Version 4
SHEET 1 1332 680
WIRE 400 -48 176 -48
WIRE 432 -48 400 -48
WIRE 720 -48 432 -48
WIRE 752 -32 656 -32
WIRE 848 -32 816 -32
WIRE -48 -16 -176 -16
WIRE 352 -16 -48 -16
WIRE 400 0 400 -48
WIRE 176 16 176 -48
WIRE 656 64 656 -32
WIRE 752 64 656 64
WIRE 848 64 848 -32
WIRE 848 64 832 64
WIRE 352 96 352 -16
WIRE 352 96 304 96
WIRE 400 96 400 64
WIRE 400 96 352 96
WIRE 720 128 720 -48
WIRE 848 144 848 64
WIRE 848 144 752 144
WIRE 320 160 304 160
WIRE 496 160 320 160
WIRE 512 160 496 160
WIRE 656 160 656 64
WIRE 656 160 592 160
WIRE 688 160 656 160
WIRE -176 176 -176 -16
WIRE -48 176 -48 -16
WIRE 768 176 752 176
WIRE 336 224 304 224
WIRE 352 224 336 224
WIRE 848 224 848 144
WIRE 720 256 720 192
WIRE 768 256 768 176
WIRE 768 256 720 256
WIRE 352 288 352 224
WIRE 432 288 432 -48
WIRE 496 288 496 160
WIRE 176 384 176 304
WIRE 352 384 352 352
WIRE 352 384 176 384
WIRE 432 384 432 352
WIRE 432 384 352 384
WIRE 496 384 496 352
WIRE 496 384 432 384
WIRE 720 384 720 256
WIRE 720 384 496 384
WIRE 736 384 720 384
WIRE 848 384 848 304
WIRE 848 384 816 384
WIRE 880 384 848 384
WIRE 1008 384 960 384
WIRE 1056 384 1008 384
WIRE 1200 384 1136 384
WIRE 352 416 352 384
WIRE 1008 416 1008 384
WIRE 1200 416 1200 384
WIRE -176 528 -176 256
WIRE -48 528 -48 240
WIRE -48 528 -176 528
WIRE 352 528 352 480
WIRE 352 528 -48 528
WIRE 1008 528 1008 480
WIRE 1008 528 352 528
WIRE 1200 528 1200 496
WIRE 1200 528 1008 528
WIRE -176 576 -176 528
FLAG -176 576 0
FLAG 320 160 FB
FLAG 336 224 VC
SYMBOL PowerProducts\\LT1171 176 160 R0
SYMATTR InstName U1
SYMBOL res 608 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 848 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 25k
SYMBOL res 864 320 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL res 832 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value .05
SYMBOL cap 416 288 R0
SYMATTR InstName C2
SYMATTR Value 2.2µF
SYMATTR SpiceLine Rser=.05
SYMBOL cap -64 176 R0
SYMATTR InstName C1
SYMATTR Value 220µF
SYMATTR SpiceLine Rser=.05
SYMBOL voltage -176 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL schottky 416 64 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5819
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 368 480 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value MBRS340
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 336 288 R0
SYMATTR InstName C3
SYMATTR Value .47µF
SYMATTR SpiceLine Rser=.05
SYMBOL cap 480 288 R0
SYMATTR InstName C4
SYMATTR Value 10n
SYMBOL ind 864 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 100µH
SYMATTR SpiceLine Rser=.01
SYMBOL ind 1040 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 10µ
SYMATTR SpiceLine Rser=.001
SYMBOL cap 992 416 R0
SYMATTR InstName C5
SYMATTR Value 220µF
SYMATTR SpiceLine Rser=.05
SYMBOL Misc\\battery 1200 400 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 4
SYMBOL cap 752 -16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C7
SYMATTR Value 1n
SYMBOL Opamps\\opamp2 720 96 M0
SYMATTR InstName U2
SYMATTR Value LM358/NS
TEXT -184 -152 Left 2 !.tran 0 1 0 1u
TEXT -184 -112 Left 2 !.options gmin=1e-10 abstol=1e-10 reltol=0.003
TEXT -184 -192 Left 2 !.inc LM358.mod