Version 4
SHEET 1 880 680
WIRE 272 -192 -48 -192
WIRE 272 -176 272 -192
WIRE -48 -160 -48 -192
WIRE 272 -80 272 -96
WIRE 272 -80 144 -80
WIRE 400 -80 272 -80
WIRE 144 -64 144 -80
WIRE 272 -64 272 -80
WIRE 400 -64 400 -80
WIRE -48 -48 -48 -80
WIRE 272 32 272 16
WIRE 400 32 400 0
WIRE 496 112 368 112
WIRE 32 128 -48 128
WIRE 144 128 144 16
WIRE 144 128 96 128
WIRE 304 128 144 128
WIRE 496 144 368 144
WIRE -48 160 -48 128
WIRE -48 272 -48 240
FLAG -48 272 0
FLAG -48 -48 0
FLAG 272 32 0
FLAG 400 32 0
FLAG -48 128 in
FLAG 496 112 out
FLAG 496 144 _out
SYMBOL Digital\\schmitt 304 64 R0
WINDOW 39 -25 123 Left 2
WINDOW 40 -24 153 Left 2
SYMATTR InstName A1
SYMATTR SpiceLine Vlow=0 Vhigh=5 Vt=2.5 Vh=1m
SYMATTR SpiceLine2 Td=10n Trise=5n
SYMBOL voltage -48 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 0.5 1Meg)
SYMBOL cap 32 144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 0.1µ
SYMBOL res 256 -192 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL voltage -48 -176 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL res 256 -80 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 128 -80 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL cap 384 -64 R0
SYMATTR InstName C2
SYMATTR Value 10µ
TEXT -64 336 Left 2 !.tran 0 10u 0 1n
TEXT -64 368 Left 2 !.options plotwinsize=0