Version 4
SHEET 1 2036 836
WIRE -96 -240 -336 -240
WIRE 256 -240 -96 -240
WIRE 608 -240 256 -240
WIRE 864 -240 608 -240
WIRE 1136 -240 864 -240
WIRE 1392 -240 1136 -240
WIRE 1632 -240 1392 -240
WIRE 1392 -176 1392 -240
WIRE 256 -144 256 -240
WIRE -96 -112 -96 -240
WIRE -64 -112 -96 -112
WIRE 64 -112 16 -112
WIRE 80 -112 64 -112
WIRE 160 -112 144 -112
WIRE 160 -96 160 -112
WIRE 864 -64 864 -240
WIRE 1392 -64 1392 -96
WIRE 1392 -64 1248 -64
WIRE 448 -48 384 -48
WIRE 544 -48 512 -48
WIRE 1392 -16 1392 -64
WIRE 1248 0 1248 -64
WIRE 384 48 384 -48
WIRE 384 48 -64 48
WIRE 432 48 384 48
WIRE 544 48 544 -48
WIRE 544 48 512 48
WIRE 912 96 816 96
WIRE 1056 96 992 96
WIRE 1392 112 1392 64
WIRE 1392 112 1328 112
WIRE 1472 112 1392 112
WIRE 64 160 64 -112
WIRE 1472 160 1472 112
WIRE -336 176 -336 -240
WIRE -128 176 -192 176
WIRE -64 176 -64 48
WIRE -64 176 -128 176
WIRE 32 176 -64 176
WIRE 512 192 400 192
WIRE 608 192 608 -240
WIRE 608 192 512 192
WIRE 1136 192 1136 -240
WIRE 1136 192 944 192
WIRE 1632 192 1632 -240
WIRE 400 224 400 192
WIRE 64 240 64 192
WIRE 112 240 64 240
WIRE 368 240 112 240
WIRE 944 240 944 192
WIRE 1568 240 1520 240
WIRE 544 256 544 48
WIRE 544 256 432 256
WIRE 576 256 544 256
WIRE 608 256 576 256
WIRE 704 256 672 256
WIRE 816 256 816 96
WIRE 816 256 784 256
WIRE 912 256 816 256
WIRE 1728 256 1696 256
WIRE 1840 256 1808 256
WIRE 1888 256 1840 256
WIRE 256 272 256 -64
WIRE 256 272 176 272
WIRE 368 272 256 272
WIRE 1056 272 1056 96
WIRE 1056 272 976 272
WIRE 1088 272 1056 272
WIRE 1152 272 1088 272
WIRE 1472 272 1472 240
WIRE 1472 272 1216 272
WIRE 1568 272 1472 272
WIRE 864 288 864 16
WIRE 864 288 784 288
WIRE 912 288 864 288
WIRE 64 304 64 240
WIRE 1520 304 1520 240
WIRE 1568 304 1520 304
WIRE -192 336 -192 176
WIRE -64 336 -64 176
WIRE 1392 336 1392 112
WIRE 1520 336 1520 304
WIRE 1568 336 1520 336
WIRE 1840 368 1840 256
WIRE 176 384 176 272
WIRE 256 384 256 272
WIRE 512 400 512 192
WIRE 1136 400 1136 192
WIRE 784 432 784 288
WIRE 864 432 864 288
WIRE 1248 464 1248 64
WIRE 1392 464 1392 416
WIRE 1392 464 1248 464
WIRE 1520 464 1520 336
WIRE 1520 464 1392 464
WIRE 1328 528 1328 112
WIRE 1392 528 1392 464
WIRE -336 640 -336 256
WIRE -192 640 -192 416
WIRE -192 640 -336 640
WIRE -64 640 -64 400
WIRE -64 640 -192 640
WIRE 64 640 64 384
WIRE 64 640 -64 640
WIRE 176 640 176 448
WIRE 176 640 64 640
WIRE 256 640 256 464
WIRE 256 640 176 640
WIRE 400 640 400 288
WIRE 400 640 256 640
WIRE 512 640 512 464
WIRE 512 640 400 640
WIRE 784 640 784 496
WIRE 784 640 512 640
WIRE 864 640 864 512
WIRE 864 640 784 640
WIRE 944 640 944 304
WIRE 944 640 864 640
WIRE 1136 640 1136 464
WIRE 1136 640 944 640
WIRE 1328 640 1328 592
WIRE 1328 640 1136 640
WIRE 1392 640 1392 592
WIRE 1392 640 1328 640
WIRE 1600 640 1600 384
WIRE 1600 640 1392 640
WIRE 1664 640 1664 384
WIRE 1664 640 1600 640
WIRE 1840 640 1840 448
WIRE 1840 640 1664 640
WIRE -64 688 -64 640
FLAG -64 688 0
FLAG 160 -96 0
FLAG 576 256 out1
FLAG 112 240 src
FLAG -128 176 in
FLAG 1088 272 out2
FLAG 1888 256 out3
SYMBOL Opamps\\LT1028 400 192 R0
SYMATTR InstName U1
SYMBOL voltage -336 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 10V
SYMBOL BF862 48 176 R0
WINDOW 38 88 -36 Center 2
WINDOW 3 79 -69 Center 2
SYMATTR InstName U2
SYMBOL res 528 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100Meg
SYMBOL cap 512 -64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 0.5p
SYMBOL cap 144 -128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.1µ
SYMBOL res 32 -128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 4.32k
SYMBOL res 80 400 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 4.99k
SYMBOL current -192 336 R0
WINDOW 3 -146 423 Left 2
WINDOW 123 -276 481 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PWL(0ns 0nA 1us 0nA 1.01us 500nA 1.06us 500nA 1.07us 0nA)
SYMATTR InstName I1
SYMBOL cap -80 336 R0
SYMATTR InstName C3
SYMATTR Value 200p
SYMBOL res 240 -160 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 240 368 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL cap 160 384 R0
SYMATTR InstName C4
SYMATTR Value 100n
SYMBOL cap 496 400 R0
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL Opamps\\LT1028 944 208 R0
SYMATTR InstName U3
SYMBOL cap 1120 400 R0
SYMATTR InstName C6
SYMATTR Value 100n
SYMBOL cap 672 240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 470n
SYMBOL res 800 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL res 848 -80 R0
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res 848 416 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL cap 768 432 R0
SYMATTR InstName C8
SYMATTR Value 100n
SYMBOL res 1008 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 21.5k
SYMBOL Comparators\\LTC1440 1632 192 R0
SYMATTR InstName U4
SYMBOL schottky 1232 0 R0
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1376 -192 R0
SYMATTR InstName R10
SYMATTR Value 1Meg
SYMBOL res 1376 -32 R0
SYMATTR InstName R11
SYMATTR Value 820k
SYMBOL res 1376 320 R0
SYMATTR InstName R12
SYMATTR Value 180k
SYMBOL cap 1216 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 470n
SYMBOL res 1456 144 R0
SYMATTR InstName R13
SYMATTR Value 100k
SYMBOL cap 1376 528 R0
SYMATTR InstName C10
SYMATTR Value 10n
SYMBOL res 1824 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 1k
SYMBOL res 1856 464 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R15
SYMATTR Value 1k
SYMBOL cap 1312 528 R0
SYMATTR InstName C11
SYMATTR Value 100n
TEXT 376 760 Left 2 !.tran 0 250us 0ns 1us