Version 4 SHEET 1 880 680 WIRE 304 48 32 48 WIRE 464 48 304 48 WIRE 32 80 32 48 WIRE 304 96 304 48 WIRE 464 112 464 48 WIRE 240 144 192 144 WIRE 32 192 32 160 WIRE 80 192 32 192 WIRE 128 192 80 192 WIRE 464 208 464 192 WIRE 32 224 32 192 WIRE 32 320 32 288 WIRE 256 320 32 320 WIRE 304 320 304 192 WIRE 304 320 256 320 WIRE 304 352 304 320 WIRE 192 448 192 240 WIRE 304 448 304 416 WIRE 304 448 192 448 WIRE 304 496 304 448 FLAG 304 496 0 FLAG 464 208 0 FLAG 80 192 base FLAG 256 320 anode SYMBOL res 16 64 R0 SYMATTR InstName R1 SYMATTR Value 220k SYMBOL cap 16 224 R0 SYMATTR InstName C1 SYMATTR Value 10u SYMBOL voltage 464 96 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 3V SYMBOL npn 128 144 R0 SYMATTR InstName Q1 SYMATTR Value 2N3904 SYMBOL pnp 240 192 M180 SYMATTR InstName Q2 SYMATTR Value 2N3906 SYMBOL LED 288 352 R0 SYMATTR InstName D1 SYMATTR Value QTLP690C SYMATTR Description Diode SYMATTR Type diode TEXT 360 504 Left 0 !.tran 0 1s 0s