Version 4 SHEET 1 880 680 WIRE -32 80 -32 64 WIRE 144 80 -32 80 WIRE 176 80 144 80 WIRE 304 80 256 80 WIRE 144 112 144 80 WIRE 304 128 304 80 WIRE -32 176 -32 144 WIRE 384 208 304 208 WIRE 384 224 384 208 WIRE 144 256 144 208 WIRE 144 256 -32 256 WIRE 304 256 304 208 WIRE 304 256 144 256 FLAG 384 224 0 SYMBOL voltage 304 112 R0 WINDOW 3 24 44 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value 9 SYMATTR InstName V1 SYMBOL res 160 64 M90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 680 SYMBOL npn 80 208 M180 SYMATTR InstName Q1 SYMATTR Value 2N2222 SYMBOL cap -48 80 R0 SYMATTR InstName C1 SYMATTR Value 10µ SYMBOL res -48 160 R0 SYMATTR InstName R2 SYMATTR Value 8 TEXT -16 264 Left 2 !.tran 1s startup