Version 4 SHEET 1 1132 680 WIRE -16 -208 -176 -208 WIRE 144 -208 -16 -208 WIRE 240 -208 144 -208 WIRE 448 -208 240 -208 WIRE 800 -208 448 -208 WIRE 144 -176 144 -208 WIRE -176 -112 -176 -208 WIRE 448 -112 448 -208 WIRE 240 -96 240 -208 WIRE -512 -64 -512 -112 WIRE 144 -48 144 -96 WIRE 176 -48 144 -48 WIRE 560 0 240 0 WIRE 592 0 560 0 WIRE 800 16 800 -208 WIRE -512 48 -512 16 WIRE 240 64 240 0 WIRE 336 64 240 64 WIRE 448 64 448 -32 WIRE 448 64 416 64 WIRE -16 80 -16 -208 WIRE 144 80 144 -48 WIRE -176 128 -176 -32 WIRE -176 128 -512 128 WIRE -80 128 -176 128 WIRE 448 128 448 64 WIRE 448 128 208 128 WIRE 448 176 448 128 WIRE 560 176 560 0 WIRE -512 192 -512 128 WIRE -176 192 -176 128 WIRE -16 192 -16 176 WIRE 64 192 -16 192 WIRE 144 192 144 176 WIRE 144 192 64 192 WIRE 64 208 64 192 WIRE -512 320 -512 272 WIRE -176 320 -176 256 WIRE -176 320 -512 320 WIRE 64 320 64 288 WIRE 64 320 -176 320 WIRE 448 320 448 256 WIRE 448 320 64 320 WIRE 560 320 560 256 WIRE 560 320 448 320 WIRE 800 320 800 96 WIRE 800 320 560 320 WIRE -176 352 -176 320 FLAG -176 352 0 FLAG -512 48 0 FLAG -512 -112 1 FLAG 592 0 Ausgang IOPIN 592 0 Out SYMBOL Misc\\EuropeanResistor -192 -128 R0 SYMATTR InstName R1 SYMATTR Value 39k SYMBOL Misc\\EuropeanResistor 432 160 R0 SYMATTR InstName R2 SYMATTR Value 47k SYMBOL npn -80 80 R0 WINDOW 0 75 45 Left 0 SYMATTR InstName Q1 SYMATTR Value BC547B SYMBOL Misc\\EuropeanResistor -528 176 R0 WINDOW 0 50 42 Left 0 SYMATTR InstName RX SYMATTR Value R=1k*V(1) SYMBOL Misc\\EuropeanResistor 432 -128 R0 SYMATTR InstName R4 SYMATTR Value 47k SYMBOL npn 208 80 M0 SYMATTR InstName Q2 SYMATTR Value BC847B SYMBOL Misc\\EuropeanResistor 48 192 R0 SYMATTR InstName R5 SYMATTR Value 10k SYMBOL Misc\\EuropeanResistor 128 -192 R0 SYMATTR InstName R7 SYMATTR Value 10k SYMBOL pnp 176 0 M180 SYMATTR InstName Q3 SYMATTR Value BC557B SYMBOL Misc\\EuropeanResistor 544 160 R0 SYMATTR InstName R6 SYMATTR Value 10k SYMBOL Misc\\EuropeanResistor 320 80 R270 WINDOW 0 27 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName RH SYMATTR Value 4.7meg SYMBOL Misc\\battery 800 0 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL voltage -512 -80 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PWL(0 1m 60 60 120 1m) SYMBOL cap -192 192 R0 SYMATTR InstName C1 SYMATTR Value .1µ TEXT -328 -336 Left 0 !.tran 0 120 0 .01 TEXT -328 -304 Left 0 !.options plotwinsize=0 TEXT -320 -384 Left 0 ;RX 40kOhm Komparator mit Hysterese LINE Normal -448 160 -560 288 LINE Normal -460 193 -448 160 LINE Normal -480 176 -448 160