Version 4
SHEET 1 956 680
WIRE -256 240 -256 208
WIRE 480 272 480 240
WIRE 448 288 -112 288
WIRE 768 304 512 304
WIRE 448 320 128 320
WIRE 128 384 128 320
WIRE -256 496 -256 320
WIRE -112 496 -112 368
WIRE 128 496 128 464
WIRE 480 496 480 336
FLAG 128 496 0
FLAG 480 496 0
FLAG -112 496 0
FLAG 768 304 PWM_Out
IOPIN 768 304 Out
FLAG -256 496 0
FLAG -256 208 Vcc
IOPIN -256 208 Out
FLAG 480 240 Vcc
IOPIN 480 240 In
SYMBOL voltage -112 272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 24 50)
SYMBOL voltage 128 368 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(-24 24 0 1m 1m 0 2m)
SYMBOL voltage -256 224 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 24
SYMBOL Comparators\\LT1017 480 304 R0
SYMATTR InstName U1
TEXT -144 392 Left 2 !.tran 0 60m 0 10µ