Version 4
SHEET 1 2008 1116
WIRE 1152 -1184 -1920 -1184
WIRE 400 -800 304 -800
WIRE 736 -800 480 -800
WIRE -944 -768 -944 -800
WIRE -1504 -672 -1696 -672
WIRE -1360 -672 -1424 -672
WIRE -1296 -672 -1360 -672
WIRE -1136 -672 -1216 -672
WIRE -480 -672 -640 -672
WIRE -80 -672 -480 -672
WIRE -944 -656 -944 -688
WIRE -880 -656 -944 -656
WIRE -736 -656 -800 -656
WIRE 304 -656 304 -800
WIRE 432 -656 304 -656
WIRE 592 -656 496 -656
WIRE -640 -640 -640 -672
WIRE -736 -624 -736 -656
WIRE -688 -624 -736 -624
WIRE -80 -624 -80 -672
WIRE 80 -624 -80 -624
WIRE 736 -624 736 -800
WIRE 848 -624 736 -624
WIRE 976 -624 928 -624
WIRE 1008 -624 976 -624
WIRE 1152 -624 1152 -1184
WIRE 1152 -624 1088 -624
WIRE 80 -560 80 -624
WIRE 160 -560 80 -560
WIRE 304 -560 304 -656
WIRE 304 -560 240 -560
WIRE 384 -560 304 -560
WIRE -944 -544 -944 -656
WIRE -880 -544 -944 -544
WIRE -80 -544 -80 -624
WIRE 592 -544 592 -656
WIRE 592 -544 544 -544
WIRE 640 -544 592 -544
WIRE 736 -544 736 -624
WIRE 736 -544 720 -544
WIRE -1360 -528 -1360 -672
WIRE -1264 -528 -1360 -528
WIRE -736 -528 -736 -624
WIRE -736 -528 -816 -528
WIRE 384 -528 352 -528
WIRE 976 -528 976 -624
WIRE 1008 -528 976 -528
WIRE -1136 -512 -1136 -672
WIRE -1136 -512 -1200 -512
WIRE -1104 -512 -1136 -512
WIRE -976 -512 -1024 -512
WIRE -880 -512 -976 -512
WIRE 1152 -512 1152 -624
WIRE 1152 -512 1072 -512
WIRE -1264 -496 -1312 -496
WIRE 352 -496 352 -528
WIRE 384 -496 352 -496
WIRE 1008 -496 976 -496
WIRE -1440 -480 -1488 -480
WIRE -1312 -480 -1312 -496
WIRE -1312 -480 -1360 -480
WIRE -976 -480 -976 -512
WIRE 592 -480 544 -480
WIRE 640 -480 592 -480
WIRE 736 -480 720 -480
WIRE -1232 -464 -1232 -480
WIRE 160 -464 80 -464
WIRE 304 -464 240 -464
WIRE 384 -464 304 -464
WIRE -1488 -432 -1488 -480
WIRE 736 -400 736 -480
WIRE 848 -400 736 -400
WIRE 976 -400 976 -496
WIRE 976 -400 928 -400
WIRE 1008 -400 976 -400
WIRE -976 -384 -976 -416
WIRE -80 -384 -80 -464
WIRE -80 -384 -96 -384
WIRE 80 -384 80 -464
WIRE 80 -384 -80 -384
WIRE -1312 -368 -1312 -480
WIRE -1280 -368 -1312 -368
WIRE 304 -368 304 -464
WIRE 432 -368 304 -368
WIRE 592 -368 592 -480
WIRE 592 -368 496 -368
WIRE -1488 -320 -1488 -352
WIRE -1696 -256 -1696 -672
WIRE -1376 -256 -1696 -256
WIRE 1744 -256 832 -256
WIRE 1952 -256 1744 -256
WIRE 304 -240 304 -368
WIRE 384 -240 304 -240
WIRE 736 -240 736 -400
WIRE 736 -240 464 -240
WIRE 1952 -240 1952 -256
WIRE -1696 -208 -1696 -256
WIRE -1376 -208 -1376 -256
WIRE -1168 -208 -1376 -208
WIRE 832 -192 832 -256
WIRE 832 -192 688 -192
WIRE 1200 -192 1152 -192
WIRE 1360 -192 1264 -192
WIRE 1744 -192 1744 -256
WIRE 1744 -192 1600 -192
WIRE 1952 -128 1952 -160
WIRE 640 -112 560 -112
WIRE 1152 -112 1152 -192
WIRE 1152 -112 1104 -112
WIRE 1264 -112 1152 -112
WIRE 1552 -112 1472 -112
WIRE 832 -96 832 -192
WIRE 1360 -96 1360 -192
WIRE 1360 -96 1328 -96
WIRE 1376 -96 1360 -96
WIRE 1472 -96 1472 -112
WIRE 1472 -96 1456 -96
WIRE 1744 -96 1744 -192
WIRE 1264 -80 1216 -80
WIRE 64 -48 16 -48
WIRE 224 -48 128 -48
WIRE 688 -48 688 -96
WIRE 768 -48 688 -48
WIRE 1600 -48 1600 -96
WIRE 1680 -48 1600 -48
WIRE 1296 -16 1296 -64
WIRE -912 0 -928 0
WIRE -688 0 -848 0
WIRE 16 32 16 -48
WIRE 128 32 16 32
WIRE 224 48 224 -48
WIRE 224 48 192 48
