Version 4
SHEET 1 1464 1608
WIRE 976 -2480 256 -2480
WIRE 832 -2368 432 -2368
WIRE 928 -2368 912 -2368
WIRE 1024 -2368 928 -2368
WIRE 1120 -2368 1104 -2368
WIRE 976 -2304 976 -2480
WIRE 928 -2288 928 -2368
WIRE 944 -2288 928 -2288
WIRE 32 -2272 -96 -2272
WIRE 256 -2272 256 -2480
WIRE 256 -2272 32 -2272
WIRE 656 -2272 256 -2272
WIRE 1120 -2272 1120 -2368
WIRE 1120 -2272 1008 -2272
WIRE 1344 -2272 1120 -2272
WIRE 1360 -2272 1344 -2272
WIRE 944 -2256 928 -2256
WIRE -96 -2192 -96 -2272
WIRE 832 -2176 112 -2176
WIRE 928 -2176 928 -2256
WIRE 928 -2176 912 -2176
WIRE 1024 -2176 928 -2176
WIRE 1120 -2176 1104 -2176
WIRE 976 -2112 976 -2240
WIRE 1120 -2112 1120 -2176
WIRE 1120 -2112 976 -2112
WIRE -96 -2080 -96 -2112
WIRE 976 -2080 976 -2112
WIRE 512 -2048 176 -2048
WIRE 608 -2048 592 -2048
WIRE 704 -2048 608 -2048
WIRE 800 -2048 784 -2048
WIRE 656 -1984 656 -2272
WIRE 608 -1968 608 -2048
WIRE 624 -1968 608 -1968
WIRE 800 -1952 800 -2048
WIRE 800 -1952 688 -1952
WIRE 1024 -1952 800 -1952
WIRE 1040 -1952 1024 -1952
WIRE 624 -1936 608 -1936
WIRE 432 -1856 432 -2368
WIRE 432 -1856 224 -1856
WIRE 512 -1856 432 -1856
WIRE 608 -1856 608 -1936
WIRE 608 -1856 592 -1856
WIRE 704 -1856 608 -1856
WIRE 800 -1856 784 -1856
WIRE 112 -1808 112 -2176
WIRE 112 -1808 -176 -1808
WIRE 656 -1792 656 -1920
WIRE 800 -1792 800 -1856
WIRE 800 -1792 656 -1792
WIRE 656 -1760 656 -1792
WIRE 32 -1744 32 -2272
WIRE 112 -1744 32 -1744
WIRE 384 -1744 112 -1744
WIRE 576 -1744 384 -1744
WIRE -176 -1696 -176 -1808
WIRE 240 -1696 -64 -1696
WIRE 336 -1696 320 -1696
WIRE 432 -1696 336 -1696
WIRE 528 -1696 512 -1696
WIRE 384 -1632 384 -1744
WIRE 336 -1616 336 -1696
WIRE 352 -1616 336 -1616
WIRE 528 -1600 528 -1696
WIRE 528 -1600 416 -1600
WIRE 752 -1600 528 -1600
WIRE 768 -1600 752 -1600
WIRE -176 -1584 -176 -1616
WIRE 224 -1584 224 -1856
WIRE 224 -1584 -176 -1584
WIRE 352 -1584 336 -1584
WIRE -176 -1568 -176 -1584
WIRE 176 -1504 176 -2048
WIRE 240 -1504 176 -1504
WIRE 336 -1504 336 -1584
WIRE 336 -1504 320 -1504
WIRE 432 -1504 336 -1504
WIRE 528 -1504 512 -1504
WIRE -176 -1472 -176 -1488
WIRE 176 -1472 176 -1504
WIRE 176 -1472 -176 -1472
WIRE -176 -1456 -176 -1472
WIRE 384 -1440 384 -1568
WIRE 528 -1440 528 -1504
WIRE 528 -1440 384 -1440
WIRE 384 -1408 384 -1440
WIRE -32 -1392 -96 -1392
WIRE 64 -1392 48 -1392
WIRE 160 -1392 64 -1392
WIRE 256 -1392 240 -1392
WIRE -176 -1344 -176 -1376
WIRE -64 -1344 -64 -1696
WIRE -64 -1344 -176 -1344
WIRE 112 -1328 112 -1744
WIRE -176 -1312 -176 -1344
WIRE 64 -1312 64 -1392
WIRE 80 -1312 64 -1312
WIRE 256 -1296 256 -1392
WIRE 256 -1296 144 -1296
WIRE 480 -1296 256 -1296
WIRE 496 -1296 480 -1296
WIRE 80 -1280 64 -1280
WIRE -176 -1200 -176 -1232
WIRE -96 -1200 -96 -1392
WIRE -96 -1200 -176 -1200
WIRE -64 -1200 -64 -1344
WIRE -32 -1200 -64 -1200
WIRE 64 -1200 64 -1280
WIRE 64 -1200 48 -1200
WIRE 160 -1200 64 -1200
WIRE 256 -1200 240 -1200
WIRE 112 -1136 112 -1264
WIRE 256 -1136 256 -1200
WIRE 256 -1136 112 -1136
WIRE 112 -1104 112 -1136
WIRE 576 -1056 576 -1744
WIRE 576 -1056 272 -1056
WIRE 992 -1056 576 -1056
WIRE 848 -944 448 -944
WIRE 944 -944 928 -944
WIRE 1040 -944 944 -944
WIRE 1136 -944 1120 -944
WIRE 992 -880 992 -1056
WIRE 944 -864 944 -944
WIRE 960 -864 944 -864
WIRE 272 -848 272 -1056
WIRE 272 -848 48 -848
WIRE 672 -848 272 -848
WIRE 1136 -848 1136 -944
WIRE 1136 -848 1024 -848
WIRE 1360 -848 1136 -848
WIRE 1376 -848 1360 -848
WIRE 960 -832 944 -832
WIRE 848 -752 128 -752
WIRE 944 -752 944 -832
WIRE 944 -752 928 -752
WIRE 1040 -752 944 -752
WIRE 1136 -752 1120 -752
WIRE 992 -688 992 -816
WIRE 1136 -688 1136 -752
