Version 4
SHEET 1 1128 680
WIRE 592 -160 48 -160
WIRE 592 -64 592 -80
WIRE 48 16 48 -160
WIRE 128 16 48 16
WIRE 176 16 128 16
WIRE 400 16 272 16
WIRE 432 16 400 16
WIRE 528 16 512 16
WIRE 544 16 528 16
WIRE 128 32 128 16
WIRE 400 80 400 16
WIRE 48 112 48 16
WIRE 224 112 224 80
WIRE 224 112 128 112
WIRE 528 160 528 16
WIRE 224 208 224 192
WIRE 224 224 224 208
WIRE 304 272 288 272
WIRE 400 272 400 144
WIRE 400 272 384 272
WIRE 400 288 400 272
WIRE 48 384 48 192
WIRE 224 384 224 320
WIRE 224 384 48 384
WIRE 400 384 400 368
WIRE 400 384 224 384
WIRE 528 384 528 240
WIRE 528 384 400 384
WIRE 592 384 592 32
WIRE 592 384 528 384
WIRE 48 400 48 384
FLAG 48 400 0
FLAG 224 208 sw
SYMBOL voltage 48 96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -77 113 Left 0
SYMATTR InstName V1
SYMATTR Value PWL(0 14 0.2 9)
SYMBOL pnp 272 80 M270
SYMATTR InstName Q1
SYMATTR Value BC556B
SYMBOL res 208 96 R0
SYMATTR InstName R1
SYMATTR Value 2k
SYMBOL zener 416 144 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D1
SYMATTR Value BZX84C10L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 384 272 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL npn 288 224 M0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL res 112 16 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 400 256 R90
WINDOW 0 5 56 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 470
SYMBOL nmos 544 -64 R0
SYMATTR InstName M1
SYMATTR Value FDS6680A
SYMBOL res 528 0 R90
WINDOW 0 5 56 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 120
SYMBOL res 512 144 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL res 576 -176 R0
SYMATTR InstName RL
SYMATTR Value 10
TEXT 64 368 Left 0 !.tran .2
TEXT 88 416 Left 0 !.IC V(sw)=0
TEXT 88 440 Left 0 ;.IC V(sw)=14
TEXT 240 416 Left 0 ;Ein-Taster zwischen "sw" und "GND" anschließen