Version 4
SHEET 1 880 680
WIRE 496 64 272 64
WIRE 576 64 496 64
WIRE -16 144 -80 144
WIRE 96 144 64 144
WIRE 272 144 272 128
WIRE 272 144 176 144
WIRE 384 144 272 144
WIRE 416 144 384 144
WIRE 272 160 272 144
WIRE 416 160 416 144
WIRE -80 208 -80 144
WIRE 496 208 496 64
WIRE 576 208 576 64
WIRE -80 336 -80 288
WIRE 208 336 -80 336
WIRE 272 336 272 224
WIRE 272 336 208 336
WIRE 416 336 416 240
WIRE 416 336 272 336
WIRE 496 336 496 272
WIRE 496 336 416 336
WIRE 576 336 576 288
WIRE 576 336 496 336
WIRE 208 352 208 336
FLAG 208 352 0
FLAG 384 144 INPUT
SYMBOL schottky 288 128 R180
WINDOW 0 24 72 Left 0
WINDOW 3 -81 33 Left 0
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 288 224 R180
WINDOW 0 35 -5 VLeft 0
WINDOW 3 -3 -64 VRight 0
SYMATTR InstName D2
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 192 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 1meg
SYMBOL res 80 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 1meg
SYMBOL res 432 256 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R3
SYMATTR Value 39k
SYMBOL voltage -80 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 325 50)
SYMBOL voltage 576 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL cap 480 208 R0
WINDOW 0 -5 16 VLeft 0
WINDOW 3 -1 49 VRight 0
SYMATTR InstName C1
SYMATTR Value 470µ
TEXT -112 376 Left 0 !.tran 100m