Version 4 SHEET 1 1156 724 WIRE 336 -48 160 -48 WIRE 432 -48 336 -48 WIRE -240 -16 -256 -16 WIRE -176 -16 -240 -16 WIRE -80 -16 -96 -16 WIRE 48 -16 -16 -16 WIRE -256 32 -256 -16 WIRE 160 32 160 -48 WIRE 336 32 336 -48 WIRE -256 160 -256 112 WIRE 336 176 336 112 WIRE 432 176 336 176 WIRE 544 176 496 176 WIRE 576 176 544 176 WIRE 672 176 656 176 WIRE 752 176 672 176 WIRE 784 176 752 176 WIRE 784 192 784 176 WIRE 336 208 336 176 WIRE 544 208 544 176 WIRE 672 208 672 176 WIRE 48 256 48 -16 WIRE 160 256 160 112 WIRE 160 256 48 256 WIRE 272 256 160 256 WIRE -384 272 -416 272 WIRE -272 272 -304 272 WIRE -144 272 -272 272 WIRE 16 272 -144 272 WIRE -272 304 -272 272 WIRE 544 304 544 272 WIRE 672 304 672 272 WIRE 784 304 784 272 WIRE 160 384 160 256 WIRE -144 416 -144 272 WIRE 16 448 16 272 WIRE -576 464 -656 464 WIRE -496 464 -576 464 WIRE -416 464 -496 464 WIRE -352 464 -416 464 WIRE -272 464 -272 384 WIRE -272 464 -288 464 WIRE -208 464 -272 464 WIRE -576 496 -576 464 WIRE 336 496 336 304 WIRE 336 496 288 496 WIRE -656 512 -656 464 WIRE -496 512 -496 464 WIRE 336 528 336 496 WIRE -416 544 -416 528 WIRE -144 544 -144 512 WIRE -144 544 -416 544 WIRE -48 544 -48 496 WIRE -48 544 -144 544 WIRE 16 560 16 544 WIRE 288 560 288 496 WIRE 288 560 16 560 WIRE -272 576 -272 464 WIRE -144 576 -144 544 WIRE -656 624 -656 592 WIRE -576 624 -576 576 WIRE -576 624 -656 624 WIRE -496 624 -496 576 WIRE -496 624 -576 624 WIRE -416 624 -416 608 WIRE -416 624 -496 624 WIRE 160 624 160 464 WIRE 336 624 336 608 WIRE 336 624 160 624 WIRE -144 656 -272 656 WIRE 16 656 16 640 WIRE 16 656 -144 656 WIRE 336 656 336 624 WIRE -144 672 -144 656 FLAG -144 672 0 FLAG -496 624 0 FLAG -416 272 0 FLAG 512 -48 0 FLAG 336 656 0 FLAG -256 160 0 FLAG 544 304 0 FLAG 672 304 0 FLAG 784 304 0 FLAG -240 -16 ZF-Ausgang FLAG 752 176 NF-Signal SYMBOL npn -208 416 R0 SYMATTR InstName Q1 SYMATTR Value BC547C SYMBOL Misc\\EuropeanResistor -160 560 R0 SYMATTR InstName R3 SYMATTR Value 1k SYMBOL Misc\\EuropeanResistor -288 288 R0 SYMATTR InstName R6 SYMATTR Value 100k SYMBOL Misc\\EuropeanResistor -288 560 R0 SYMATTR InstName R7 SYMATTR Value 100k SYMBOL cap -352 480 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C4 SYMATTR Value 4.7n SYMBOL cap -432 544 R0 SYMATTR InstName C5 SYMATTR Value 4.7n SYMBOL cap -432 464 R0 SYMATTR InstName C6 SYMATTR Value 4.7n SYMBOL ind2 -592 480 R0 SYMATTR InstName L1 SYMATTR Value 33µ SYMATTR Type ind SYMBOL cap -512 512 R0 SYMATTR InstName C7 SYMATTR Value 825p SYMBOL Misc\\EuropeanResistor -672 496 R0 SYMATTR InstName R8 SYMATTR Value 300k SYMBOL Misc\\battery -288 272 R90 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 V5 SYMATTR Value 6v SYMBOL Misc\\EuropeanResistor 320 16 R0 SYMATTR InstName R1 SYMATTR Value 2.2k SYMBOL Misc\\battery 416 -48 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 V1 SYMATTR Value 9V SYMBOL voltage -256 16 R0 WINDOW 3 -221 102 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value SINE(0 100m 489k) SYMATTR InstName V2 SYMBOL cap -80 0 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C10 SYMATTR Value 220n SYMBOL Misc\\EuropeanResistor 144 16 R0 SYMATTR InstName R16 SYMATTR Value 18k SYMBOL npn 272 208 R0 SYMATTR InstName Q3 SYMATTR Value BC547C SYMBOL cap 528 208 R0 SYMATTR InstName C1 SYMATTR Value 47n SYMBOL cap 656 208 R0 SYMATTR InstName C9 SYMATTR Value 47n SYMBOL ind 560 192 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 100m SYMBOL Misc\\EuropeanResistor 768 176 R0 SYMATTR InstName R4 SYMATTR Value 2.2k SYMBOL Misc\\EuropeanResistor -192 0 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 1.5k SYMBOL Misc\\EuropeanResistor 144 368 R0 SYMATTR InstName R2 SYMATTR Value 1.8K SYMBOL Misc\\EuropeanResistor 320 512 R0 SYMATTR InstName R10 SYMATTR Value 120 SYMBOL npn -48 448 R0 SYMATTR InstName Q2 SYMATTR Value BC547C SYMBOL Misc\\EuropeanResistor 0 544 R0 SYMATTR InstName R12 SYMATTR Value 1k SYMBOL polcap 432 192 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C2 SYMATTR Value 1µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=63 TEXT -464 72 Left 2 !.tran 0 30m 15m TEXT -648 432 Left 2 ;BFO TEXT -384 360 Left 2 ;78L06