Version 4
SHEET 1 880 680
WIRE -288 -144 -1072 -144
WIRE 80 -144 -288 -144
WIRE 256 -144 80 -144
WIRE 448 -144 256 -144
WIRE 576 -144 448 -144
WIRE -288 -112 -288 -144
WIRE 256 -112 256 -144
WIRE 448 -112 448 -144
WIRE 576 -96 576 -144
WIRE -1072 -80 -1072 -144
WIRE 576 16 576 -16
WIRE 800 16 576 16
WIRE -448 32 -576 32
WIRE -96 32 -384 32
WIRE 256 32 256 -32
WIRE 256 32 -96 32
WIRE 400 32 256 32
WIRE 576 48 576 16
WIRE 800 64 800 16
WIRE 128 96 16 96
WIRE 448 96 448 -32
WIRE 448 96 352 96
WIRE -784 128 -928 128
WIRE -576 128 -576 32
WIRE -576 128 -704 128
WIRE 128 160 -32 160
WIRE 576 160 576 112
WIRE 576 160 352 160
WIRE 800 160 800 128
WIRE 800 160 576 160
WIRE -288 224 -288 -32
WIRE -288 224 -752 224
WIRE -208 224 -288 224
WIRE -32 224 -32 160
WIRE -32 224 -128 224
WIRE 128 224 -32 224
WIRE 400 224 400 32
WIRE 400 224 352 224
WIRE -1072 256 -1072 -16
WIRE -752 272 -752 224
WIRE 80 288 80 -144
WIRE 128 288 80 288
WIRE 400 288 352 288
WIRE -928 320 -928 128
WIRE -816 320 -928 320
WIRE -576 352 -576 128
WIRE -752 400 -752 368
WIRE -640 400 -752 400
WIRE -288 400 -288 224
WIRE -96 400 -96 32
WIRE 16 400 16 96
WIRE -928 432 -928 320
WIRE -752 432 -752 400
WIRE -1072 544 -1072 336
WIRE -928 544 -928 512
WIRE -928 544 -1072 544
WIRE -752 544 -752 512
WIRE -752 544 -928 544
WIRE -576 544 -576 448
WIRE -576 544 -752 544
WIRE -288 544 -288 464
WIRE -288 544 -576 544
WIRE -96 544 -96 464
WIRE -96 544 -288 544
WIRE 16 544 16 464
WIRE 16 544 -96 544
WIRE 400 544 400 288
WIRE 400 544 16 544
WIRE -1072 576 -1072 544
FLAG -1072 576 0
SYMBOL Misc\\NE555 240 192 R180
SYMATTR InstName U1
SYMBOL voltage -1072 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 84 340 Left 2
SYMATTR Value PWL(0 0V 0.1s 0V 0.101s 9.7V 1.1s 9.7V 1.1001s 0V 1.1011s 0V 1.1012s 9.7V 1.2000s 9.7V 1.2001s 0V 1.3s 0V 1.3001s 9.7V)
SYMATTR InstName V1
SYMBOL res -304 -128 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 560 -112 R0
SYMATTR InstName R3
SYMATTR Value 470
SYMBOL cap -304 400 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL res -112 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL LED 560 48 R0
SYMATTR InstName D1
SYMATTR Value LS_T675-typ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 0 400 R0
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL diode -1056 -16 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMBOL res 240 -128 R0
SYMATTR InstName R2
SYMATTR Value 2k
SYMBOL cap -112 400 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL pnp -816 368 M180
SYMATTR InstName Q1
SYMATTR Value BC557C
SYMBOL diode -384 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D4
SYMBOL res -944 416 R0
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res -768 416 R0
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL npn -640 352 R0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL res -688 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL res 432 -128 R0
SYMATTR InstName R9
SYMATTR Value 1k
SYMBOL cap 784 64 R0
SYMATTR InstName C4
SYMATTR Value 200n
TEXT -1272 576 Left 2 !.tran 0 3 0
TEXT -856 -80 Left 2 ;Selbsthaltender Schmitt-Trigger:\nTriggert, wenn die Versorgungs-\nspannung einbricht und löst erst\ndann, wenn C1 hinreichend ent-\nladen ist.
RECTANGLE Normal -480 528 -992 -112 2