Version 4
SHEET 1 880 680
WIRE -688 -80 -768 -80
WIRE -528 -80 -624 -80
WIRE -448 -80 -528 -80
WIRE -240 -80 -448 -80
WIRE -448 -64 -448 -80
WIRE -240 -64 -240 -80
WIRE 32 -64 -16 -64
WIRE 144 -64 96 -64
WIRE 224 -64 144 -64
WIRE 400 -64 304 -64
WIRE 592 -64 400 -64
WIRE 144 -48 144 -64
WIRE 64 16 -16 16
WIRE 144 16 64 16
WIRE 400 32 400 -64
WIRE -768 48 -768 -80
WIRE -448 48 -448 16
WIRE -144 48 -304 48
WIRE -80 48 -144 48
WIRE 64 48 64 16
WIRE -528 64 -528 -80
WIRE -240 80 -240 16
WIRE -80 80 -80 48
WIRE -448 128 -448 48
WIRE -304 128 -448 128
WIRE -144 144 -144 48
WIRE 592 160 592 -64
WIRE -448 176 -448 128
WIRE -368 224 -384 224
WIRE -352 224 -368 224
WIRE -240 224 -240 176
WIRE -240 224 -272 224
WIRE -80 224 -80 160
WIRE 16 224 -80 224
WIRE 400 224 400 96
WIRE 400 224 208 224
WIRE -240 240 -240 224
WIRE -80 240 -80 224
WIRE 16 320 -16 320
WIRE 400 320 400 304
WIRE 400 320 208 320
WIRE 592 320 592 240
WIRE 592 320 400 320
WIRE -768 336 -768 128
WIRE -624 336 -768 336
WIRE -528 336 -528 128
WIRE -528 336 -544 336
WIRE -448 336 -448 272
WIRE -448 336 -528 336
WIRE -240 336 -240 320
WIRE -240 336 -448 336
WIRE -144 336 -144 208
WIRE -144 336 -240 336
WIRE -80 336 -80 304
WIRE -80 336 -144 336
WIRE 400 368 400 320
WIRE -528 400 -528 336
WIRE -368 416 -368 224
WIRE -16 416 -16 320
WIRE -16 416 -368 416
FLAG 400 368 0
FLAG 64 48 0
FLAG -528 400 0
SYMBOL Optos\\PC817A 112 272 M0
SYMATTR InstName U1
SYMBOL zener 416 96 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName DZ
SYMATTR Value 1N750
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 384 208 R0
SYMATTR InstName R10
SYMATTR Value 1k
SYMBOL ind2 0 -80 M0
SYMATTR InstName L1
SYMATTR Value 10µ
SYMBOL ind2 -224 32 R180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L2
SYMATTR Value 2m
SYMATTR SpiceLine Cpar=0
SYMBOL ind2 -64 176 R180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L3
SYMATTR Value 10µ
SYMBOL schottky 32 -48 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D7
SYMATTR Value 1N5819
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 128 -48 R0
SYMATTR InstName C1
SYMATTR Value 500µ
SYMBOL res 320 -80 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R11
SYMATTR Value 0.3
SYMBOL npn -304 80 R0
SYMATTR InstName Q1
SYMATTR Value 2N5550
SYMBOL diode -688 -64 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMATTR Value MUR460
SYMBOL res -528 320 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL cap -544 64 R0
SYMATTR InstName C2
SYMATTR Value 8µ
SYMBOL voltage -768 32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 320 50)
SYMBOL res -256 224 R0
SYMATTR InstName R4
SYMATTR Value 10
SYMBOL res -256 208 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -464 -80 R0
SYMATTR InstName R3
SYMATTR Value 5Meg
SYMBOL npn -384 176 M0
SYMATTR InstName Q2
SYMATTR Value QBC337-40
SYMBOL cap -96 240 R0
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL diode -128 208 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL cap -304 32 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C4
SYMATTR Value 1µ
SYMBOL res -352 32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 5k
SYMBOL res 576 144 R0
SYMATTR InstName Last
SYMATTR Value 1000
TEXT -232 -152 Left 0 !K1 L1 L2 L3 1.
TEXT -674 424 Left 0 !.tran 0 200m 0 100n