Version 4
SHEET 1 1276 680
WIRE -576 -144 -720 -144
WIRE -416 -144 -528 -144
WIRE -720 -112 -720 -144
WIRE -528 -112 -528 -144
WIRE -576 -96 -576 -144
WIRE -720 16 -720 -32
WIRE -576 16 -576 -48
WIRE -528 16 -528 -32
FLAG -720 16 0
FLAG -576 16 0
FLAG -528 16 0
FLAG -416 -144 pwm4
SYMBOL voltage -720 -128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value SINE(1 1 10 0)
SYMBOL pwm4_src -528 -128 R0
SYMATTR InstName U1
SYMATTR SpiceLine Vin_low = 0.1   Vin_high = 1.9
SYMATTR SpiceLine2 Vout_low = 0.1   Vout_high = 1.9
TEXT -192 -80 Left 0 !.tran 0 100m 0 1µ
TEXT -192 -120 Left 0 !.options plotwinsize=0
TEXT -192 -144 Left 0 !.include pwm4.sub
TEXT -192 0 Left 0 ;2008-05-05 Harald
TEXT -728 -200 Left 0 ;Test Circuit for PWM Subcircuit pwm4.sub
TEXT -504 48 Left 0 ;make these lines unvisible if you like\n(right-click on symbol, uncheck visible)