Version 4
SHEET 1 920 1168
WIRE -512 -48 -576 -48
WIRE -448 -48 -512 -48
WIRE -272 -48 -448 -48
WIRE -128 -48 -272 -48
WIRE -64 -48 -128 -48
WIRE 80 -48 -64 -48
WIRE -128 -16 -128 -48
WIRE -576 16 -576 -48
WIRE 80 16 80 -48
WIRE -272 80 -272 -48
WIRE -128 112 -128 64
WIRE -128 112 -240 112
WIRE -64 128 -64 -48
WIRE -512 208 -512 -48
WIRE -272 208 -272 144
WIRE -272 208 -384 208
WIRE -240 208 -272 208
WIRE -128 208 -128 112
WIRE -128 208 -176 208
WIRE 80 240 80 80
WIRE -128 256 -128 208
WIRE -384 272 -384 208
WIRE -272 320 -272 208
WIRE -512 384 -512 288
WIRE -384 384 -384 352
WIRE -384 384 -512 384
WIRE -320 384 -384 384
WIRE -128 384 -128 336
WIRE -128 384 -224 384
WIRE -64 384 -64 192
WIRE -64 384 -128 384
WIRE 0 384 -64 384
WIRE 80 384 80 320
WIRE 80 384 0 384
WIRE -448 512 -448 -48
WIRE -272 512 -448 512
WIRE -128 512 -272 512
WIRE -32 512 -128 512
WIRE 96 512 -32 512
WIRE -128 576 -128 512
WIRE -272 672 -272 512
WIRE -32 688 -32 512
WIRE 96 688 96 512
WIRE -128 704 -128 656
WIRE -128 704 -240 704
WIRE -512 800 -512 384
WIRE -448 800 -512 800
WIRE -272 800 -272 736
WIRE -272 800 -368 800
WIRE -240 800 -272 800
WIRE -128 800 -128 704
WIRE -128 800 -176 800
WIRE -128 832 -128 800
WIRE -272 880 -272 800
WIRE -512 944 -512 800
WIRE -448 944 -512 944
WIRE -320 944 -368 944
WIRE -128 944 -128 912
WIRE -128 944 -224 944
WIRE -32 944 -32 752
WIRE -32 944 -128 944
WIRE 32 944 -32 944
WIRE 96 944 96 768
WIRE 96 944 32 944
FLAG -576 16 0
FLAG 32 944 -3V
FLAG 0 384 -8.4V
SYMBOL voltage -512 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL pnp -320 320 M90
WINDOW 0 100 48 VLeft 2
WINDOW 3 132 116 VLeft 2
SYMATTR InstName Q1
SYMATTR Value BCW68F
SYMBOL Misc\\EuropeanResistor -368 368 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL Misc\\EuropeanPolcap -80 128 R0
SYMATTR InstName C2
SYMATTR Value 47µ
SYMBOL diode 64 16 R0
SYMATTR InstName D1
SYMATTR Value gruen
SYMBOL Misc\\EuropeanResistor 96 336 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R20
SYMATTR Value 10K
SYMBOL pnp -320 880 M90
WINDOW 0 100 48 VLeft 2
WINDOW 3 132 116 VLeft 2
SYMATTR InstName Q2
SYMATTR Value BCW68F
SYMBOL Misc\\EuropeanResistor -464 816 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 2350
SYMBOL Misc\\EuropeanPolcap -48 688 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL Misc\\EuropeanResistor -112 672 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R4
SYMATTR Value 4.7K
SYMBOL Misc\\EuropeanResistor -144 816 R0
SYMATTR InstName R5
SYMATTR Value 6.8K
SYMBOL cap -240 816 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL Misc\\EuropeanResistor -464 960 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 22
SYMBOL Misc\\EuropeanResistor 112 784 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R13
SYMATTR Value 1K
SYMBOL Misc\\EuropeanResistor -112 80 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R14
SYMATTR Value 4.7K
SYMBOL Misc\\EuropeanResistor -112 352 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R18
SYMATTR Value 27K
SYMBOL cap -240 224 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL LM4041 -272 112 R0
SYMATTR InstName U2
SYMBOL LM4041 -272 704 R0
SYMATTR InstName U3
TEXT -320 1152 Left 2 !.tran 1
TEXT -320 1120 Left 2 !*step param x 27K 10K 1K
TEXT -200 416 Left 2 !.model gruen D(Ron=1m Roff=1G Vfwd=1.8)
TEXT -488 -104 Left 2 ;3=N 5=Lüfter 7=L
TEXT -296 480 Left 2 ;B598
TEXT -16 -144 Left 2 ;Badlüfter Steuerung
TEXT -320 1088 Left 2 !.inc LM4041.cir
TEXT -296 1040 Left 2 ;BC327
TEXT -392 968 Left 2 ;FR