WIRE 1136 -688 992 -688
WIRE 992 -656 992 -688
WIRE 528 -624 192 -624
WIRE 624 -624 608 -624
WIRE 720 -624 624 -624
WIRE 816 -624 800 -624
WIRE 672 -560 672 -848
WIRE 624 -544 624 -624
WIRE 640 -544 624 -544
WIRE 816 -528 816 -624
WIRE 816 -528 704 -528
WIRE 1040 -528 816 -528
WIRE 1056 -528 1040 -528
WIRE 640 -512 624 -512
WIRE 448 -432 448 -944
WIRE 448 -432 240 -432
WIRE 528 -432 448 -432
WIRE 624 -432 624 -512
WIRE 624 -432 608 -432
WIRE 720 -432 624 -432
WIRE 816 -432 800 -432
WIRE 128 -384 128 -752
WIRE 128 -384 -160 -384
WIRE -176 -368 -176 -1200
WIRE -160 -368 -160 -384
WIRE -160 -368 -176 -368
WIRE 672 -368 672 -496
WIRE 816 -368 816 -432
WIRE 816 -368 672 -368
WIRE 672 -336 672 -368
WIRE 48 -320 48 -848
WIRE 128 -320 48 -320
WIRE 400 -320 128 -320
WIRE -160 -272 -160 -368
WIRE 256 -272 -48 -272
WIRE 352 -272 336 -272
WIRE 448 -272 352 -272
WIRE 544 -272 528 -272
WIRE 400 -208 400 -320
WIRE 352 -192 352 -272
WIRE 368 -192 352 -192
WIRE 544 -176 544 -272
WIRE 544 -176 432 -176
WIRE 768 -176 544 -176
WIRE 784 -176 768 -176
WIRE -160 -160 -160 -192
WIRE 240 -160 240 -432
WIRE 240 -160 -160 -160
WIRE 368 -160 352 -160
WIRE -160 -144 -160 -160
WIRE 192 -80 192 -624
WIRE 256 -80 192 -80
WIRE 352 -80 352 -160
WIRE 352 -80 336 -80
WIRE 448 -80 352 -80
WIRE 544 -80 528 -80
WIRE -160 -48 -160 -64
WIRE 192 -48 192 -80
WIRE 192 -48 -160 -48
WIRE -160 -32 -160 -48
WIRE 400 -16 400 -144
WIRE 544 -16 544 -80
WIRE 544 -16 400 -16
WIRE 400 16 400 -16
WIRE -16 32 -80 32
WIRE 80 32 64 32
WIRE 176 32 80 32
WIRE 272 32 256 32
WIRE -160 80 -160 48
WIRE -48 80 -48 -272
WIRE -48 80 -160 80
WIRE 128 96 128 -320
WIRE -160 112 -160 80
WIRE 80 112 80 32
WIRE 96 112 80 112
WIRE 272 128 272 32
WIRE 272 128 160 128
WIRE 496 128 272 128
WIRE 512 128 496 128
WIRE 96 144 80 144
WIRE -160 224 -160 192
WIRE -80 224 -80 32
WIRE -80 224 -160 224
WIRE -48 224 -48 80
WIRE -16 224 -48 224
WIRE 80 224 80 144
WIRE 80 224 64 224
WIRE 176 224 80 224
WIRE 272 224 256 224
WIRE -160 256 -160 224
WIRE 128 288 128 160
WIRE 272 288 272 224
WIRE 272 288 128 288
WIRE 128 320 128 288
FLAG -160 256 0
FLAG 128 320 0
FLAG 512 208 0
FLAG 496 128 v1
FLAG 400 16 0
FLAG 784 -96 0
FLAG 768 -176 v2
FLAG 672 -336 0
FLAG 1056 -448 0
FLAG 1040 -528 v3
FLAG 992 -656 0
FLAG 1376 -768 0
FLAG 1360 -848 v4
FLAG 112 -1104 0
FLAG 496 -1216 0
FLAG 480 -1296 v5
FLAG 384 -1408 0
FLAG 768 -1520 0
FLAG 752 -1600 v6
FLAG 656 -1760 0
FLAG 1040 -1872 0
FLAG 1024 -1952 v7
FLAG 976 -2080 0
FLAG 1360 -2192 0
FLAG 1344 -2272 v8
FLAG -96 -2080 0
SYMBOL voltage -160 96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 3.2
SYMBOL res 496 112 R0
SYMATTR InstName R1
SYMATTR Value 1Meg
SYMBOL voltage -160 -48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 3.2
SYMBOL voltage -160 -160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 3.2
SYMBOL voltage -160 -288 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 3.2
SYMBOL res 272 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 40k
SYMBOL res 272 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 40k
SYMBOL res 80 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 40k
SYMBOL res 80 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 40k
SYMBOL Opamps\\UniversalOpamp2 128 128 R0
SYMATTR InstName U2
SYMBOL res 768 -192 R0
SYMATTR InstName R6
SYMATTR Value 1Meg
SYMBOL res 544 -288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 40k
SYMBOL res 544 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 40k
SYMBOL res 352 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 40k
SYMBOL res 352 -288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 40k
