Version 4 SHEET 1 1400 792 WIRE -1312 -720 -1440 -720 WIRE -704 -720 -1312 -720 WIRE -448 -720 -704 -720 WIRE -400 -720 -448 -720 WIRE -64 -720 -320 -720 WIRE 48 -720 -64 -720 WIRE 576 -720 48 -720 WIRE 704 -720 576 -720 WIRE -704 -704 -704 -720 WIRE -448 -688 -448 -720 WIRE -768 -656 -848 -656 WIRE -1440 -624 -1440 -720 WIRE -64 -624 -64 -720 WIRE 704 -608 704 -720 WIRE -704 -576 -704 -608 WIRE -576 -576 -704 -576 WIRE -128 -576 -576 -576 WIRE 48 -560 48 -720 WIRE -32 -528 -64 -528 WIRE -1440 -512 -1440 -544 WIRE -848 -512 -848 -656 WIRE -848 -512 -1440 -512 WIRE -816 -512 -848 -512 WIRE -704 -512 -704 -576 WIRE -704 -512 -752 -512 WIRE -32 -512 -32 -528 WIRE -16 -512 -32 -512 WIRE 576 -416 576 -720 WIRE 704 -416 704 -528 WIRE -576 -336 -576 -576 WIRE -704 -192 -704 -512 WIRE -576 -144 -576 -256 WIRE -576 -144 -640 -144 WIRE 48 -112 48 -464 WIRE -1440 -48 -1440 -512 WIRE -1312 -48 -1312 -720 WIRE -1696 0 -1888 0 WIRE -1568 0 -1632 0 WIRE -1504 0 -1568 0 WIRE -1184 0 -1248 0 WIRE -1136 0 -1184 0 WIRE -336 0 -1056 0 WIRE 48 0 48 -32 WIRE 48 0 -336 0 WIRE 320 0 48 0 WIRE 576 0 576 -352 WIRE 704 0 704 -336 WIRE 704 0 576 0 WIRE 48 32 48 0 WIRE 320 32 320 0 WIRE -576 64 -576 -144 WIRE -1888 96 -1888 0 WIRE -1568 96 -1568 0 WIRE -1440 96 -1440 48 WIRE -1376 96 -1440 96 WIRE -1312 96 -1312 48 WIRE -1312 96 -1376 96 WIRE -1184 96 -1184 0 WIRE 320 208 320 112 WIRE -1184 224 -1184 176 WIRE -336 288 -336 0 WIRE -336 288 -480 288 WIRE 576 304 576 0 WIRE 704 304 704 0 WIRE -1888 336 -1888 176 WIRE -1568 336 -1568 176 WIRE -1184 336 -1184 288 WIRE -704 336 -704 -96 WIRE -576 336 -576 144 WIRE -576 336 -704 336 WIRE -336 336 -576 336 WIRE -704 400 -704 336 WIRE 48 432 48 112 WIRE -16 480 -48 480 WIRE -1376 496 -1376 96 WIRE -48 496 -48 480 WIRE -48 496 -64 496 WIRE -704 528 -704 480 WIRE -608 528 -704 528 WIRE -480 528 -480 288 WIRE -480 528 -544 528 WIRE 704 528 704 384 WIRE -1488 544 -1568 544 WIRE -1440 544 -1488 544 WIRE -336 544 -336 336 WIRE -128 544 -336 544 WIRE -704 592 -704 528 WIRE -1568 608 -1568 544 WIRE -1488 608 -1488 544 WIRE -1376 608 -1376 592 WIRE -1568 720 -1568 672 WIRE -1488 720 -1488 672 WIRE -1488 720 -1568 720 WIRE -1376 720 -1376 688 WIRE -1376 720 -1488 720 WIRE -704 720 -704 672 WIRE -704 720 -1376 720 WIRE -464 720 -464 688 WIRE -464 720 -704 720 WIRE -400 720 -464 720 WIRE -64 720 -64 592 WIRE -64 720 -320 720 WIRE 48 720 48 528 WIRE 48 720 -64 720 WIRE 576 720 576 368 WIRE 576 720 48 720 WIRE 704 720 704 608 WIRE 704 720 576 720 FLAG 320 208 0 FLAG -1184 336 0 FLAG -1568 336 0 FLAG -1888 336 0 FLAG 704 0 0 FLAG -1488 464 0 FLAG -464 624 0 FLAG -448 -624 0 SYMBOL res 32 -128 R0 SYMATTR InstName R1 SYMATTR Value 0.5 SYMBOL res 32 16 R0 SYMATTR InstName RE SYMATTR Value 0.5 SYMBOL