Version 4
SHEET 1 976 680
WIRE 384 -128 -16 -128
WIRE 384 -96 384 -128
WIRE -16 0 -16 -128
WIRE 64 0 -16 0
WIRE 160 0 144 0
WIRE 384 16 384 -32
WIRE 384 16 320 16
WIRE -16 128 -16 0
WIRE 80 128 -16 128
WIRE 160 128 160 0
WIRE 160 128 144 128
WIRE 208 128 160 128
WIRE 320 128 320 16
WIRE 320 128 272 128
WIRE 384 128 320 128
WIRE 528 128 448 128
WIRE 672 128 528 128
WIRE 528 144 528 128
WIRE 80 176 80 144
WIRE 208 176 208 144
WIRE 208 176 80 176
WIRE 384 176 384 144
WIRE 384 176 208 176
WIRE 80 224 80 176
WIRE 528 256 528 224
FLAG 80 224 0
FLAG 528 256 0
FLAG 672 128 Uout
SYMBOL Digital\\schmtinv 80 64 R0
WINDOW 3 -84 282 Left 2
SYMATTR InstName A1
SYMATTR Value Vhigh=5 Vt=2.5 Vh=1
SYMBOL Digital\\schmtinv 208 64 R0
WINDOW 3 -25 165 Left 2
SYMATTR InstName A2
SYMATTR Value Vhigh=5 Vt=2.5 Vh=1
SYMBOL Digital\\schmtinv 384 64 R0
WINDOW 3 -30 232 Left 2
SYMATTR InstName A3
SYMATTR Value Vhigh=5 Vt=2.5 Vh=1
SYMBOL cap 368 -96 R0
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL res 160 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res 512 128 R0
SYMATTR InstName R2
SYMATTR Value 100k
TEXT -24 280 Left 2 !.tran 1 uic