Version 4
SHEET 1 880 680
WIRE -480 208 -480 144
WIRE -480 448 -480 288
WIRE -128 240 -128 176
WIRE -128 352 -128 304
WIRE -128 448 -480 448
WIRE -128 448 -128 432
WIRE -128 464 -128 448
WIRE -64 176 -128 176
WIRE -32 240 -32 208
WIRE -32 448 -128 448
WIRE -32 448 -32 304
WIRE 32 320 32 240
WIRE 32 352 32 320
WIRE 32 448 -32 448
WIRE 32 448 32 432
WIRE 48 176 -64 176
WIRE 48 208 -32 208
WIRE 48 240 32 240
WIRE 112 144 -480 144
WIRE 112 160 112 144
WIRE 112 448 32 448
WIRE 112 448 112 256
FLAG -128 464 0
FLAG -32 208 out
FLAG -64 176 in
FLAG 32 320 control
SYMBOL Robertugo\\resistor -48 208 R0
WINDOW 0 46 29 Left 0
WINDOW 3 57 52 Center 0
SYMATTR InstName R1
SYMATTR Value 10K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL Robertugo\\resistor -144 208 R0
SYMATTR InstName R2
SYMATTR Value 100
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL voltage -128 336 R0
WINDOW 0 -13 62 Left 0
WINDOW 3 -22 91 Right 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value SINE({Vcc/2} {(Vcc/2)-1} 1K)
SYMBOL voltage 32 336 R0
WINDOW 0 -16 58 Left 0
WINDOW 3 98 90 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 95 61 Left 0
SYMATTR InstName V3
SYMATTR Value PULSE(0 {Vcc} 0 10u 10u 25m 50m)
SYMATTR SpiceLine Rser=1k
SYMBOL voltage -480 192 R0
WINDOW 3 -29 58 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 15 111 Left 0
SYMATTR Value {Vcc}
SYMATTR SpiceLine Rser=1 Cpar=1u
SYMATTR InstName V1
SYMBOL Robertugo\\SwitchAna 112 208 R0
SYMATTR InstName U1
SYMATTR SpiceModel 4066
TEXT 190 152 Left 0 !.tran 80m
TEXT 192 184 Left 0 !.param Vcc 12v