Version 4
SHEET 1 1128 680
WIRE -160 -112 -192 -112
WIRE 0 -112 -96 -112
WIRE 320 -112 0 -112
WIRE 512 -112 320 -112
WIRE 608 -112 576 -112
WIRE 784 -112 688 -112
WIRE 0 -96 0 -112
WIRE 320 -96 320 -112
WIRE -272 0 -368 0
WIRE -160 0 -272 0
WIRE 192 0 -160 0
WIRE 320 0 320 -32
WIRE 320 0 192 0
WIRE 464 0 320 0
WIRE 0 16 0 -32
WIRE 80 16 0 16
WIRE 320 16 320 0
WIRE -160 32 -160 0
WIRE 80 32 80 16
WIRE 464 48 464 0
WIRE 192 96 192 0
WIRE 320 96 320 80
WIRE -368 144 -368 0
WIRE 0 144 0 16
WIRE 128 144 0 144
WIRE 288 160 256 160
WIRE 336 160 288 160
WIRE 464 160 464 112
WIRE 464 160 416 160
WIRE 512 160 464 160
WIRE 608 160 576 160
WIRE 736 160 688 160
WIRE 784 160 784 -112
WIRE 784 160 736 160
WIRE -160 176 -160 112
WIRE 128 176 -160 176
WIRE -160 208 -160 176
WIRE 80 208 80 112
WIRE 128 208 80 208
WIRE 784 208 784 160
WIRE 0 224 0 144
WIRE 464 224 464 160
WIRE 80 240 80 208
WIRE 128 240 80 240
WIRE -368 304 -368 224
WIRE -160 304 -160 288
WIRE 0 304 0 288
WIRE 160 304 160 288
WIRE 224 304 224 288
WIRE 464 304 464 288
WIRE 784 304 784 288
FLAG 320 96 0
FLAG 784 304 0
FLAG 160 304 0
FLAG 224 304 0
FLAG -192 -112 0
FLAG -368 304 0
FLAG 464 304 0
FLAG 0 304 0
FLAG -272 0 vcc
FLAG -160 304 0
FLAG 288 160 sw
FLAG 736 160 L
SYMBOL cap 576 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 22n
SYMBOL res 704 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 33
SYMBOL cap 576 -128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL res 704 -128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL voltage 784 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 325 50)
SYMBOL schottky 304 -96 R0
WINDOW 0 43 24 Left 2
WINDOW 3 43 49 Left 2
SYMATTR InstName D1
SYMATTR Value RB511SM-30
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 304 16 R0
WINDOW 0 38 29 Left 2
WINDOW 3 26 52 Left 2
SYMATTR InstName C3
SYMATTR Value 22µ
SYMBOL schottky -160 -96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 -1 55 VBottom 2
SYMATTR InstName D2
SYMATTR Value RB511SM-30
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 432 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 15
SYMBOL diode 480 112 R180
WINDOW 0 -36 48 Left 2
WINDOW 3 -115 24 Left 2
SYMATTR InstName D3
SYMATTR Value RF101L2S
SYMBOL diode 480 288 R180
WINDOW 0 -36 48 Left 2
WINDOW 3 -115 24 Left 2
SYMATTR InstName D4
SYMATTR Value RF101L2S
SYMBOL cap -16 -96 R0
SYMATTR InstName C4
SYMATTR Value 220p
SYMBOL cap -16 224 R0
WINDOW 0 26 12 Left 2
WINDOW 3 28 52 Left 2
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL res 64 16 R0
WINDOW 0 39 25 Left 2
WINDOW 3 31 51 Left 2
SYMATTR InstName R4
SYMATTR Value 10Meg
SYMBOL res -176 16 R0
SYMATTR InstName R5
SYMATTR Value 10Meg
SYMBOL res -176 192 R0
SYMATTR InstName R6
SYMATTR Value 3.3Meg
SYMBOL voltage -368 128 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL Comparators\\LTC1440 192 96 R0
WINDOW 0 76 174 Left 2
WINDOW 3 76 201 Left 2
SYMATTR InstName U1
TEXT 838 -88 Left 2 !.tran 0 200m 100m 1u
TEXT 528 -56 Left 2 ;Y2
TEXT 528 216 Left 2 ;Y2
TEXT 832 248 Left 2 ;3.275mW (95%)
TEXT -536 184 Left 2 ;-3.445mW