Version 4
SHEET 1 1464 1608
WIRE 992 -1056 272 -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 48 -848 -80 -848
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 -80 -768 -80 -848
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 -80 -656 -80 -688
WIRE 992 -656 992 -688
WIRE 528 -624 272 -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 -432 192 -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 672 -368 672 -496
WIRE 816 -368 816 -432
WIRE 816 -368 672 -368
WIRE 48 -352 48 -848
WIRE 128 -352 48 -352
WIRE 640 -352 128 -352
WIRE 192 -336 192 -432
WIRE 192 -336 80 -336
WIRE 672 -336 672 -368
WIRE 128 -304 128 -352
WIRE 80 -288 80 -336
WIRE 96 -288 80 -288
WIRE -160 -272 -160 -384
WIRE 192 -272 192 -336
WIRE 192 -272 160 -272
WIRE 96 -256 16 -256
WIRE 496 -256 384 -256
WIRE 592 -256 576 -256
WIRE 688 -256 592 -256
WIRE 784 -256 768 -256
WIRE 48 -192 48 -352
WIRE 128 -192 48 -192
WIRE 640 -192 640 -352
WIRE -160 -176 -160 -192
WIRE 16 -176 16 -256
WIRE 16 -176 -160 -176
WIRE 592 -176 592 -256
WIRE 608 -176 592 -176
WIRE 784 -160 784 -256
WIRE 784 -160 672 -160
WIRE 1008 -160 784 -160
WIRE 1024 -160 1008 -160
WIRE -160 -144 -160 -176
WIRE 192 -144 64 -144
WIRE 608 -144 592 -144
WIRE 128 -112 128 -192
WIRE 64 -96 64 -144
WIRE 96 -96 64 -96
WIRE 192 -80 192 -144
WIRE 192 -80 160 -80
WIRE 272 -80 272 -624
WIRE 272 -80 192 -80
WIRE 496 -80 272 -80
WIRE 96 -64 32 -64
WIRE 496 -64 496 -80
WIRE 592 -64 592 -144
WIRE 592 -64 576 -64
WIRE 688 -64 592 -64
WIRE 784 -64 768 -64
WIRE -160 -48 -160 -64
WIRE 32 -48 32 -64
WIRE 32 -48 -160 -48
WIRE -160 -32 -160 -48
WIRE 640 0 640 -128
WIRE 784 0 784 -64
WIRE 784 0 640 0
WIRE 48 16 48 -192
WIRE 128 16 48 16
WIRE 640 32 640 0
WIRE 192 64 80 64
WIRE -160 80 -160 48
WIRE 32 80 -160 80
WIRE 128 96 128 16
WIRE -160 112 -160 80
WIRE 80 112 80 64
WIRE 96 112 80 112
WIRE 192 128 192 64
WIRE 192 128 160 128
WIRE 384 128 384 -256
WIRE 384 128 192 128
WIRE 496 128 384 128
WIRE 512 128 496 128
WIRE 32 144 32 80
WIRE 96 144 32 144
WIRE -160 256 -160 192
FLAG -160 256 0
FLAG 512 208 0
FLAG 496 128 v1
FLAG 640 32 0
FLAG 1024 -80 0
FLAG 1008 -160 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 -80 -656 0
FLAG 128 -240 0
FLAG 128 -48 0
FLAG 128 160 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 1008 -176 R0
SYMATTR InstName R6
SYMATTR Value 1Meg
SYMBOL res 784 -272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 40k
SYMBOL res 784 -80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 40k
SYMBOL res 592 -80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 40k
SYMBOL res 592 -272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 40k
SYMBOL Opamps\\UniversalOpamp2 640 -160 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 -80 -784 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 12.8
SYMBOL Opamps\\UniversalOpamp2 128 128 R0
SYMATTR InstName U2
SYMBOL Opamps\\UniversalOpamp2 128 -80 R0
SYMATTR InstName U5
SYMBOL Opamps\\UniversalOpamp2 128 -272 R0
SYMATTR InstName U6
TEXT -194 360 Left 2 !.tran 1