WIRE 240 48 224 48
WIRE 560 48 560 -112
WIRE 560 48 320 48
WIRE 1744 48 1744 0
WIRE 1744 48 1584 48
WIRE -2384 64 -1920 -1184
WIRE -2352 64 -2384 64
WIRE -2256 64 -2272 64
WIRE -2064 64 -2256 64
WIRE 128 64 80 64
WIRE -1840 80 -2000 80
WIRE -1792 80 -1840 80
WIRE -1680 80 -1712 80
WIRE -1520 80 -1616 80
WIRE -1376 80 -1376 -208
WIRE -1376 80 -1520 80
WIRE 832 80 832 0
WIRE 832 80 656 80
WIRE -2064 96 -2112 96
WIRE -928 96 -928 0
WIRE -912 96 -928 96
WIRE -800 96 -848 96
WIRE -688 96 -688 0
WIRE -688 96 -720 96
WIRE -688 112 -688 96
WIRE -672 112 -688 112
WIRE -576 112 -592 112
WIRE -528 112 -576 112
WIRE -416 112 -448 112
WIRE 832 112 832 80
WIRE 1744 112 1744 48
WIRE -416 128 -416 112
WIRE 160 128 160 80
WIRE -576 144 -576 112
WIRE 1104 160 1104 -112
WIRE 1344 160 1104 160
WIRE 1584 160 1584 48
WIRE 1584 160 1424 160
WIRE 1584 176 1584 160
WIRE -2544 192 -2624 192
WIRE -2112 192 -2112 96
WIRE -2048 192 -2112 192
WIRE -1840 192 -1840 80
WIRE -1840 192 -1984 192
WIRE 80 192 80 64
WIRE 336 192 80 192
WIRE 448 192 336 192
WIRE 736 192 448 192
WIRE -2464 208 -2464 192
WIRE -2432 208 -2464 208
WIRE -2336 208 -2432 208
WIRE -2240 208 -2336 208
WIRE -2112 208 -2112 192
WIRE -2112 208 -2160 208
WIRE -928 208 -928 96
WIRE -912 208 -928 208
WIRE -800 208 -848 208
WIRE -688 208 -688 112
WIRE -688 208 -720 208
WIRE 336 208 336 192
WIRE 448 208 448 192
WIRE 1744 224 1744 192
WIRE -2624 240 -2624 192
WIRE -576 240 -576 208
WIRE 832 256 832 192
WIRE -2112 272 -2112 208
WIRE -2048 272 -2112 272
WIRE -1952 272 -1984 272
WIRE -1840 272 -1840 192
WIRE -1840 272 -1872 272
WIRE -2256 304 -2256 64
WIRE -1840 304 -1840 272
WIRE 336 304 336 288
WIRE 448 320 448 288
WIRE 1392 320 1312 320
WIRE 1600 320 1472 320
WIRE 736 336 736 192
WIRE 1216 336 1216 -80
WIRE 1216 336 736 336
WIRE -480 352 -608 352
WIRE -272 352 -400 352
WIRE -688 368 -688 208
WIRE -688 368 -816 368
WIRE -1168 384 -1168 -208
WIRE -1136 384 -1168 384
WIRE -1024 384 -1072 384
WIRE -928 384 -928 208
WIRE -928 384 -944 384
WIRE -880 384 -928 384
WIRE -928 400 -928 384
WIRE -672 400 -816 400
WIRE -608 400 -608 352
WIRE -608 400 -672 400
WIRE -2256 432 -2256 384
WIRE -2016 432 -2112 432
WIRE -1840 432 -1840 384
WIRE -1840 432 -1952 432
WIRE 448 432 448 400
WIRE -608 464 -608 400
WIRE 16 480 16 32
WIRE 176 480 16 480
WIRE 656 480 656 80
WIRE 656 480 256 480
WIRE 1168 480 848 480
WIRE 1312 480 1312 320
WIRE 1312 480 1248 480
WIRE 1392 480 1312 480
WIRE -928 496 -928 480
WIRE -864 496 -928 496
WIRE -704 496 -784 496
WIRE 1600 496 1600 320
WIRE 1600 496 1552 496
WIRE -2112 512 -2112 432
WIRE -2016 512 -2112 512
WIRE -1840 512 -1840 432
WIRE -1840 512 -1936 512
WIRE 1392 512 1360 512
WIRE 1360 544 1360 512
WIRE 1392 544 1360 544
WIRE 1600 560 1552 560
WIRE -928 576 -928 496
WIRE -864 576 -928 576
WIRE -704 576 -704 496
WIRE -704 576 -800 576
WIRE -80 576 -80 -384
WIRE 544 576 -80 576
WIRE 848 576 848 480
WIRE 848 576 544 576
WIRE 1312 576 1248 576
WIRE 1392 576 1312 576
WIRE -608 592 -608 544
WIRE -1840 608 -1840 512
WIRE -1840 608 -1952 608
WIRE -2256 624 -2256 496
WIRE -2112 624 -2112 512
WIRE -2112 624 -2256 624
WIRE -2016 624 -2112 624
WIRE 848 624 848 576
WIRE -1520 640 -1520 80
