Version 4 SHEET 1 880 680 WIRE -112 -96 -208 -96 WIRE 16 -96 -112 -96 WIRE 112 -96 16 -96 WIRE 512 -96 192 -96 WIRE -208 -80 -208 -96 WIRE 512 -80 512 -96 WIRE -112 -48 -112 -96 WIRE 16 -48 16 -96 WIRE -208 16 -208 -16 WIRE 512 16 512 0 WIRE 16 80 16 32 WIRE 16 80 -432 80 WIRE -432 96 -432 80 WIRE 16 96 16 80 WIRE -352 144 -368 144 WIRE -304 144 -352 144 WIRE -176 144 -224 144 WIRE -112 144 -112 32 WIRE -112 144 -176 144 WIRE -48 144 -112 144 WIRE -432 224 -432 192 WIRE -176 224 -176 144 WIRE -112 224 -112 144 WIRE 16 224 16 192 WIRE 128 224 16 224 WIRE 224 224 128 224 WIRE 336 224 224 224 WIRE 128 272 128 224 WIRE 224 272 224 224 WIRE 336 272 336 224 WIRE -176 320 -176 288 WIRE -112 320 -112 304 WIRE 128 384 128 336 WIRE 224 384 224 352 WIRE 336 384 336 352 WIRE -352 400 -352 144 WIRE -192 400 -352 400 WIRE 16 400 16 224 WIRE 16 400 -128 400 FLAG -432 224 0 FLAG -112 320 0 FLAG 128 384 0 FLAG 224 384 0 FLAG 512 16 0 FLAG -176 320 0 FLAG -208 16 0 FLAG 336 384 0 SYMBOL pnp -368 192 R180 SYMATTR InstName Q1 SYMATTR Value 2N2905A SYMBOL pnp -48 192 M180 SYMATTR InstName Q2 SYMATTR Value 2N2905A SYMBOL res 0 -64 R0 SYMATTR InstName R1 SYMATTR Value 6k SYMBOL res -208 128 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 22k SYMBOL res -128 -64 R0 SYMATTR InstName R4 SYMATTR Value 3.2k SYMBOL res -128 208 R0 SYMATTR InstName R5 SYMATTR Value 4.7k SYMBOL cap 112 272 R0 SYMATTR InstName C1 SYMATTR Value 100p SYMBOL ind 208 256 R0 SYMATTR InstName L1 SYMATTR Value 1µ SYMBOL cap -128 384 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL voltage 512 -96 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 8V SYMBOL res 208 -112 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 200 SYMBOL cap -192 224 R0 SYMATTR InstName C3 SYMATTR Value 100n SYMBOL cap -224 -80 R0 SYMATTR InstName C4 SYMATTR Value 100n SYMBOL res 320 256 R0 SYMATTR InstName R2 SYMATTR Value 10k TEXT -546 450 Left 2 !.tran 100u