Version 4
SHEET 1 1020 680
WIRE 112 96 64 96
WIRE 208 96 112 96
WIRE 336 96 272 96
WIRE 384 96 336 96
WIRE 464 96 384 96
WIRE 592 96 528 96
WIRE 64 192 64 96
WIRE 384 192 384 96
WIRE 592 192 592 96
WIRE 64 336 64 272
WIRE 384 336 384 272
WIRE 384 336 64 336
WIRE 592 336 592 272
WIRE 592 336 384 336
WIRE 64 384 64 336
FLAG 64 384 0
FLAG 112 96 mp1
FLAG 336 96 mp2
FLAG 592 96 mp3
SYMBOL voltage 64 176 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(-1 1 1K)
SYMBOL diode 272 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value idealdiode
SYMBOL Misc\\EuropeanResistor 368 176 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor 576 176 R0
SYMATTR InstName R2
SYMATTR Value {x}
SYMBOL cap 528 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10n
TEXT 32 408 Left 2 !.tran 0 100m 90m
TEXT 456 408 Left 2 !.step param x list 100K 1Meg 10Meg
TEXT 464 440 Left 2 ;R1 Demodulator Belastungswiderstand
TEXT 464 464 Left 2 ;R2 Wechselstromlast für den Demodulator
TEXT 456 384 Left 2 !.model idealdiode D(Ron=1e-3 Roff=1e12 Vfwd=0)