WIRE -1520 640 -1952 640
WIRE -928 656 -928 576
WIRE -864 656 -928 656
WIRE -704 672 -704 576
WIRE -704 672 -800 672
WIRE -608 672 -608 656
WIRE -608 672 -704 672
WIRE -1168 688 -1168 384
WIRE -864 688 -1168 688
WIRE 768 736 768 704
WIRE 1312 736 1312 576
WIRE 1408 736 1312 736
WIRE 1600 736 1600 560
WIRE 1600 736 1488 736
WIRE 768 848 768 816
WIRE 848 848 768 848
WIRE 976 848 928 848
WIRE 768 976 768 848
WIRE 848 976 768 976
WIRE 976 992 976 848
WIRE 976 992 912 992
WIRE 544 1008 544 576
WIRE 624 1008 544 1008
WIRE 848 1008 704 1008
WIRE -272 1104 -272 352
WIRE 976 1104 976 992
WIRE 976 1104 -272 1104
FLAG 160 128 0
FLAG 448 432 0
FLAG 832 256 0
FLAG 848 704 0
FLAG 1168 576 0
FLAG 1424 608 0
FLAG 1424 448 +5
FLAG 768 704 0
FLAG 880 960 +5
FLAG 416 -592 0
FLAG 416 -432 +5
FLAG 1088 -400 0
FLAG 1040 -544 +5
FLAG 1040 -480 -5
FLAG 880 1024 -5
FLAG -1488 -320 0
FLAG -944 -800 0
FLAG -848 -496 0
FLAG -1264 -960 0
FLAG -880 -944 0
FLAG -848 -560 +50
FLAG -880 -1024 +50
FLAG -1232 -544 +12
FLAG -1264 -1040 +12
FLAG -1200 -368 0
FLAG -416 208 0
FLAG -1488 -960 0
FLAG -1488 -1040 +5
FLAG -848 352 +5
FLAG -832 640 +5
FLAG -2032 112 +5
FLAG -1632 -1040 0
FLAG -1632 -960 -5
FLAG -2032 48 -5
FLAG -848 416 -5
FLAG -832 704 -5
FLAG 160 16 +12
FLAG -2624 320 0
FLAG -672 464 0
FLAG -1696 -128 0
FLAG -976 -384 0
FLAG -688 -576 0
FLAG -640 -560 0
FLAG -2336 272 0
FLAG -576 240 0
FLAG -1984 592 +5
FLAG -1984 656 -5
FLAG 1952 -128 0
FLAG 1744 224 0
FLAG 1296 -16 0
FLAG 1296 -128 +12
FLAG 336 304 0
FLAG -480 -592 0
FLAG 448 112 -5
FLAG -2432 128 -5
FLAG -576 32 -5
FLAG -1232 -464 -5
SYMBOL Opamps\\UniversalOpamp2 160 48 R0
SYMATTR InstName U1
SYMBOL npn 768 -96 R0
SYMATTR InstName Q1
SYMATTR Value 2N3055
SYMBOL res 336 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL voltage 448 304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 2.5
SYMBOL nmos 640 -192 R0
SYMATTR InstName M1
SYMATTR Value AO6408
SYMBOL npn 1680 -96 R0
SYMATTR InstName Q2
SYMATTR Value 2N3055
SYMBOL nmos 1552 -192 R0
SYMATTR InstName M2
SYMATTR Value AO6408
SYMBOL res 816 96 R0
SYMATTR InstName R3
SYMATTR Value 10m
SYMBOL res 1728 96 R0
SYMATTR InstName R4
SYMATTR Value 10m
SYMBOL res 272 464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL cap 128 -64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL Opamps\\LTC1992 1456 528 R0
SYMATTR InstName U2
SYMBOL res 832 608 R0
SYMATTR InstName R6
SYMATTR Value 5m
SYMBOL res 1264 560 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res 1264 464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL res 1488 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 20k
SYMBOL res 1504 720 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 20k
SYMBOL Opamps\\UniversalOpamp2 880 992 R0
SYMATTR InstName U3
SYMBOL res 720 992 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 100
SYMBOL res 944 832 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL res 784 832 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R13
SYMATTR Value 470
SYMBOL Opamps\\LTC1992 448 -512 M180
SYMATTR InstName U4
SYMBOL res 256 -544 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R14
SYMATTR Value 15k
SYMBOL res 256 -448 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R15