res 304 16 R0 SYMATTR InstName Rlast SYMATTR Value 8 SYMBOL npn -16 -560 R0 SYMATTR InstName Q1 SYMBOL pnp -16 528 M180 SYMATTR InstName Q2 SYMBOL npn -128 -624 R0 SYMATTR InstName Q5 SYMBOL npn -640 -192 M0 SYMATTR InstName Q6 SYMATTR Value BC547C SYMBOL pnp -768 -704 R0 SYMATTR InstName Q7 SYMATTR Value BC557C SYMBOL cap -752 -528 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 2n2 SYMBOL res -592 -352 R0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL res -592 48 R0 SYMATTR InstName R3 SYMATTR Value 2k4 SYMBOL npn -1504 -48 R0 WINDOW 3 -38 -19 Left 2 SYMATTR Value BC547C SYMATTR InstName Q8 SYMBOL npn -1248 -48 M0 WINDOW 3 -27 -19 Left 2 SYMATTR Value BC547C SYMATTR InstName Q9 SYMBOL res -1456 -640 R0 SYMATTR InstName R4 SYMATTR Value 103 SYMBOL res -1040 -16 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 15k SYMBOL res -1168 192 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL cap -1200 224 R0 SYMATTR InstName C2 SYMATTR Value 47µ SYMBOL pnp -128 592 M180 SYMATTR InstName Q3 SYMBOL res -720 576 R0 SYMATTR InstName R7 SYMATTR Value 1k6 SYMBOL res -1584 80 R0 SYMATTR InstName R8 SYMATTR Value 15k SYMBOL cap -1632 -16 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 1µ SYMBOL voltage -1888 80 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value2 AC 1 SYMATTR InstName V1 SYMATTR Value SINE(0 1.5 1k) SYMBOL voltage 704 -432 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 3 24 44 Left 2 SYMATTR Value SINE(26 2 50) SYMATTR InstName V2 SYMBOL voltage 704 288 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 3 24 44 Left 2 SYMATTR Value SINE(26 2 50) SYMATTR InstName V3 SYMBOL LED -1504 608 R0 SYMATTR InstName D1 SYMATTR Value NSCW100 SYMBOL npn -1440 496 R0 SYMATTR InstName Q4 SYMBOL res -1392 592 R0 SYMATTR InstName R10 SYMATTR Value 200 SYMBOL res -1504 448 R0 SYMATTR InstName R11 SYMATTR Value 2k2 SYMBOL res -304 -736 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 47 SYMBOL res -304 704 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 47 SYMBOL cap -480 624 R0 SYMATTR InstName C4 SYMATTR Value 200µ SYMBOL cap -464 -688 R0 SYMATTR InstName C5 SYMATTR Value 200µ SYMBOL cap 560 -416 R0 SYMATTR InstName C6 SYMATTR Value 4700µ SYMBOL cap 560 304 R0 SYMATTR InstName C7 SYMATTR Value 4700µ SYMBOL res 688 -624 R0 SYMATTR InstName R13 SYMATTR Value 0.2 SYMBOL res 688 512 R0 SYMATTR InstName R14 SYMATTR Value 0.2 SYMBOL res -720 384 R0 SYMATTR InstName R15 SYMATTR Value 1k6 SYMBOL cap -544 512 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C8 SYMATTR Value 1000µ SYMBOL cap -1584 608 R0 SYMATTR InstName C9 SYMATTR Value 100µ SYMBOL diode 16 32 R180 SYMATTR InstName D2 TEXT -1880 488 Left 2 !.tran 20m TEXT -1872 456 Left 2 !;ac oct 100 1 500k