Version 4
SHEET 1 880 680
WIRE -688 -208 -704 -208
WIRE -656 -208 -688 -208
WIRE -528 -208 -560 -208
WIRE -496 -208 -528 -208
WIRE -704 -176 -704 -208
WIRE -496 -176 -496 -208
WIRE -704 -80 -704 -96
WIRE -592 -80 -704 -80
WIRE -496 -80 -496 -96
WIRE -496 -80 -592 -80
WIRE -592 -48 -592 -80
WIRE -208 144 -224 144
WIRE -176 144 -208 144
WIRE -688 176 -704 176
WIRE -544 176 -560 176
WIRE -176 192 -176 144
WIRE -304 208 -320 208
WIRE -224 208 -304 208
WIRE -704 224 -704 176
WIRE -544 224 -544 176
WIRE -304 256 -320 256
WIRE -224 256 -304 256
WIRE -176 320 -176 272
WIRE 0 320 -176 320
WIRE 32 320 0 320
WIRE -704 336 -704 304
WIRE -544 336 -544 304
WIRE 208 352 176 352
WIRE 304 352 208 352
WIRE 464 352 304 352
WIRE -176 368 -176 320
WIRE -304 384 -320 384
WIRE -224 384 -304 384
WIRE -304 432 -320 432
WIRE -224 432 -304 432
WIRE 304 448 304 352
WIRE 464 464 464 352
WIRE -208 496 -240 496
WIRE -176 496 -176 448
WIRE -176 496 -208 496
WIRE 304 624 304 528
WIRE 320 624 304 624
WIRE 464 624 464 544
WIRE 464 624 320 624
WIRE 320 656 320 624
FLAG 320 656 0
FLAG -544 336 0
FLAG -592 -48 0
FLAG -688 -208 Upos
FLAG -528 -208 Uneg
FLAG -704 176 Upwm_ref
FLAG -544 176 Uduty
FLAG -208 144 Upos
FLAG -208 496 Uneg
FLAG 0 320 UPWM
FLAG 208 352 UPWM
FLAG -704 336 0
FLAG -304 208 Upwm_ref
FLAG -304 384 Upwm_ref
FLAG -304 256 Uduty
FLAG -304 432 Uduty
SYMBOL ind2 448 448 R0
SYMATTR InstName L1
SYMATTR Value 8m
SYMATTR Type ind
SYMATTR SpiceLine Rser=8
SYMBOL sw -176 176 R0
WINDOW 0 -25 52 Left 2
SYMATTR InstName S1
SYMBOL sw -176 464 M180
WINDOW 0 -24 54 Left 2
SYMATTR InstName S2
SYMBOL voltage -704 208 R0
WINDOW 0 49 93 VLeft 2
WINDOW 3 -77 168 VLeft 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vpwm
SYMATTR Value PULSE(0 1 0 32u 32u 0f 64u)
SYMBOL voltage -544 208 R0
WINDOW 0 -48 23 VRight 2
WINDOW 3 50 294 VLeft 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vduty
SYMATTR Value PULSE(0.025 0.975 0 21m 21m 0f 42m)
SYMBOL voltage -704 -192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 44 Left 2
SYMATTR SpiceLine Rser=0
SYMATTR InstName Vpos
SYMATTR Value 12
SYMBOL voltage -496 -192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 44 Left 2
SYMATTR SpiceLine Rser=0
SYMATTR InstName Vneg
SYMATTR Value -12
SYMBOL res 288 432 R0
SYMATTR InstName R1
SYMATTR Value 1k
TEXT 0 -224 Left 2 !.tran 0 100m 0.1m 0.1u uic
TEXT 0 -184 Left 2 !.model SW SW((Ron=1n Roff=10T Vt=0 Vh=0))
TEXT -1360 520 VLeft 2 ;Uduty beallitasok:\nPULSE(0.325 0.675 0 21m 21m 0f 42m)  : haromszog jel -0.35...0.35\nSINE(0.5 0.175 23.8 0 0 0f 0) : szinuszjel