Version 4 SHEET 1 1028 872 WIRE -224 -96 -336 -96 WIRE 192 -96 -224 -96 WIRE -336 -64 -336 -96 WIRE 192 -64 192 -96 WIRE -224 -48 -224 -96 WIRE -336 48 -336 16 WIRE -224 48 -224 16 WIRE 192 48 192 16 WIRE 640 48 192 48 WIRE 896 48 640 48 WIRE 192 80 192 48 WIRE 192 192 192 160 WIRE 192 192 112 192 WIRE 288 192 192 192 WIRE 112 224 112 192 WIRE 288 224 288 192 WIRE -176 272 -288 272 WIRE -80 272 -176 272 WIRE 48 272 16 272 WIRE 384 272 352 272 WIRE -288 304 -288 272 WIRE 16 304 16 272 WIRE 384 304 384 272 WIRE 896 320 896 48 WIRE 832 368 768 368 WIRE -288 416 -288 384 WIRE 16 416 16 384 WIRE 16 416 -288 416 WIRE 208 416 16 416 WIRE 288 416 288 320 WIRE 288 416 208 416 WIRE 416 416 288 416 WIRE 512 416 480 416 WIRE 560 416 512 416 WIRE 656 416 624 416 WIRE 704 416 656 416 WIRE -336 448 -336 416 WIRE -288 448 -288 416 WIRE 288 448 288 416 WIRE -176 464 -176 272 WIRE -80 464 -80 272 WIRE 512 464 512 416 WIRE 656 464 656 416 WIRE -336 560 -336 528 WIRE -288 560 -288 528 WIRE -176 560 -176 528 WIRE -80 560 -80 528 WIRE 112 560 112 320 WIRE 288 560 288 528 WIRE 384 560 384 384 WIRE 512 560 512 528 WIRE 656 560 656 528 WIRE 768 560 768 464 WIRE 896 560 896 416 FLAG -336 48 0 FLAG -224 48 0 FLAG 112 560 0 FLAG 384 560 0 FLAG 16 272 basis FLAG 208 416 kollektor FLAG 112 192 emitter FLAG 512 560 0 FLAG 288 560 0 FLAG 768 560 0 FLAG 656 560 0 FLAG 656 416 reg FLAG 640 48 c FLAG 896 560 0 FLAG -176 560 0 FLAG -288 560 0 FLAG -336 560 0 FLAG -80 560 0 SYMBOL voltage -336 -80 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value {U} SYMBOL cap -240 -48 R0 SYMATTR InstName C3 SYMATTR Value 1µF SYMBOL pnp 48 320 M180 SYMATTR InstName Q1 SYMATTR Value BC557B SYMBOL pnp 352 320 R180 WINDOW 3 84 4 Left 2 SYMATTR Value BC557B SYMATTR InstName Q2 SYMBOL res 176 64 R0 SYMATTR InstName R1 SYMATTR Value {R} SYMBOL res 272 432 R0 SYMATTR InstName R2 SYMATTR Value {Rl} SYMBOL cap 480 400 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 100pF SYMBOL schottky 496 528 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL npn 704 368 R0 SYMATTR InstName Q3 SYMATTR Value BC547B SYMBOL schottky 560 400 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 640 464 R0 SYMATTR InstName C7 SYMATTR Value 47nF SYMBOL res 176 -80 R0 SYMATTR InstName R3 SYMATTR Value {R} SYMBOL pnp 832 416 M180 SYMATTR InstName Q4 SYMATTR Value BC557B SYMBOL res 0 288 R0 SYMATTR InstName R4 SYMATTR Value 300 SYMBOL res 368 288 R0 SYMATTR InstName R5 SYMATTR Value 300 SYMBOL ind2 -304 544 M180 WINDOW 0 36 80 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName L1 SYMATTR Value 27µH SYMATTR Type ind SYMATTR SpiceLine Rser=3.4 SYMBOL cap -192 528 M180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C1 SYMATTR Value 180pF SYMBOL ind2 -352 544 M180 WINDOW 0 -31 79 Left 2 WINDOW 3 -69 39 Left 2 SYMATTR InstName L2 SYMATTR Value 620µH SYMATTR Type ind SYMATTR SpiceLine Rser=0.5 SYMBOL ind2 -304 400 M180 WINDOW 0 36 80 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName L3 SYMATTR Value 424µH SYMATTR Type ind SYMATTR SpiceLine Rser=13.4 SYMBOL cap -96 464 R0 SYMATTR InstName C4 SYMATTR Value 10pF TEXT -352 -320 Left 2 !.tran 0 10ms 9.98ms 10µs startup TEXT -352 -288 Left 2 !;ac oct 1000 400kHz 500kHz TEXT 96 -192 Left 2 ;.step param R list 10k 50k 100k 200k TEXT 96 -160 Left 2 !.param R 4k7 TEXT 96 -256 Left 2 ;.step param U list 2V 4V 6V TEXT 96 -224 Left 2 !.param U 5V TEXT -352 -192 Left 2 !.step param Rl list 1k8 4k7 22k 1Meg TEXT -352 -160 Left 2 ;.param Rl 10Meg TEXT -216 608 Right 2 !K1 L1 L2 L3 0.9