SYMATTR Value 15k
SYMBOL res 480 -224 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R16
SYMATTR Value 910
SYMBOL res 496 -784 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R17
SYMATTR Value 910
SYMBOL cap 496 -640 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL cap 496 -352 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL res 736 -528 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R18
SYMATTR Value 100
SYMBOL res 736 -464 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R19
SYMATTR Value 100
SYMBOL Opamps\\UniversalOpamp2 1040 -512 R0
SYMATTR InstName U5
SYMBOL res 944 -640 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R20
SYMATTR Value 10k
SYMBOL res 944 -416 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 10k
SYMBOL res 1104 -640 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 10k
SYMBOL res 1104 -416 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R23
SYMATTR Value 10k
SYMBOL Opamps\\UniversalOpamp2 -848 -528 R0
SYMATTR InstName U6
SYMATTR Value2 Avol=10Meg GBW=10Meg Slew=100Meg
SYMATTR SpiceLine ilimit=2 rail=0 Vos=0 phimargin=45
SYMBOL res -784 -672 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R24
SYMATTR Value 250k
SYMBOL res -928 -672 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R25
SYMATTR Value 20k
SYMBOL Opamps\\UniversalOpamp2 -1232 -512 R0
SYMATTR InstName U7
SYMBOL voltage -1488 -448 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value 4
SYMBOL res -1200 -688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R26
SYMATTR Value 10k
SYMBOL res -1408 -688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R27
SYMATTR Value 10k
SYMBOL voltage -1264 -1056 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V7
SYMATTR Value 12
SYMBOL voltage -880 -1040 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V8
SYMATTR Value 50
SYMBOL res -1344 -496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R28
SYMATTR Value 10k
SYMBOL res -1184 -384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R29
SYMATTR Value 10k
SYMBOL Opamps\\UniversalOpamp2 -832 672 R0
SYMATTR InstName U8
SYMBOL Opamps\\UniversalOpamp2 -2032 80 M180
SYMATTR InstName U9
SYMBOL Opamps\\UniversalOpamp2 -848 384 M0
SYMATTR InstName U11
SYMBOL res -2144 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R31
SYMATTR Value 10k
SYMBOL cap -1984 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL cap -1984 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL res -1856 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R32
SYMATTR Value 47k
SYMBOL res -928 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R34
SYMATTR Value 100
SYMBOL diode -1072 400 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL res -944 384 R0
SYMATTR InstName R35
SYMATTR Value 10k
SYMBOL cap -800 560 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 1n
SYMBOL res -768 480 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R36
SYMATTR Value 1Meg
SYMBOL diode -592 656 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL res -624 448 R0
SYMATTR InstName R37
SYMATTR Value 1k
SYMBOL cap -848 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 47n
