Version 4
SHEET 1 880 680
WIRE 416 64 336 64
WIRE 336 96 336 64
WIRE 0 112 -352 112
WIRE 288 112 144 112
WIRE 0 176 -96 176
WIRE -352 208 -352 112
WIRE -96 208 -96 176
WIRE 288 208 288 160
WIRE 336 208 336 176
WIRE -352 320 -352 288
WIRE -96 320 -96 288
FLAG -96 320 0
FLAG -352 320 0
FLAG 336 208 0
FLAG 288 208 0
FLAG 416 64 OUT
IOPIN 416 64 Out
FLAG -352 112 FM
FLAG -96 176 AM
SYMBOL SpecialFunctions\\modulate2 0 112 R0
WINDOW 39 -1 120 Left 2
SYMATTR InstName A1
SYMATTR SpiceLine SPACE=0 MARK=1k
SYMBOL voltage -96 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 1 10m 0.5)
SYMBOL voltage -352 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 1 10m 5)
SYMBOL e 336 80 R0
SYMATTR InstName E1
SYMATTR Value 10
TEXT -368 376 Left 2 !.tran 10m
TEXT -216 16 Left 2 ;Frequenz = SPACE + V(FM)*(MARK-SPACE)
TEXT -216 376 Left 2 !.options plotwinsize=0
TEXT 232 272 Left 2 ;Buffer with E-source