Version 4
SHEET 1 880 680
WIRE 240 48 208 48
WIRE 352 48 320 48
WIRE 208 96 208 48
WIRE 352 96 352 48
WIRE 160 112 -48 112
WIRE -48 160 -48 112
WIRE 160 160 128 160
WIRE 208 208 208 176
WIRE 352 208 352 176
WIRE -48 272 -48 240
FLAG 352 208 0
FLAG 208 208 0
FLAG 128 160 0
FLAG -48 272 0
SYMBOL sw 208 192 M180
WINDOW 0 12 104 Left 0
WINDOW 3 17 11 Left 0
SYMATTR InstName S1
SYMATTR Value MYSW
SYMBOL voltage -48 144 R0
WINDOW 3 13 107 Left 0
SYMATTR Value PULSE(0 1 0 .5m .5m 0 1m)
SYMATTR InstName V1
SYMBOL voltage 352 80 R0
SYMATTR InstName V2
SYMATTR Value 3.3
SYMBOL res 336 32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 1K
TEXT -64 352 Left 0 !.model MYSW SW(Ron=1 Roff=1Meg Vt=.5 Vh=-.4)
TEXT -64 320 Left 0 !.tran 3m
TEXT -8 -56 Left 2 ;Spannungsgesteuerter Schalter