Version 4 SHEET 1 884 780 WIRE 64 -320 -400 -320 WIRE 288 -320 64 -320 WIRE 624 -320 288 -320 WIRE 672 -320 624 -320 WIRE 800 -320 672 -320 WIRE 832 -320 800 -320 WIRE 64 -304 64 -320 WIRE -400 -288 -400 -320 WIRE 64 -208 64 -224 WIRE 144 -208 64 -208 WIRE -400 -192 -400 -208 WIRE 64 -176 64 -208 WIRE 288 -128 288 -320 WIRE -400 -96 -400 -128 WIRE -272 -96 -400 -96 WIRE -272 -80 -272 -96 WIRE 64 -80 64 -96 WIRE 192 -80 64 -80 WIRE 224 -80 192 -80 WIRE -400 -64 -400 -96 WIRE 64 -64 64 -80 WIRE 624 -64 624 -320 WIRE 800 -32 800 -320 WIRE 288 -16 288 -32 WIRE 448 -16 288 -16 WIRE 560 -16 528 -16 WIRE -272 32 -272 -16 WIRE 64 32 64 0 WIRE 288 48 288 -16 WIRE 624 48 624 32 WIRE 144 64 144 -208 WIRE -848 128 -912 128 WIRE -752 128 -784 128 WIRE -720 128 -752 128 WIRE -400 128 -400 16 WIRE -400 128 -512 128 WIRE -256 128 -400 128 WIRE 144 160 144 128 WIRE 144 160 -144 160 WIRE 288 160 288 128 WIRE 288 160 144 160 WIRE 432 160 288 160 WIRE 624 160 624 128 WIRE 624 160 432 160 WIRE 672 160 624 160 WIRE 800 160 800 48 WIRE 800 160 752 160 WIRE 864 160 800 160 WIRE 624 192 624 160 WIRE -720 208 -720 128 WIRE -144 208 -144 160 WIRE 384 208 208 208 WIRE -912 256 -912 128 WIRE 64 256 64 96 WIRE 64 256 -64 256 WIRE 208 256 208 208 WIRE 864 256 864 160 WIRE -256 272 -256 128 WIRE -512 288 -512 128 WIRE -64 288 -64 256 WIRE 384 304 384 208 WIRE 384 304 320 304 WIRE 624 304 624 272 WIRE 624 304 384 304 WIRE -144 320 -144 288 WIRE -144 320 -192 320 WIRE 800 320 800 160 WIRE -720 336 -720 288 WIRE -640 336 -720 336 WIRE -576 336 -640 336 WIRE 624 336 624 304 WIRE 64 352 64 256 WIRE 144 352 64 352 WIRE 208 352 208 320 WIRE 208 352 144 352 WIRE 256 352 208 352 WIRE -640 368 -640 336 WIRE 624 368 624 336 WIRE -720 384 -720 336 WIRE -512 400 -512 384 WIRE -64 400 -64 352 WIRE -64 400 -512 400 WIRE 0 400 -64 400 WIRE 320 416 320 400 WIRE 448 416 320 416 WIRE 560 416 528 416 WIRE -144 432 -144 320 WIRE -64 432 -64 400 WIRE 320 480 320 416 WIRE -720 496 -720 448 WIRE -640 496 -640 448 WIRE 64 528 64 448 WIRE 112 528 64 528 WIRE -256 560 -256 368 WIRE -64 560 -64 512 WIRE -64 560 -256 560 WIRE 64 560 64 528 WIRE 64 560 -64 560 WIRE 64 608 64 560 WIRE -144 624 -144 512 WIRE 64 736 64 688 WIRE 64 736 -96 736 WIRE 320 736 320 560 WIRE 320 736 64 736 WIRE 624 736 624 464 WIRE 624 736 320 736 WIRE 672 736 624 736 WIRE 800 736 800 400 WIRE 800 736 672 736 WIRE 832 736 800 736 FLAG 432 160 OUT FLAG 672 -320 VP FLAG 672 736 VN FLAG 176 528 0 FLAG -272 32 0 FLAG -144 688 0 FLAG -640 496 0 FLAG -720 496 0 FLAG -752 128 IN FLAG -912 336 0 FLAG 864 256 0 FLAG 192 -80 BU FLAG 144 352 BL FLAG 624 336 EL SYMBOL npn 560 -64 R0 SYMATTR InstName Q1 SYMATTR Value 2N3055 SYMBOL npn 560 368 R0 SYMATTR InstName Q2 SYMATTR Value 2N3055 SYMBOL res 608 32 R0 SYMATTR InstName R1 SYMATTR Value 0.47 SYMBOL res 608 176 R0 SYMATTR InstName R2 SYMATTR Value 0.47 SYMBOL res 272 32 R0 SYMATTR InstName R3 SYMATTR Value 100 SYMBOL npn 224 -128 R0 SYMATTR InstName Q3 SYMATTR Value 2N3019 SYMBOL pnp 256 400 M180 SYMATTR InstName Q4 SYMATTR Value 2SB1260 SYMBOL res 304 464 R0 SYMATTR InstName R4 SYMATTR Value 100 SYMBOL cap 192 256 R0 SYMATTR InstName C1 SYMATTR Value 2p SYMBOL voltage 800 -48 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 40 SYMBOL voltage 800 304 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 40 SYMBOL res 48 -320 R0 SYMATTR InstName R5 SYMATTR Value 2.2K SYMBOL res 48 -192 R0 SYMATTR InstName R6 SYMATTR Value 270 SYMBOL cap 128 64 R0 SYMATTR InstName C2 SYMATTR Value 47µ SYMBOL diode 48 -64 R0 SYMATTR InstName D1 SYMBOL diode 48 32 R0 SYMATTR InstName D2 SYMBOL npn 0 352 R0 SYMATTR InstName Q5 SYMATTR Value 2N3019 SYMBOL cap 176 512 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 10n SYMBOL res -80 416 R0 SYMATTR InstName R7 SYMATTR Value 680 SYMBOL res 48 592 R0 SYMATTR InstName R8 SYMATTR Value 100 SYMBOL pnp -576 384 M180 SYMATTR InstName Q6 SYMATTR Value BC557B SYMBOL pnp -192 368 R180 SYMATTR InstName Q7 SYMATTR Value BC557B SYMBOL res -416 -80 R0 SYMATTR InstName R9 SYMATTR Value 12K SYMBOL cap -288 -80 R0 SYMATTR InstName C4 SYMATTR Value 47µ SYMBOL res -416 -304 R0 SYMATTR InstName R10 SYMATTR Value 180 SYMBOL diode -416 -192 R0 SYMATTR InstName D3 SYMBOL res -160 416 R0 SYMATTR InstName R11 SYMATTR Value 560 SYMBOL cap -160 624 R0 SYMATTR InstName C5 SYMATTR Value 47µ SYMBOL res -160 192 R0 SYMATTR InstName R12 SYMATTR Value 18K SYMBOL res -656 352 R0 SYMATTR InstName R13 SYMATTR Value 18K SYMBOL cap -736 384 R0 SYMATTR InstName C6 SYMATTR Value 220p SYMBOL res -736 192 R0 SYMATTR InstName R14 SYMATTR Value 1K SYMBOL voltage -912 240 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value SINE(0 .65 1K) SYMBOL cap -784 112 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C7 SYMATTR Value 47µ SYMBOL res 768 144 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R15 SYMATTR Value 8 SYMBOL res 544 -32 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R16 SYMATTR Value 1 SYMBOL res 544 400 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R17 SYMATTR Value 1 SYMBOL cap -80 288 R0 SYMATTR InstName C8 SYMATTR Value 10p TEXT -552 512 Left 2 !.tran 10M