Version 4
SHEET 1 880 680
WIRE 224 -48 32 -48
WIRE 336 -48 224 -48
WIRE 480 -48 336 -48
WIRE 224 0 224 -48
WIRE 32 96 32 -48
WIRE 336 96 336 -48
WIRE 224 128 224 80
WIRE 272 128 224 128
WIRE 304 128 272 128
WIRE 480 128 480 -48
WIRE 32 176 32 96
WIRE 336 192 336 160
WIRE 384 192 336 192
WIRE 432 192 384 192
WIRE 224 224 224 128
WIRE 336 224 336 192
WIRE 32 352 32 256
WIRE 224 352 224 304
WIRE 224 352 32 352
WIRE 336 352 336 304
WIRE 336 352 224 352
WIRE 480 352 480 192
WIRE 480 352 336 352
WIRE 32 416 32 352
FLAG 32 416 0
FLAG 32 96 mp1
FLAG 272 128 mp2
FLAG 384 192 mp3
SYMBOL voltage 32 160 R0
WINDOW 3 53 222 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 13 99 Left 2
SYMATTR Value PULSE(0 5 0 0.9 0.1 0.1 1)
SYMATTR SpiceLine Rser=22
SYMATTR InstName V1
SYMBOL LM4041 336 128 M0
SYMATTR InstName U1
SYMBOL Misc\\EuropeanResistor 240 96 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R1
SYMATTR Value 4.7K
SYMBOL Misc\\EuropeanResistor 240 320 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R2
SYMATTR Value 8.2K
SYMBOL Misc\\SCR 464 128 R0
SYMATTR InstName U2
SYMATTR Value EC103D1
SYMBOL Misc\\EuropeanResistor 352 320 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R3
SYMATTR Value 100
TEXT 80 416 Left 2 !.tran 0.9
TEXT 80 440 Left 2 !.inc LM4041.cir
TEXT 80 464 Left 2 !.inc EC103D1.cir
TEXT 32 -112 Left 2 ;LM4041 Thyristor-Präzisions-Crowbar
TEXT 80 488 Left 2 ;radio-darius@web.de
TEXT 32 -72 Left 2 ;Uref (1.25V) liegt zwischen Katode und FB-Pin.