Version 4
SHEET 1 1156 724
WIRE -336 -144 -368 -144
WIRE -224 -144 -256 -144
WIRE -96 -144 -224 -144
WIRE 48 -144 -96 -144
WIRE 64 -144 48 -144
WIRE 272 -144 256 -144
WIRE 368 -144 272 -144
WIRE -224 -112 -224 -144
WIRE -96 -112 -96 -144
WIRE 272 -96 272 -144
WIRE 48 -64 48 -144
WIRE -96 0 -96 -32
WIRE 272 0 272 -16
WIRE 272 0 160 0
WIRE 160 32 160 0
WIRE -528 48 -608 48
WIRE -448 48 -528 48
WIRE -368 48 -448 48
WIRE -304 48 -368 48
WIRE -224 48 -224 -32
WIRE -224 48 -240 48
WIRE -160 48 -224 48
WIRE -528 80 -528 48
WIRE 48 80 48 16
WIRE 272 80 272 0
WIRE 336 80 272 80
WIRE 448 80 400 80
WIRE 480 80 448 80
WIRE 576 80 560 80
WIRE 656 80 576 80
WIRE 688 80 656 80
WIRE -608 96 -608 48
WIRE -448 96 -448 48
WIRE 688 96 688 80
WIRE 272 112 272 80
WIRE 448 112 448 80
WIRE 576 112 576 80
WIRE -368 128 -368 112
WIRE -96 128 -96 96
WIRE -96 128 -368 128
WIRE -96 144 -96 128
WIRE 160 160 160 112
WIRE 208 160 160 160
WIRE -608 208 -608 176
WIRE -528 208 -528 160
WIRE -528 208 -608 208
WIRE -448 208 -448 160
WIRE -448 208 -528 208
WIRE -368 208 -368 192
WIRE -368 208 -448 208
WIRE 448 208 448 176
WIRE 576 208 576 176
WIRE 688 208 688 176
WIRE 48 224 48 176
WIRE 272 224 272 208
WIRE 272 224 48 224
WIRE -96 240 -96 224
WIRE -16 240 -16 128
WIRE -16 240 -96 240
WIRE 48 240 48 224
WIRE -224 256 -224 48
WIRE -96 256 -96 240
WIRE -96 336 -224 336
WIRE 48 336 48 320
WIRE 48 336 -96 336
WIRE -96 352 -96 336
WIRE -160 432 -176 432
WIRE -16 432 -160 432
WIRE 80 432 64 432
WIRE 160 432 160 160
WIRE 160 432 144 432
WIRE -176 480 -176 432
WIRE -176 592 -176 560
FLAG -96 352 0
FLAG -448 208 0
FLAG -368 -144 0
FLAG -176 592 0
FLAG -160 432 ZF-Ausgang
FLAG 448 -144 0
FLAG 448 208 0
FLAG 576 208 0
FLAG 688 208 0
FLAG 656 80 NF-Signal
FLAG 128 -144 0
FLAG 192 -144 0
SYMBOL npn -160 0 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL Misc\\EuropeanResistor -112 240 R0
SYMATTR InstName R3
SYMATTR Value 2.2k
SYMBOL Misc\\EuropeanResistor -240 -128 R0
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL Misc\\EuropeanResistor -240 240 R0
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL cap -304 64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL cap -384 128 R0
SYMATTR InstName C5
SYMATTR Value 680p
SYMBOL cap -384 48 R0
SYMATTR InstName C6
SYMATTR Value 680p
SYMBOL ind2 -544 64 R0
SYMATTR InstName L1
SYMATTR Value 270µ
SYMATTR Type ind
SYMBOL cap -464 96 R0
SYMATTR InstName C7
SYMATTR Value 49.2p
SYMBOL Misc\\EuropeanResistor -624 80 R0
SYMATTR InstName R8
SYMATTR Value 300k
SYMBOL Misc\\EuropeanResistor -112 -128 R0
SYMATTR InstName R9
SYMATTR Value 330
SYMBOL Misc\\battery -240 -144 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 voltage -176 464 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 80 448 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C10
SYMATTR Value 100n
SYMBOL npn -16 80 R0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL Misc\\EuropeanResistor -112 128 R0
SYMATTR InstName R1
SYMATTR Value 2.2k
SYMBOL Misc\\EuropeanResistor 32 -80 R0
SYMATTR InstName R2
SYMATTR Value 3.3k
SYMBOL Misc\\EuropeanResistor 256 -112 R0
SYMATTR InstName R4
SYMATTR Value 2.2k
SYMBOL Misc\\battery 352 -144 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 cap 336 96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 470n
SYMBOL Misc\\EuropeanResistor 144 16 R0
SYMATTR InstName R11
SYMATTR Value 75k
SYMBOL npn 208 112 R0
SYMATTR InstName Q3
SYMATTR Value BC547C
SYMBOL cap 432 112 R0
SYMATTR InstName C2
SYMATTR Value 22n
SYMBOL cap 560 112 R0
SYMATTR InstName C3
SYMATTR Value 22n
SYMBOL ind 464 96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 100m
SYMBOL Misc\\EuropeanResistor 672 80 R0
SYMATTR InstName R13
SYMATTR Value 2.2k
SYMBOL Misc\\EuropeanResistor -32 448 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R14
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor 32 224 R0
SYMATTR InstName R10
SYMATTR Value 330
SYMBOL cap 64 -128 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C8
SYMATTR Value 100n
SYMBOL cap 192 -128 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C9
SYMATTR Value 100n
TEXT -384 520 Left 2 !.tran 0 30m 10m
TEXT -600 16 Left 2 ;BFO
TEXT -336 -64 Left 2 ;78L06