SYMBOL Opamps\\UniversalOpamp2 400 -176 R0
SYMATTR InstName U1
SYMBOL res 1040 -544 R0
SYMATTR InstName R11
SYMATTR Value 1Meg
SYMBOL res 816 -640 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 40k
SYMBOL res 816 -448 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 40k
SYMBOL res 624 -448 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 40k
SYMBOL res 624 -640 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R15
SYMATTR Value 40k
SYMBOL Opamps\\UniversalOpamp2 672 -528 R0
SYMATTR InstName U3
SYMBOL res 1360 -864 R0
SYMATTR InstName R16
SYMATTR Value 1Meg
SYMBOL res 1136 -960 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R17
SYMATTR Value 40k
SYMBOL res 1136 -768 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R18
SYMATTR Value 40k
SYMBOL res 944 -768 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R19
SYMATTR Value 40k
SYMBOL res 944 -960 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R20
SYMATTR Value 40k
SYMBOL Opamps\\UniversalOpamp2 992 -848 R0
SYMATTR InstName U4
SYMBOL voltage -176 -1328 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 3.2
SYMBOL res 480 -1312 R0
SYMATTR InstName R21
SYMATTR Value 1Meg
SYMBOL voltage -176 -1472 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value 3.2
SYMBOL voltage -176 -1584 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V7
SYMATTR Value 3.2
SYMBOL voltage -176 -1712 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V8
SYMATTR Value 3.2
SYMBOL res 256 -1408 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 40k
SYMBOL res 256 -1216 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R23
SYMATTR Value 40k
SYMBOL res 64 -1216 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R24
SYMATTR Value 40k
SYMBOL res 64 -1408 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R25
SYMATTR Value 40k
SYMBOL Opamps\\UniversalOpamp2 112 -1296 R0
SYMATTR InstName U5
SYMBOL res 752 -1616 R0
SYMATTR InstName R26
SYMATTR Value 1Meg
SYMBOL res 528 -1712 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R27
SYMATTR Value 40k
SYMBOL res 528 -1520 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R28
SYMATTR Value 40k
SYMBOL res 336 -1520 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R29
SYMATTR Value 40k
SYMBOL res 336 -1712 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R30
SYMATTR Value 40k
SYMBOL Opamps\\UniversalOpamp2 384 -1600 R0
SYMATTR InstName U6
SYMBOL res 1024 -1968 R0
SYMATTR InstName R31
SYMATTR Value 1Meg
SYMBOL res 800 -2064 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R32
SYMATTR Value 40k
SYMBOL res 800 -1872 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R33
SYMATTR Value 40k
SYMBOL res 608 -1872 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R34
SYMATTR Value 40k
SYMBOL res 608 -2064 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R35
SYMATTR Value 40k
SYMBOL Opamps\\UniversalOpamp2 656 -1952 R0
SYMATTR InstName U7
SYMBOL res 1344 -2288 R0
SYMATTR InstName R36
SYMATTR Value 1Meg
SYMBOL res 1120 -2384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R37
SYMATTR Value 40k
SYMBOL res 1120 -2192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R38
SYMATTR Value 40k
SYMBOL res 928 -2192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R39
SYMATTR Value 40k
SYMBOL res 928 -2384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R40
SYMATTR Value 40k
SYMBOL Opamps\\UniversalOpamp2 976 -2272 R0
SYMATTR InstName U8
SYMBOL voltage -96 -2208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VS
SYMATTR Value 25.6
TEXT -194 360 Left 2 !.tran 1