Version 4
SHEET 1 880 680
WIRE -480 240 -640 240
WIRE -304 240 -368 240
WIRE -272 240 -304 240
WIRE -144 240 -208 240
WIRE -80 240 -144 240
WIRE 16 240 -80 240
WIRE 352 240 208 240
WIRE 448 240 352 240
WIRE 560 240 448 240
WIRE 624 240 560 240
WIRE 672 240 624 240
WIRE -368 256 -368 240
WIRE 560 272 560 240
WIRE 672 272 672 240
WIRE 16 288 16 240
WIRE 48 288 16 288
WIRE 208 288 208 240
WIRE 208 288 176 288
WIRE 352 288 352 240
WIRE -640 304 -640 240
WIRE -480 304 -480 240
WIRE -464 304 -480 304
WIRE -464 320 -464 304
WIRE -304 320 -304 240
WIRE -272 320 -304 320
WIRE -176 320 -208 320
WIRE -80 336 -80 240
WIRE 448 352 448 240
WIRE -368 368 -368 336
WIRE -352 368 -368 368
WIRE -272 384 -304 384
WIRE -176 384 -176 320
WIRE -176 384 -208 384
WIRE 560 384 560 352
WIRE -368 400 -368 368
WIRE 112 400 112 336
WIRE 352 400 352 368
WIRE 352 400 112 400
WIRE 672 400 672 336
WIRE -640 416 -640 384
WIRE -528 416 -640 416
WIRE -464 416 -464 400
WIRE -464 416 -528 416
WIRE 560 416 560 384
WIRE 560 416 512 416
WIRE 672 416 672 400
WIRE -528 448 -528 416
WIRE 560 464 560 416
WIRE 512 480 512 416
WIRE -368 496 -368 480
WIRE -304 496 -304 384
WIRE -304 496 -368 496
WIRE -272 496 -304 496
WIRE -144 496 -144 240
WIRE -144 496 -208 496
WIRE 112 496 112 400
WIRE 80 528 48 528
WIRE -528 576 -528 528
WIRE -176 576 -176 384
WIRE -176 576 -528 576
WIRE -80 576 -80 400
WIRE -80 576 -176 576
WIRE 48 576 48 528
WIRE 48 576 -80 576
WIRE 112 576 112 560
WIRE 112 576 48 576
WIRE 448 576 448 416
WIRE 448 576 112 576
WIRE 512 576 512 544
WIRE 512 576 448 576
WIRE 560 576 560 544
WIRE 560 576 512 576
WIRE 672 576 672 496
WIRE 672 576 560 576
WIRE 112 608 112 576
FLAG 112 608 0
FLAG 560 384 Out
FLAG 672 400 Aud
FLAG 624 240 Comb
FLAG -352 368 x
SYMBOL Robertugo\\reg3all 176 304 R0
SYMATTR InstName U1
SYMATTR SpiceModel LM317Psp
SYMBOL Robertugo\\Pote 96 464 R0
SYMATTR InstName U2
SYMATTR Value Rt=1e5
SYMBOL polcap 688 272 M0
WINDOW 3 24 64 Left 0
SYMATTR Value 1m
SYMATTR InstName Cacop
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=35 Irms=2.68 Rser=0.02 MTBF=5000 Lser=0 mfg="Nichicon" pn="UPL1V222MRH" type="Al electrolytic" ppPkg=1
SYMBOL res 544 448 R0
SYMATTR InstName RLvcc
SYMATTR Value 12
SYMBOL cap 432 352 R0
SYMATTR InstName Cf1
SYMATTR Value 1u
SYMBOL res 656 400 R0
WINDOW 0 -62 37 Left 0
WINDOW 3 -25 64 Left 0
SYMATTR InstName RSpk
SYMATTR Value 6
SYMBOL current 352 288 R0
WINDOW 3 -228 86 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value SINE(185u 120u 1k)
SYMATTR InstName Imic
SYMBOL polcap -96 336 R0
WINDOW 3 24 64 Left 0
SYMATTR Value 4m7
SYMATTR InstName Cf0
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=25 Irms=2.96 Rser=0.018 MTBF=5000 Lser=0 mfg="Nichicon" pn="UPL1E472MRH" type="Al electrolytic" ppPkg=1
SYMBOL ind2 544 256 R0
WINDOW 0 -37 36 Left 0
WINDOW 3 -40 57 Left 0
SYMATTR InstName Lf
SYMATTR Value 5m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=1.5 Rser=1m Rpar=45000 Cpar=220f
SYMBOL polcap 528 480 M0
WINDOW 3 24 64 Left 0
SYMATTR Value 2m2
SYMATTR InstName Cf2
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=35 Irms=2.68 Rser=0.02 MTBF=5000 Lser=0 mfg="Nichicon" pn="UPL1V222MRH" type="Al electrolytic" ppPkg=1
SYMBOL ind2 -352 352 R180
WINDOW 0 -30 55 Left 0
WINDOW 3 -43 30 Left 0
SYMATTR InstName L2
SYMATTR Value 1m8
SYMBOL ind2 -352 496 R180
WINDOW 0 -30 87 Left 0
WINDOW 3 -45 57 Left 0
SYMATTR InstName L3
SYMATTR Value 1m8
SYMBOL ind2 -480 416 M180
WINDOW 0 -35 90 Left 0
WINDOW 3 -22 62 Left 0
SYMATTR InstName L1
SYMATTR Value 1
SYMATTR SpiceLine Rser=1
SYMBOL res -544 432 R0
SYMATTR InstName Raisl
SYMATTR Value 1e9
SYMBOL diode -272 512 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 Invisible 0
SYMATTR InstName D2
SYMATTR Value MURS320
SYMBOL voltage -640 288 R0
WINDOW 0 -15 58 Left 0
WINDOW 3 5 108 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 312 50)
SYMBOL diode -272 256 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 Invisible 0
SYMATTR InstName D1
SYMATTR Value MURS320
SYMBOL diode -208 304 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 Invisible 0
SYMATTR InstName D3
SYMATTR Value MURS320
SYMBOL diode -208 368 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 Invisible 0
SYMATTR InstName D4
SYMATTR Value MURS320
TEXT -648 216 Left 0 !.tran 0 200m 140m startup
TEXT -360 560 Left 0 !.four 1k V(Aud)
TEXT 472 224 Left 0 ;Linea
TEXT -416 288 VRight 0 !K1 L1 L2 L3 1