Version 4
SHEET 1 964 836
WIRE 304 48 -704 48
WIRE 432 48 304 48
WIRE 432 144 432 48
WIRE 304 176 304 48
WIRE -416 208 -560 208
WIRE -288 208 -416 208
WIRE 32 208 -208 208
WIRE 176 208 32 208
WIRE 432 256 432 224
WIRE 544 256 432 256
WIRE -560 272 -560 208
WIRE 32 272 32 208
WIRE -416 288 -416 208
WIRE 176 288 176 208
WIRE 432 288 432 256
WIRE 304 336 304 256
WIRE 368 336 304 336
WIRE -560 384 -560 352
WIRE 304 400 304 336
WIRE 32 432 32 336
WIRE 176 480 176 352
WIRE 256 480 176 480
WIRE -704 496 -704 48
WIRE -416 512 -416 368
WIRE 32 544 32 496
WIRE 176 544 176 480
WIRE -704 640 -704 576
WIRE -560 640 -560 464
WIRE -560 640 -704 640
WIRE -416 640 -416 592
WIRE -416 640 -560 640
WIRE 32 640 32 608
WIRE 32 640 -416 640
WIRE 176 640 176 624
WIRE 176 640 32 640
WIRE 304 640 304 496
WIRE 304 640 176 640
WIRE 432 640 432 384
WIRE 432 640 304 640
WIRE 544 640 432 640
WIRE -704 672 -704 640
FLAG -704 672 0
SYMBOL voltage -704 480 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -560 368 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 12 0 0 0 200u 5m 10)
SYMBOL res -192 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 20k
SYMBOL voltage -416 496 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 -12 1m 0 0 200u 5m 10)
SYMBOL res -432 272 R0
SYMATTR InstName R3
SYMATTR Value 5k
SYMBOL res -576 256 R0
SYMATTR InstName R4
SYMATTR Value 5k
SYMBOL zener 16 272 R0
SYMATTR InstName D1
SYMATTR Value 1N750
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL zener 48 496 R180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N750
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL zener 48 608 R180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value 1N750
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 288 160 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL nmos 256 400 R0
SYMATTR InstName M1
SYMATTR Value BSS123
SYMBOL res 160 528 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL diode 160 288 R0
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL res 416 128 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL npn 368 288 R0
SYMATTR InstName Q1
SYMATTR Value BC547B
TEXT -736 696 Left 2 !.tran 20m
TEXT 544 320 VRight 2 ;Ausgang für positive Pick