Version 4
SHEET 1 1144 680
WIRE 48 -80 -288 -80
WIRE 192 -80 144 -80
WIRE 272 -80 192 -80
WIRE 448 -80 352 -80
WIRE 560 -80 448 -80
WIRE 672 -80 560 -80
WIRE 928 -80 672 -80
WIRE 1072 -80 992 -80
WIRE 192 16 192 -80
WIRE -288 32 -288 -80
WIRE 448 32 448 -80
WIRE 560 48 560 -80
WIRE 144 96 144 -80
WIRE 560 112 448 112
WIRE 96 160 96 -16
WIRE 992 176 992 -80
WIRE 1072 176 1072 -80
WIRE 672 192 672 -80
WIRE 192 240 192 96
WIRE 608 240 192 240
WIRE 192 288 192 240
WIRE 448 336 448 112
WIRE 448 336 256 336
WIRE -288 448 -288 112
WIRE 80 448 -288 448
WIRE 96 448 96 240
WIRE 96 448 80 448
WIRE 144 448 144 160
WIRE 144 448 96 448
WIRE 192 448 192 384
WIRE 192 448 144 448
WIRE 672 448 672 288
WIRE 672 448 192 448
WIRE 816 448 816 240
WIRE 816 448 672 448
WIRE 992 448 992 256
WIRE 992 448 816 448
WIRE 1072 448 1072 240
WIRE 1072 448 992 448
FLAG 80 448 0
SYMBOL ind 368 -96 R90
WINDOW 0 73 13 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L1
SYMATTR Value 150µ
SYMBOL res 176 0 R0
SYMATTR InstName R1
SYMATTR Value 1.2k
SYMBOL res 432 16 R0
SYMATTR InstName R2
SYMATTR Value 15k
SYMBOL cap 544 48 R0
SYMATTR InstName C1
SYMATTR Value 470p
SYMBOL voltage -288 16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(1.5 0.5 0 1m 1m)
SYMBOL npn 256 288 M0
SYMATTR InstName Q1
SYMATTR Value BC546B
SYMBOL npn 608 192 R0
SYMATTR InstName Q2
SYMATTR Value BC546B
SYMBOL LED 800 176 R0
SYMATTR InstName D1
SYMATTR Value AOT-2015
SYMBOL cap 1056 176 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL res 976 160 R0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL schottky 928 -64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL pnp 144 -16 M270
SYMATTR InstName Q3
SYMATTR Value BC556B
SYMBOL res 80 144 R0
SYMATTR InstName R4
SYMATTR Value 2.6k
SYMBOL cap 128 96 R0
SYMATTR InstName C3
SYMATTR Value 100n
TEXT 8 544 Left 2 !.tran 1m uic
TEXT 280 504 Left 2 ;Brauch von 5mA bis 20mA bei Eingangspannung von 0,7V bis 1,5V