Version 4
SHEET 1 1296 680
WIRE 160 -112 -32 -112
WIRE 208 -112 160 -112
WIRE 160 -32 160 -48
WIRE 208 -32 160 -32
WIRE 208 0 208 -32
WIRE -32 48 -32 -112
WIRE -32 48 -80 48
WIRE 128 48 112 48
WIRE 144 48 128 48
WIRE -80 144 -80 48
WIRE -32 176 -32 112
WIRE 208 176 208 96
WIRE 208 176 -32 176
WIRE 256 176 208 176
WIRE 256 192 256 176
WIRE -32 256 -32 176
WIRE 208 320 208 176
WIRE -80 368 -80 224
WIRE -32 368 -32 320
WIRE -32 368 -80 368
WIRE 128 368 112 368
WIRE 144 368 128 368
WIRE 208 448 208 416
WIRE 208 448 160 448
WIRE 160 464 160 448
WIRE -32 528 -32 368
WIRE 160 528 -32 528
WIRE 208 528 160 528
WIRE 224 528 208 528
FLAG 256 192 0
FLAG -80 48 V1p
FLAG -80 368 V1m
FLAG 128 48 Q1B
FLAG 128 368 Q2B
FLAG 208 -32 Q1C
FLAG 160 448 Q2C
SYMBOL voltage -80 128 R0
WINDOW 3 -338 49 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -66 53 Left 2
SYMATTR Value SINE(-3 6 1 0 0 0 3)
SYMATTR InstName V1
SYMBOL res 128 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 147
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 128 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 147
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL diode 176 -48 R180
WINDOW 0 40 35 Left 2
WINDOW 3 -401 -197 Left 2
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL diode 144 464 R0
WINDOW 0 -35 33 Left 2
WINDOW 3 348 -346 Left 2
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL diode -16 112 R180
WINDOW 0 -32 28 Left 2
WINDOW 3 -586 94 Left 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode -48 256 R0
WINDOW 0 37 32 Left 2
WINDOW 3 536 -205 Left 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL ind 192 -128 R0
WINDOW 3 70 40 Left 2
SYMATTR InstName L1
SYMATTR Value 0.02
SYMATTR SpiceLine Rser=64.3
SYMBOL ind 192 432 R0
WINDOW 3 68 41 Left 2
SYMATTR InstName L2
SYMATTR Value 0.02
SYMATTR SpiceLine Rser=64.3
SYMBOL npn2 144 0 R0
SYMATTR InstName Q1
SYMATTR Value BF240
SYMBOL npn2 144 416 M180
SYMATTR InstName Q2
SYMATTR Value BF240
SYMBOL diode -32 64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 93 560 VBottom 2
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL diode -32 384 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 314 564 VBottom 2
SYMATTR InstName D6
SYMATTR Value 1N4148
TEXT -424 216 Left 2 !.tran 3.5 startup
TEXT -424 -208 Left 2 !.model SW_rel1 SW(Ron=140 Roff=1Meg Vt=0 Vh=-.5 Lser=10n Vser=.6)
TEXT -424 -176 Left 2 !.model SW_rel2 SW(Ron=140 Roff=1Meg Vt=0 Vh=-.5 Lser=10n Vser=.6)