Version 4
SHEET 1 880 680
WIRE 176 16 32 16
WIRE 320 16 256 16
WIRE 32 80 32 16
WIRE 96 80 32 80
WIRE 416 80 160 80
WIRE 560 80 416 80
WIRE 688 80 560 80
WIRE 320 96 320 16
WIRE 464 96 320 96
WIRE 320 112 320 96
WIRE 160 128 160 80
WIRE 416 128 416 80
WIRE 560 144 560 80
WIRE 464 160 464 96
WIRE 528 160 464 160
WIRE 32 176 32 80
WIRE 688 176 688 160
WIRE 688 176 592 176
WIRE 528 192 496 192
WIRE 496 208 496 192
WIRE 496 208 416 208
FLAG 32 256 0
FLAG 160 192 0
FLAG 560 208 0
FLAG 320 176 0
FLAG 416 272 0
FLAG 496 272 0
SYMBOL voltage 32 160 R0
WINDOW 3 24 96 Invisible 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 12 1m 100n 100n 2m 20m)
SYMBOL schottky 96 96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 144 128 R0
SYMATTR InstName C1
SYMATTR Value 470µ
SYMATTR SpiceLine V=25
SYMBOL Comparators\\LT1017 560 176 R0
SYMATTR InstName U1
SYMBOL res 272 0 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL cap 304 112 R0
SYMATTR InstName C2
SYMATTR Value 10µ
SYMBOL res 672 64 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL zener 432 272 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value BZX84C6V2L
SYMBOL res 400 112 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL cap 480 208 R0
SYMATTR InstName C3
SYMATTR Value 4.7µ
TEXT -2 312 Left 2 !.tran 0 1 0 0.01