Version 4
SHEET 1 880 680
WIRE -352 64 -432 64
WIRE -160 64 -272 64
WIRE 224 64 112 64
WIRE 272 64 224 64
WIRE 432 64 272 64
WIRE 512 64 432 64
WIRE 624 64 512 64
WIRE 32 80 -48 80
WIRE 272 80 272 64
WIRE 432 80 432 64
WIRE 624 80 624 64
WIRE -48 112 -48 80
WIRE 224 112 224 64
WIRE -288 144 -288 112
WIRE -256 144 -288 144
WIRE -160 160 -160 64
WIRE 512 160 512 64
WIRE 32 176 32 80
WIRE 112 176 112 64
WIRE 112 176 96 176
WIRE 224 192 224 176
WIRE 272 192 272 160
WIRE 272 192 224 192
WIRE 480 192 272 192
WIRE -48 208 -48 192
WIRE -48 208 -96 208
WIRE 624 208 624 160
WIRE 624 208 560 208
WIRE -48 224 -48 208
WIRE 112 224 112 176
WIRE 112 224 64 224
WIRE 432 224 432 160
WIRE 432 224 368 224
WIRE 480 224 432 224
WIRE -432 240 -432 64
WIRE -256 240 -256 144
WIRE 112 256 112 224
WIRE 272 256 272 192
WIRE 368 256 368 224
WIRE 432 256 432 224
WIRE -48 336 -48 304
WIRE 0 336 -48 336
WIRE 64 336 64 224
WIRE -432 384 -432 320
WIRE -336 384 -336 112
WIRE -336 384 -432 384
WIRE -256 384 -256 320
WIRE -256 384 -336 384
WIRE -160 384 -160 240
WIRE -160 384 -256 384
WIRE -96 384 -96 208
WIRE -96 384 -160 384
WIRE 112 384 112 320
WIRE 112 384 -96 384
WIRE 272 384 272 320
WIRE 272 384 112 384
WIRE 432 384 432 336
WIRE 432 384 272 384
WIRE 496 384 496 256
WIRE 496 384 432 384
WIRE 512 384 512 256
WIRE 512 384 496 384
WIRE 368 416 368 336
WIRE 624 416 624 208
WIRE 624 416 368 416
WIRE 272 432 272 384
FLAG 272 432 0
SYMBOL Comparators\\LT1011 512 208 R0
SYMATTR InstName U1
SYMBOL cap 256 256 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL res 256 64 R0
WINDOW 0 33 46 Left 2
SYMATTR InstName R1
SYMATTR Value 1Meg
SYMBOL res 416 64 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res 416 240 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL diode 32 192 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 222 63 VBottom 2
SYMATTR InstName D1
SYMATTR Value RR1VWM4S
SYMBOL cap 96 256 R0
SYMATTR InstName C4
SYMATTR Value 1000µ
SYMBOL res 608 64 R0
SYMATTR InstName R6
SYMATTR Value 220
SYMBOL voltage -432 224 R0
WINDOW 3 -117 130 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 325 50)
SYMBOL res 352 240 R0
SYMATTR InstName R7
SYMATTR Value 1Meg
SYMBOL schottky 240 176 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL sw -368 64 R270
SYMATTR InstName S1
SYMATTR Value MYSW
SYMBOL voltage -256 224 R0
WINDOW 3 -55 213 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0 5 0 100n 100n 100 101)
SYMBOL ind2 -176 144 R0
SYMATTR InstName L1
SYMATTR Value 5
SYMATTR Type ind
SYMBOL ind2 -64 96 R0
SYMATTR InstName L2
SYMATTR Value 12.5m
SYMATTR Type ind
SYMBOL ind2 -64 208 R0
SYMATTR InstName L3
SYMATTR Value 12.5m
SYMATTR Type ind
SYMBOL diode 0 352 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 -121 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value RR1VWM4S
TEXT -104 -56 Left 2 !.tran 300 startup
TEXT -392 592 Left 2 !.model MYSW SW(Ron=1 Roff=1Meg Vt=3.5 Vh=0.5)
TEXT 224 464 Left 2 !K L1 L2 L3 1