Version 4
SHEET 1 2256 680
WIRE 496 -128 464 -128
WIRE 608 -128 576 -128
WIRE 752 -128 608 -128
WIRE 912 -128 752 -128
WIRE 1008 -128 912 -128
WIRE 1216 -128 1008 -128
WIRE 1408 -128 1216 -128
WIRE 1216 -112 1216 -128
WIRE 752 -96 752 -128
WIRE 912 -96 912 -128
WIRE 1008 -96 1008 -128
WIRE 608 -80 608 -128
WIRE 1424 -48 1328 -48
WIRE 1520 -48 1504 -48
WIRE 1008 0 1008 -16
WIRE 1088 0 1008 0
WIRE 1216 0 1216 -32
WIRE 1216 0 1152 0
WIRE 752 16 752 -16
WIRE 800 16 752 16
WIRE 912 16 912 -16
WIRE 912 16 864 16
WIRE 1008 16 1008 0
WIRE 1408 16 1408 -128
WIRE 1328 32 1328 -48
WIRE 1376 32 1328 32
WIRE 656 48 368 48
WIRE 752 48 752 16
WIRE 1520 48 1520 -48
WIRE 1520 48 1440 48
WIRE 1552 48 1520 48
WIRE 912 64 912 16
WIRE 944 64 912 64
WIRE 1216 64 1216 0
WIRE 1376 64 1216 64
WIRE -144 80 -400 80
WIRE -112 80 -144 80
WIRE 1328 80 1328 32
WIRE -144 112 -256 112
WIRE -112 112 -144 112
WIRE 48 112 -80 112
WIRE 240 112 176 112
WIRE 272 112 240 112
WIRE 320 112 272 112
WIRE 608 128 608 0
WIRE 704 128 704 112
WIRE 704 128 608 128
WIRE 912 128 912 64
WIRE 1008 128 1008 112
WIRE 1088 128 1008 128
WIRE 1216 128 1216 64
WIRE 1216 128 1152 128
WIRE -400 144 -400 80
WIRE -256 144 -256 112
WIRE -80 144 -80 112
WIRE 48 144 48 112
WIRE 176 144 176 112
WIRE 448 144 368 144
WIRE 608 144 608 128
WIRE 1216 144 1216 128
WIRE 272 160 272 112
WIRE 368 160 368 144
WIRE 448 160 448 144
WIRE 704 160 704 128
WIRE 1008 160 1008 128
WIRE 1328 176 1328 160
WIRE -400 256 -400 224
WIRE -256 256 -256 224
WIRE -256 256 -400 256
WIRE -80 256 -80 224
WIRE -80 256 -256 256
WIRE 48 256 48 224
WIRE 48 256 -80 256
WIRE 176 256 176 224
WIRE 176 256 48 256
WIRE 272 256 272 224
WIRE 272 256 176 256
WIRE 368 256 368 240
WIRE 368 256 272 256
WIRE 448 256 448 224
WIRE 448 256 368 256
WIRE 608 256 608 224
WIRE 608 256 448 256
WIRE 704 256 704 224
WIRE 704 256 608 256
WIRE 912 256 912 208
WIRE 912 256 704 256
WIRE 1008 256 1008 240
WIRE 1008 256 912 256
WIRE 1216 256 1216 224
WIRE 1216 256 1008 256
WIRE 1328 256 1328 240
WIRE 1328 256 1216 256
WIRE 1408 256 1408 80
WIRE 1408 256 1328 256
WIRE -400 272 -400 256
FLAG -400 272 0
FLAG 464 -128 0
FLAG -144 80 sek
FLAG -144 112 c77k
FLAG 1552 48 mix
IOPIN 1552 48 Out
FLAG 240 112 ant
SYMBOL ind2 32 128 R0
WINDOW 0 -28 34 Left 2
WINDOW 3 -34 63 Left 2
SYMATTR InstName L1
SYMATTR Value 1µ
SYMATTR Type ind
SYMBOL ind2 192 240 R180
WINDOW 0 -32 32 Left 2
WINDOW 3 -63 78 Left 2
SYMATTR InstName L2
SYMATTR Value 3.8m
SYMATTR Type ind
SYMATTR SpiceLine Rser=2 Rpar=150k Cpar=107p
SYMBOL cap 256 160 R0
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL njf 320 48 R0
SYMATTR InstName J1
SYMATTR Value BF256B
SYMBOL voltage 592 -128 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 6V
SYMBOL res 352 144 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL cap 432 160 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL voltage -400 128 R0
WINDOW 0 -67 66 Left 2
WINDOW 3 -169 108 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0.25 1 50m 2m 2m 98m 500m)
SYMBOL voltage -256 128 R0
WINDOW 0 -67 32 Left 2
WINDOW 3 -74 5 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 1 77.5k)
SYMATTR Value2 AC 1
SYMBOL bi -80 144 R0
WINDOW 0 19 90 Left 2
WINDOW 3 -58 134 Left 2
SYMATTR InstName Bsender
SYMATTR Value I = V(c77k) * v(sek) * 0.475e-3
SYMBOL npn 752 112 M270
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL res 736 -112 R0
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL cap 864 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL res 624 -96 M0
SYMATTR InstName R1
SYMATTR Value 33k
SYMBOL res 624 128 M0
SYMATTR InstName R3
SYMATTR Value 47k
SYMBOL cap 688 160 R0
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL npn 944 16 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL res 992 -112 R0
SYMATTR InstName R4
SYMATTR Value 1.5k
SYMBOL res 992 144 R0
SYMATTR InstName R5
SYMATTR Value 1.5k
SYMBOL res 896 -112 R0
SYMATTR InstName R7
SYMATTR Value 33k
SYMBOL res 896 112 R0
SYMATTR InstName R8
SYMATTR Value 22k
SYMBOL Misc\\xtal 1152 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 20f
SYMATTR SpiceLine Rser=5k Lser=210.865H Cpar=2p
SYMBOL res 1200 128 R0
SYMATTR InstName R9
SYMATTR Value 22k
SYMBOL cap 1152 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 2p
SYMBOL res 1200 -128 R0
SYMATTR InstName R10
SYMATTR Value 22k
SYMBOL Opamps\\LT1007 1408 -16 R0
SYMATTR InstName U1
SYMBOL res 1520 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 1k
SYMBOL cap 1312 176 R0
SYMATTR InstName C7
SYMATTR Value 100n
SYMBOL res 1312 64 R0
SYMATTR InstName R12
SYMATTR Value 100
TEXT -8 88 Left 2 !k1 L1 L2 {pegel}
TEXT -112 -112 Left 2 !;tran 0 1.5s 0 60n
TEXT -112 -80 Left 2 !.ac dec 1Meg 62k 95k
TEXT -8 48 Left 2 !.param pegel=0.5mV