Version 4 SHEET 1 1140 680 WIRE -448 -208 -640 -208 WIRE -288 -208 -448 -208 WIRE -64 -208 -288 -208 WIRE 304 -208 -64 -208 WIRE 464 -208 304 -208 WIRE 656 -208 464 -208 WIRE 896 -208 656 -208 WIRE 1040 -208 896 -208 WIRE -448 -160 -448 -208 WIRE 592 -160 576 -160 WIRE -64 -128 -64 -208 WIRE -640 -112 -640 -208 WIRE 896 -96 896 -208 WIRE -288 -64 -288 -208 WIRE 464 -64 464 -128 WIRE 496 -64 464 -64 WIRE 576 -64 576 -160 WIRE 656 -48 656 -112 WIRE 752 -48 656 -48 WIRE 304 -16 304 -128 WIRE 304 -16 240 -16 WIRE 320 -16 304 -16 WIRE -448 16 -448 -80 WIRE -64 32 -64 -48 WIRE 32 32 -64 32 WIRE 176 32 112 32 WIRE -64 48 -64 32 WIRE 896 48 896 0 WIRE -640 64 -640 -32 WIRE -512 64 -640 64 WIRE -496 64 -512 64 WIRE 464 80 464 32 WIRE 464 80 240 80 WIRE -288 96 -288 16 WIRE -256 96 -288 96 WIRE -128 96 -192 96 WIRE 400 96 400 -16 WIRE 416 96 400 96 WIRE 32 112 32 32 WIRE 112 112 112 32 WIRE -768 128 -976 128 WIRE -688 128 -768 128 WIRE -288 128 -288 96 WIRE -192 144 -192 96 WIRE 416 160 416 96 WIRE -448 176 -448 112 WIRE -352 176 -448 176 WIRE -976 192 -976 128 WIRE -640 192 -640 160 WIRE 896 192 896 128 WIRE -976 208 -976 192 WIRE -448 208 -448 176 WIRE -288 336 -288 224 WIRE -288 352 -288 336 FLAG 896 256 0 FLAG 656 32 0 FLAG 416 240 0 FLAG 240 160 0 FLAG 32 176 0 FLAG 112 176 0 FLAG -64 144 0 FLAG -192 224 0 FLAG -288 416 0 FLAG -448 288 0 FLAG -640 272 0 FLAG -768 208 0 FLAG 1120 -208 0 FLAG -976 272 0 SYMBOL njf -688 64 R0 SYMATTR InstName J1 SYMATTR Value BF245C SYMBOL npn -352 128 R0 SYMATTR InstName Q1 SYMATTR Value BC547C SYMBOL npn 176 -16 R0 SYMATTR InstName Q2 SYMATTR Value BC547B SYMBOL npn -128 48 R0 SYMATTR InstName Q3 SYMATTR Value BC547C SYMBOL npn 400 -64 R0 SYMATTR InstName Q4 SYMATTR Value BC547C SYMBOL pnp 832 0 M180 SYMATTR InstName Q5 SYMATTR Value BC556B SYMBOL pnp 592 -112 M180 SYMATTR InstName Q6 SYMATTR Value BC556B SYMBOL res 880 32 R0 SYMATTR InstName R1 SYMATTR Value 180 SYMBOL res -80 -144 R0 SYMATTR InstName R2 SYMATTR Value 3k9 SYMBOL res -208 128 R0 SYMATTR InstName R3 SYMATTR Value 100k SYMBOL res -304 -80 R0 SYMATTR InstName R4 SYMATTR Value 1500 SYMBOL res 16 48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 10k SYMBOL res 400 144 R0 SYMATTR InstName R6 SYMATTR Value 30k SYMBOL res 304 0 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R7 SYMATTR Value 39k SYMBOL res 288 -224 R0 SYMATTR InstName R8 SYMATTR Value 47k SYMBOL res 224 64 R0 SYMATTR InstName R9 SYMATTR Value 1k5 SYMBOL res 480 -112 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R10 SYMATTR Value 2k7 SYMBOL res 480 -48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R11 SYMATTR Value 22k SYMBOL res 640 -64 R0 SYMATTR InstName R12 SYMATTR Value 2200 SYMBOL res 736 -32 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R13 SYMATTR Value 10k SYMBOL LED 880 192 R0 SYMATTR InstName D1 SYMBOL cap 96 112 R0 SYMATTR InstName C1 SYMATTR Value 220n SYMBOL cap 16 112 R0 SYMATTR InstName C2 SYMATTR Value 220n SYMBOL cap -256 112 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C3 SYMATTR Value 4.7µ SYMBOL res -304 320 R0 SYMATTR InstName R14 SYMATTR Value 2200 SYMBOL pnp -512 112 M180 SYMATTR InstName Q7 SYMATTR Value BC557B SYMBOL res -464 -176 R0 SYMATTR InstName R15 SYMATTR Value 390 SYMBOL res -464 192 R0 SYMATTR InstName R16 SYMATTR Value 680 SYMBOL res -656 -128 R0 SYMATTR InstName R17 SYMATTR Value 1000 SYMBOL res -656 176 R0 SYMATTR InstName R18 SYMATTR Value 680 SYMBOL res -784 112 R0 SYMATTR InstName R19 SYMATTR Value 100k SYMBOL voltage -976 176 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value SINE(0 100µ 77500) SYMATTR Value2 AC 1 SYMBOL voltage 1024 -208 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 -32 56 VBottom 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 12