SYMBOL res -704 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R38
SYMATTR Value 470k
SYMBOL cap -848 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 10p
SYMBOL diode -1680 96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL res -384 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R39
SYMATTR Value 10k
SYMBOL res -576 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R40
SYMATTR Value 10k
SYMBOL voltage -416 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V9
SYMATTR Value 0
SYMBOL voltage -1488 -1056 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V10
SYMATTR Value 5
SYMBOL voltage -1632 -1056 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V11
SYMATTR Value 5
SYMBOL res -96 -560 R0
SYMATTR InstName RL
SYMATTR Value 1
SYMBOL voltage -2624 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PULSE(-0 2.5 50m 50m 0 100)
SYMBOL cap -688 400 R0
SYMATTR InstName C11
SYMATTR Value 1n
SYMBOL current -1696 -208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value PULSE(-10u 3m 1m 20m 0 100)
SYMBOL res -1008 -528 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R42
SYMATTR Value 10k
SYMBOL cap -992 -480 R0
SYMATTR InstName C12
SYMATTR Value 4µ
SYMBOL e -640 -656 R0
SYMATTR InstName E1
SYMATTR Value 1
SYMBOL cap -848 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C13
SYMATTR Value 1n
SYMBOL res -704 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R43
SYMATTR Value 20k
SYMBOL res -432 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R44
SYMATTR Value 10k
SYMBOL cap -2352 208 R0
SYMATTR InstName C6
SYMATTR Value 1µ
SYMBOL res -2448 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R30
SYMATTR Value 10k
SYMBOL cap -592 144 R0
SYMATTR InstName C7
SYMATTR Value 1µ
SYMBOL res -1696 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R33
SYMATTR Value 100
SYMBOL Opamps\\UniversalOpamp2 -1984 624 M0
SYMATTR InstName U10
SYMBOL res -1856 288 R0
SYMATTR InstName R41
SYMATTR Value 10k
SYMBOL res -2256 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R45
SYMATTR Value 10k
SYMBOL diode -2240 496 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL res -2272 288 R0
SYMATTR InstName R46
SYMATTR Value 1k
SYMBOL res -1920 496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R47
SYMATTR Value 1Meg
SYMBOL cap -1952 416 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C14
SYMATTR Value 1n
SYMBOL voltage 1952 -256 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 20
SYMBOL Opamps\\UniversalOpamp2 1296 -96 R0
SYMATTR InstName U12
SYMBOL res 1472 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL cap 1264 -208 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C15
SYMATTR Value 10n
SYMBOL res 1440 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R48
SYMATTR Value 1k
SYMBOL res 320 192 R0
SYMATTR InstName R49
SYMATTR Value 470
SYMBOL res 432 192 R0
SYMATTR InstName R50
SYMATTR Value 10k
SYMBOL res -496 -688 R0
SYMATTR InstName R51
SYMATTR Value 10k
SYMBOL res 432 96 R0
SYMATTR InstName R52
SYMATTR Value 1Meg
SYMBOL res -2448 112 R0
SYMATTR InstName R53
SYMATTR Value 1Meg
SYMBOL res -592 16 R0
SYMATTR InstName R54
SYMATTR Value 1Meg
TEXT -112 408 Left 2 !.tran 0 1 10m startup