Version 4
SHEET 1 1108 680
WIRE -32 0 -176 0
WIRE 0 0 -32 0
WIRE 48 0 0 0
WIRE 80 0 48 0
WIRE 224 0 80 0
WIRE 80 16 80 0
WIRE 0 32 0 0
WIRE -32 80 -32 0
WIRE -16 80 -32 80
WIRE 80 80 64 80
WIRE -176 96 -176 0
WIRE 224 96 224 0
WIRE 0 144 0 128
WIRE 48 144 0 144
WIRE 80 144 80 80
WIRE 80 144 48 144
WIRE 160 144 80 144
WIRE 352 144 288 144
WIRE 592 144 352 144
WIRE 352 192 352 144
WIRE 0 208 0 144
WIRE 224 240 224 192
WIRE 224 272 224 240
WIRE -176 416 -176 176
WIRE 0 416 0 288
WIRE 0 416 -176 416
WIRE 224 416 224 352
WIRE 224 416 0 416
WIRE 352 416 352 272
WIRE 352 416 224 416
WIRE 0 432 0 416
FLAG 0 432 0
FLAG 592 144 UOUT
IOPIN 592 144 Out
FLAG 48 144 UB
FLAG 48 0 VDD
FLAG 224 240 SZAB
SYMBOL pa 48 32 M0
SYMATTR InstName U1
SYMBOL current 0 208 R0
SYMATTR InstName IB
SYMATTR Value 10µ
SYMBOL res 336 176 R0
SYMATTR InstName RL
SYMATTR Value 20
SYMBOL cap 64 16 R0
SYMATTR InstName C1
SYMATTR Value 50p
SYMBOL stabi5 224 144 R0
SYMATTR InstName STB
SYMBOL voltage 224 256 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vszab
SYMATTR Value PULSE(0 20 10u 10m 10m 1m 22m)
SYMBOL voltage -176 80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VD1
SYMATTR Value PULSE(0 5 0 10u 10u 5 10)
TEXT 376 400 Left 0 !.include C:/Programs/LTspiceIV/lib/sub/GFlev8.sub
TEXT -136 312 Left 0 !.tran 0 8m 0
TEXT -176 456 Left 0 !.save V(UOUT) V(STB:UC) V(STB:RAMP) V(VDD) V(STB:SW2) I(STB:STU:D1) I(STB:STU:L2) V(STB:UBG) V(STB:STU:UD) V(STB:ERR) V(SZAB)
TEXT -144 272 Left 0 !;.ic V(UOUT)=12
TEXT -152 360 Left 0 !;dc Vszab 0 20 10m
TEXT 240 8 Left 0 ;Nyílt hurok mellett vizsgáljuk a rendszer alkalmasságát a visszacsatolásra.