Version 4
SHEET 1 1536 680
WIRE 800 32 336 32
WIRE 1072 32 960 32
WIRE 800 64 800 32
WIRE 960 64 960 32
WIRE 1072 64 1072 32
WIRE 336 112 336 32
WIRE 288 128 -112 128
WIRE 288 176 256 176
WIRE 800 176 800 144
WIRE 960 176 960 144
WIRE 1072 176 1072 144
WIRE 256 208 256 176
WIRE 1072 224 960 224
WIRE 960 256 960 224
WIRE 1072 256 1072 224
WIRE -112 288 -112 128
WIRE 336 288 336 192
WIRE 960 368 960 336
WIRE 1072 368 1072 336
WIRE -112 400 -112 368
WIRE 336 400 336 368
FLAG 336 400 0
FLAG 800 176 0
FLAG -112 400 0
FLAG 960 176 0
FLAG 1072 176 0
FLAG 256 208 0
FLAG 960 368 0
FLAG 1072 368 0
SYMBOL voltage -112 272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 24 0 2m 2m 1n)
SYMBOL voltage 336 272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 12 0 1n 1n 2u 4u)
SYMBOL res 784 48 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL voltage 960 48 R0
SYMATTR InstName V3
SYMATTR Value 15V
SYMBOL res 1056 48 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL sw 336 208 M180
SYMATTR InstName S1
SYMATTR Value S15V
SYMBOL voltage 1072 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PULSE(0 12 2.75m 1n 1n 2u 4u)
SYMBOL res 944 240 R0
SYMATTR InstName R3
SYMATTR Value 1k
TEXT -112 448 Left 2 !.tran 4m
TEXT -112 480 Left 2 !.model S15V SW (Vt=15V)
TEXT 960 0 Left 2 ;Referenz