Version 4
SHEET 1 880 696
WIRE -672 160 -752 160
WIRE -448 160 -592 160
WIRE -272 160 -448 160
WIRE -80 160 -192 160
WIRE 80 160 0 160
WIRE 128 160 80 160
WIRE -448 192 -448 160
WIRE 80 208 80 160
WIRE -752 224 -752 160
WIRE -656 224 -656 208
WIRE -608 224 -608 208
WIRE -560 224 -608 224
WIRE -256 224 -256 208
WIRE -208 224 -208 208
WIRE -160 224 -208 224
WIRE -448 288 -448 256
WIRE 80 320 80 288
WIRE -752 368 -752 304
WIRE -448 384 -448 352
WIRE -688 448 -752 448
WIRE -288 448 -352 448
WIRE -752 480 -752 448
WIRE -352 480 -352 448
WIRE -752 592 -752 560
WIRE -352 592 -352 560
FLAG 80 320 0
FLAG -752 368 0
FLAG -656 224 0
FLAG -256 224 0
FLAG -752 592 0
FLAG -352 592 0
FLAG -560 224 S1
FLAG -688 448 S1
FLAG -288 448 S2
FLAG -160 224 S2
FLAG 128 160 out
FLAG -448 384 0
SYMBOL cap -464 192 R0
SYMATTR InstName C1
SYMATTR Value 22µ
SYMBOL cap -464 288 R0
SYMATTR InstName C2
SYMATTR Value 22µ
SYMBOL res 64 192 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL ind -96 176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
WINDOW 39 -23 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 35m
SYMATTR SpiceLine Rser=1
SYMBOL sw -688 160 R270
SYMATTR InstName S1
SYMBOL sw -288 160 R270
SYMATTR InstName S2
SYMBOL Misc\\battery -752 208 R0
SYMATTR InstName V1
SYMATTR Value 3
SYMBOL voltage -752 464 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 1m 1 90m 1 90.1m 0)
SYMBOL voltage -352 464 R0
SYMATTR InstName V3
SYMATTR Value PWL(0 0 100m 0 100.1m 1)
TEXT -768 680 Left 2 !.model SW SW(Ron=0.1 Roff=10G Vt=0.5)
TEXT -760 56 Left 2 !.tran 150m