Version 4
SHEET 1 1108 680
WIRE 192 0 48 0
WIRE 352 0 272 0
WIRE 560 0 352 0
WIRE 736 0 560 0
WIRE 960 0 736 0
WIRE 352 48 352 0
WIRE 560 48 560 0
WIRE 736 48 736 0
WIRE 48 64 48 0
WIRE 48 160 48 144
WIRE 352 192 352 128
WIRE 560 192 560 128
WIRE 736 192 736 128
WIRE 304 256 288 256
WIRE 512 256 496 256
WIRE 688 256 672 256
WIRE 352 320 352 272
WIRE 560 320 560 272
WIRE 736 320 736 272
WIRE 288 352 288 336
WIRE 496 352 496 336
WIRE 672 352 672 336
FLAG 560 320 0
FLAG 48 160 0
FLAG 496 352 0
FLAG 512 208 0
FLAG 352 320 0
FLAG 288 352 0
FLAG 304 208 0
FLAG 736 320 0
FLAG 672 352 0
FLAG 688 208 0
SYMBOL voltage 48 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 10 1k)
SYMBOL voltage 496 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -1 143 Left 2
WINDOW 0 -13 59 Left 2
SYMATTR Value PULSE(0 1 10m 1n 1n 10m 40m)
SYMATTR InstName V2
SYMBOL sw 560 176 R0
WINDOW 3 35 61 Left 2
WINDOW 0 -26 51 Left 2
SYMATTR Value mySW2
SYMATTR InstName S2
SYMBOL res 288 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Rv
SYMATTR Value 1k
SYMBOL res 544 32 R0
SYMATTR InstName R2
SYMATTR Value 2k
SYMBOL voltage 288 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -15 57 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 1 0 1n 1n 10m 20m)
SYMBOL sw 352 176 R0
WINDOW 3 41 59 Left 2
WINDOW 0 -26 52 Left 2
SYMATTR Value mySW1
SYMATTR InstName S1
SYMBOL res 336 32 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL voltage 672 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 8 97 Left 2
WINDOW 0 -15 58 Left 2
SYMATTR Value PULSE(0 1 30m 1n 1n 10m 40m)
SYMATTR InstName V4
SYMBOL sw 736 176 R0
WINDOW 3 36 69 Left 2
WINDOW 0 -24 52 Left 2
SYMATTR Value mySW3
SYMATTR InstName S3
SYMBOL res 720 32 R0
SYMATTR InstName R3
SYMATTR Value 500
TEXT -88 416 Left 2 !.model MYSW1 SW(Ron=0.5 Roff=10G Vt=0.1V Vh=-0.5)
TEXT -72 344 Left 2 !.tran 50m
TEXT -88 448 Left 2 !.model MYSW2 SW(Ron=0.5 Roff=10G Vt=0.1V Vh=-0.5)
TEXT -88 480 Left 2 !.model MYSW3 SW(Ron=0.5 Roff=10G Vt=0.1V Vh=-0.5)