Version 4 SHEET 1 1088 680 WIRE 464 -48 -48 -48 WIRE 576 -48 464 -48 WIRE 704 -48 576 -48 WIRE 960 -48 704 -48 WIRE 464 -16 464 -48 WIRE 960 -16 960 -48 WIRE 704 48 704 -48 WIRE 576 64 576 -48 WIRE 816 96 768 96 WIRE 960 96 960 64 WIRE 960 96 896 96 WIRE 464 112 464 64 WIRE 512 112 464 112 WIRE 464 160 464 112 WIRE 960 192 960 96 WIRE 576 208 576 160 WIRE 640 208 576 208 WIRE 704 208 704 144 WIRE 704 208 640 208 WIRE 912 208 704 208 WIRE 464 320 464 240 WIRE 960 336 960 288 WIRE 1024 336 960 336 WIRE 240 368 160 368 WIRE 352 368 320 368 WIRE 400 368 352 368 WIRE 640 400 640 208 WIRE 960 400 960 336 WIRE -48 416 -48 -48 WIRE 160 416 160 368 WIRE 352 432 352 368 WIRE -48 528 -48 496 WIRE 160 528 160 496 WIRE 352 528 352 512 WIRE 464 528 464 416 WIRE 640 528 640 480 WIRE 960 528 960 464 FLAG -48 528 0 FLAG 640 528 0 FLAG 960 528 0 FLAG 1024 336 Uc2 FLAG 464 528 0 FLAG 352 528 0 FLAG 160 528 0 FLAG -48 -48 Ub SYMBOL voltage -48 400 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 48V SYMBOL pmos 912 288 M180 SYMATTR InstName M2 SYMATTR Value FDC638P SYMBOL cap 944 400 R0 SYMATTR InstName C2 SYMATTR Value 200µ ic=0 SYMBOL res 944 -32 R0 SYMATTR InstName R4 SYMATTR Value 1.5 SYMBOL res 624 384 R0 SYMATTR InstName R5 SYMATTR Value 47k SYMBOL pnp 768 144 R180 WINDOW 0 15 146 Left 2 WINDOW 3 82 118 Left 2 SYMATTR InstName Q2 SYMATTR Value BC557B SYMBOL res 912 80 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 100 SYMBOL pnp 512 160 M180 WINDOW 0 82 163 Left 2 WINDOW 3 211 133 Left 2 SYMATTR InstName Q3 SYMATTR Value BC557B SYMBOL npn 400 320 R0 SYMATTR InstName Q4 SYMATTR Value BC547B SYMBOL res 448 144 R0 SYMATTR InstName R7 SYMATTR Value 47k SYMBOL res 448 -32 R0 SYMATTR InstName R8 SYMATTR Value 4k7 SYMBOL res 336 416 R0 SYMATTR InstName R9 SYMATTR Value 4k7 SYMBOL res 336 352 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R10 SYMATTR Value 4k7 SYMBOL voltage 160 400 R0 WINDOW 3 0 175 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PWL(0m 5V 10m 5V 10.01m 0V 30m 0V 30.01m 0V) SYMATTR InstName V2 TEXT -40 576 Left 2 !.tran 50m TEXT -32 -24 Left 2 ;Mosfets/Transistoren sollten \nmindestens 60V-Typen sein! TEXT -32 48 Left 2 ;KSQ wird mit Low-pegel eingeschaltet