Version 4
SHEET 1 880 680
WIRE -192 240 -400 240
WIRE -112 240 -192 240
WIRE 16 240 -112 240
WIRE 352 240 208 240
WIRE 448 240 352 240
WIRE 560 240 448 240
WIRE 640 240 560 240
WIRE 672 240 640 240
WIRE -400 272 -400 240
WIRE -192 272 -192 240
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 -112 304 -112 240
WIRE 448 352 448 240
WIRE 672 384 672 336
WIRE -400 400 -400 336
WIRE -336 400 -400 400
WIRE -192 400 -192 336
WIRE -192 400 -256 400
WIRE 112 400 112 336
WIRE 352 400 352 368
WIRE 352 400 112 400
WIRE 672 416 672 384
WIRE 560 464 560 240
WIRE -400 480 -400 400
WIRE -192 480 -192 400
WIRE 112 496 112 400
WIRE 80 528 48 528
WIRE -400 576 -400 544
WIRE -192 576 -192 544
WIRE -192 576 -400 576
WIRE -112 576 -112 368
WIRE -112 576 -192 576
WIRE 48 576 48 528
WIRE 48 576 -112 576
WIRE 112 576 112 560
WIRE 112 576 48 576
WIRE 448 576 448 416
WIRE 448 576 112 576
WIRE 560 576 560 544
WIRE 560 576 448 576
WIRE 672 576 672 496
WIRE 672 576 560 576
WIRE 112 608 112 576
FLAG 112 608 0
FLAG 640 240 Out
FLAG 672 384 Aud
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 2200u
SYMATTR InstName C1
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 C2
SYMATTR Value 1u
SYMBOL voltage 352 272 R0
WINDOW 3 -152 108 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 -135 80 Left 0
WINDOW 0 -26 59 Left 0
SYMATTR Value SINE(0 .7 1k)
SYMATTR SpiceLine Rser=6k8
SYMATTR InstName Vmic
SYMBOL res 656 400 R0
WINDOW 0 -50 22 Left 0
WINDOW 3 -25 64 Left 0
SYMATTR InstName RSpk
SYMATTR Value 8
SYMBOL voltage -240 400 R90
WINDOW 3 -53 -31 VRight 0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
WINDOW 0 -22 56 Left 0
SYMATTR Value SINE(0 25 50)
SYMATTR InstName Vca
SYMBOL diode -384 336 R180
WINDOW 0 -28 3 Left 0
WINDOW 3 24 0 Invisible 0
SYMATTR InstName D1
SYMATTR Value MURS320
SYMBOL diode -176 336 R180
WINDOW 0 -28 3 Left 0
WINDOW 3 24 0 Invisible 0
SYMATTR InstName D2
SYMATTR Value MURS320
SYMBOL diode -384 544 R180
WINDOW 0 -28 3 Left 0
WINDOW 3 24 0 Invisible 0
SYMATTR InstName D3
SYMATTR Value MURS320
SYMBOL diode -176 544 R180
WINDOW 0 -28 3 Left 0
WINDOW 3 24 0 Invisible 0
SYMATTR InstName D4
SYMATTR Value MURS320
SYMBOL polcap -128 304 R0
WINDOW 3 24 64 Left 0
SYMATTR Value 4700u
SYMATTR InstName C3
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
TEXT 424 600 Left 0 !.tran 0 100m 80m uic
TEXT 200 600 Left 0 !.four 1k V(Out)
TEXT 472 224 Left 0 ;Linea