Version 4
SHEET 1 1644 680
WIRE 416 80 112 80
WIRE 688 80 496 80
WIRE 784 128 688 128
WIRE 848 128 784 128
WIRE 912 128 848 128
WIRE 1040 128 992 128
WIRE 1104 128 1040 128
WIRE 1216 128 1168 128
WIRE 1248 128 1216 128
WIRE 784 160 784 128
WIRE 848 160 848 128
WIRE 1040 160 1040 128
WIRE 1216 160 1216 128
WIRE -16 176 -80 176
WIRE 112 176 112 80
WIRE 112 176 64 176
WIRE 176 176 112 176
WIRE 368 176 256 176
WIRE 464 176 368 176
WIRE 544 176 464 176
WIRE 688 176 688 128
WIRE 688 176 608 176
WIRE -288 192 -336 192
WIRE 368 192 368 176
WIRE 464 208 464 176
WIRE -80 224 -80 176
WIRE -80 224 -144 224
WIRE -288 256 -432 256
WIRE 784 256 784 224
WIRE 848 256 848 240
WIRE 1040 256 1040 224
WIRE 1216 256 1216 240
WIRE -432 288 -432 256
WIRE -336 288 -336 192
WIRE -288 288 -336 288
WIRE 368 288 368 272
WIRE 416 288 368 288
WIRE 464 288 464 272
WIRE 464 288 416 288
WIRE 416 304 416 288
WIRE -336 320 -336 288
WIRE -432 384 -432 368
FLAG 848 256 0
FLAG 1040 256 0
FLAG 416 304 0
FLAG -432 384 0
FLAG 1248 128 out
IOPIN 1248 128 Out
FLAG -336 320 0
FLAG 784 256 0
FLAG 1216 256 0
SYMBOL res 832 144 R0
SYMATTR InstName R1
SYMATTR Value 22k
SYMBOL cap 1024 160 R0
SYMATTR InstName C4
SYMATTR Value 470p
SYMBOL res 896 144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 22k
SYMBOL cap 448 208 R0
SYMATTR InstName C1
SYMATTR Value 21n
SYMBOL ind 384 288 R180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L1
SYMATTR Value 1.2µ
SYMBOL SpecialFunctions\\modulate -288 192 R0
WINDOW 3 -98 -87 Left 2
WINDOW 0 -1 -58 Left 2
SYMATTR Value mark=1000K space=1000K
SYMATTR InstName A1
SYMBOL voltage -432 272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0.5 0.3 1K)
SYMBOL res 272 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 50
SYMBOL voltage 80 176 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 60 56 VTop 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE()
SYMATTR Value2 AC 1
SYMBOL schottky 544 192 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 800 160 M0
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL cap 1168 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL res 1200 144 R0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL res 512 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 2k
TEXT -144 352 Left 2 !.tran 0 80ms 0 20n
TEXT -144 384 Left 2 !;ac oct 100 10 100k
TEXT -144 416 Left 2 !;ac dec 10k 500k 2Meg
TEXT 168 416 Left 2 ;Schwingkreis Resonanz
TEXT 168 384 Left 2 ;NF-Frequenzgang, R5 mit C2 verbinden
TEXT 168 352 Left 2 ;Demodulation, D1 mit C2 verbinden