1056 160 1056 144
WIRE 1184 160 1056 160
WIRE 384 176 384 80
WIRE 1056 176 1056 160
WIRE 896 208 896 0
WIRE 128 320 128 208
WIRE 384 320 384 256
WIRE 384 320 128 320
WIRE 624 320 624 128
WIRE 624 320 384 320
WIRE 896 320 896 272
WIRE 896 320 624 320
WIRE 1056 320 1056 256
WIRE 1056 320 896 320
WIRE 1248 320 1248 208
WIRE 1248 320 1056 320
WIRE 1424 320 1424 64
WIRE 1424 320 1248 320
WIRE 384 368 384 320
FLAG 384 368 0
SYMBOL voltage 128 112 R0
WINDOW 3 -355 111 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0 3.3 5m 10n 10n 500u 1m 300)
SYMATTR InstName V1
SYMBOL cap 208 64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL res 368 160 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 528 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL npn 560 32 R0
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL LED 608 -224 R0
SYMATTR InstName D1
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 608 -128 R0
SYMATTR InstName R3
SYMATTR Value 680
SYMBOL res 880 -240 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 1040 48 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL cap 880 208 R0
SYMATTR InstName C2
SYMATTR Value 220u
SYMBOL diode 784 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL npn 1184 112 R0
SYMATTR InstName Q2
SYMATTR Value BC547B
SYMBOL res 1232 -144 R0
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL voltage 1424 -32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL res 352 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL res 1040 160 R0
SYMATTR InstName R6
SYMATTR Value 10k
TEXT 160 440 Left 2 !.tran 700m