Version 4 SHEET 1 2284 728 WIRE 192 -224 16 -224 WIRE 656 -224 192 -224 WIRE 960 -224 656 -224 WIRE 1184 -224 960 -224 WIRE 656 -32 656 -224 WIRE 192 0 192 -224 WIRE 432 16 400 16 WIRE 592 16 512 16 WIRE 960 64 960 -224 WIRE 400 96 400 16 WIRE 1184 96 1184 -224 WIRE 192 144 192 80 WIRE 336 144 192 144 WIRE 16 160 16 -224 WIRE 192 352 192 144 WIRE 496 352 192 352 WIRE 656 352 656 64 WIRE 656 352 560 352 WIRE 784 352 656 352 WIRE 960 352 960 144 WIRE 960 352 848 352 WIRE 656 416 656 352 WIRE 960 416 960 352 WIRE 16 528 16 240 WIRE 400 528 400 192 WIRE 400 528 16 528 WIRE 656 528 656 496 WIRE 656 528 400 528 WIRE 960 528 960 480 WIRE 960 528 656 528 WIRE 1184 528 1184 160 WIRE 1184 528 960 528 WIRE 16 608 16 528 FLAG 16 608 0 SYMBOL current 16 240 R180 WINDOW 0 24 80 Left 2 WINDOW 3 24 0 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName I1 SYMATTR Value 4µA SYMBOL res 176 -16 R0 SYMATTR InstName R1 SYMATTR Value 2Meg SYMBOL npn 336 96 R0 SYMATTR InstName Q1 SYMATTR Value BC547B SYMBOL res 528 0 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 23k SYMBOL pnp 592 64 M180 SYMATTR InstName Q2 SYMATTR Value BC857A SYMBOL res 640 400 R0 SYMATTR InstName R3 SYMATTR Value 22 SYMBOL cap 560 336 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 100nF SYMBOL cap 784 368 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C2 SYMATTR Value 100µF SYMBOL LED 944 416 R0 SYMATTR InstName D1 SYMATTR Value LED SYMATTR Description Diode SYMATTR Type diode SYMBOL res 944 48 R0 SYMATTR InstName R4 SYMATTR Value 23k SYMBOL cap 1168 96 R0 SYMATTR InstName C3 SYMATTR Value 100µF TEXT -56 632 Left 2 !.tran 100s startup TEXT -64 712 Left 2 !.model LED D(Is=4.352e-7 Rs=.032 N=8.37 Cjo=5n Xti=100 Iave=20A Vpk=1.6 mfg=Luminus type=LED)