Version 4
SHEET 1 956 680
WIRE 160 -96 0 -96
WIRE 224 -96 160 -96
WIRE 544 -96 224 -96
WIRE 0 -48 0 -96
WIRE 160 32 160 -96
WIRE 224 32 224 -96
WIRE 0 64 0 32
WIRE 112 64 0 64
WIRE 336 64 272 64
WIRE 464 64 416 64
WIRE 544 80 544 -96
WIRE 0 128 0 64
WIRE 112 128 80 128
WIRE 80 192 80 128
WIRE 112 192 80 192
WIRE 0 240 0 208
WIRE 80 240 80 192
WIRE 80 240 0 240
WIRE 0 256 0 240
WIRE 224 256 224 224
WIRE 0 336 0 320
WIRE 160 336 160 224
WIRE 160 336 0 336
WIRE 224 336 224 320
WIRE 224 336 160 336
WIRE 464 336 464 64
WIRE 464 336 224 336
WIRE 544 336 544 160
WIRE 544 336 464 336
FLAG 464 336 0
SYMBOL voltage 544 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5V
SYMBOL res 432 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res -16 -64 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res -16 112 R0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL cap -16 256 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL My_Symbols\\izm555 208 160 R0
SYMATTR InstName X1
SYMBOL cap 208 256 R0
SYMATTR InstName C2
SYMATTR Value 100n
TEXT 680 168 Left 2 !.include icm7555.sub
TEXT 680 144 Left 2 !.tran 10s