Version 4
SHEET 1 1020 788
WIRE -480 -128 -560 -128
WIRE -432 -128 -480 -128
WIRE -560 -96 -560 -128
WIRE 48 -64 0 -64
WIRE 96 -64 48 -64
WIRE 176 -16 160 -16
WIRE 272 -16 256 -16
WIRE 304 -16 272 -16
WIRE 448 -16 384 -16
WIRE -560 16 -560 -16
WIRE -560 16 -640 16
WIRE -256 32 -336 32
WIRE -176 32 -256 32
WIRE -64 32 -96 32
WIRE 0 32 -64 32
WIRE 96 32 96 -64
WIRE 96 32 80 32
WIRE 160 32 160 -16
WIRE -560 48 -560 16
WIRE 336 64 320 64
WIRE 368 64 336 64
WIRE -640 80 -640 16
WIRE -336 80 -336 32
WIRE -32 80 -48 80
WIRE 0 80 -32 80
WIRE 368 80 368 64
WIRE -224 96 -272 96
WIRE -192 96 -224 96
WIRE 0 96 0 80
WIRE 272 96 272 -16
WIRE 336 96 272 96
WIRE -64 112 -64 32
WIRE -32 112 -64 112
WIRE 448 112 448 -16
WIRE 448 112 400 112
WIRE 528 112 448 112
WIRE 576 112 528 112
WIRE 96 128 96 32
WIRE 96 128 32 128
WIRE 128 128 96 128
WIRE 336 128 208 128
WIRE -272 144 -272 96
WIRE -224 144 -272 144
WIRE -112 144 -144 144
WIRE -32 144 -112 144
WIRE -112 176 -112 144
WIRE 336 176 320 176
WIRE 368 176 368 144
WIRE 368 176 336 176
WIRE -560 192 -560 128
WIRE -496 192 -560 192
WIRE -448 192 -496 192
WIRE -272 192 -272 144
WIRE -32 192 -48 192
WIRE 0 192 0 160
WIRE 0 192 -32 192
WIRE 560 272 496 272
WIRE 704 272 560 272
WIRE 912 272 784 272
WIRE 992 272 912 272
WIRE 224 304 176 304
WIRE 304 304 224 304
WIRE -336 320 -336 160
WIRE -272 320 -272 272
WIRE -272 320 -336 320
WIRE -112 320 -112 256
WIRE -112 320 -272 320
WIRE -272 368 -272 320
WIRE -80 384 -128 384
WIRE 0 384 -80 384
WIRE 144 384 80 384
WIRE 192 384 144 384
WIRE 304 384 304 304
WIRE 304 384 272 384
WIRE 480 416 448 416
WIRE 608 416 560 416
WIRE 224 464 192 464
WIRE 256 464 224 464
WIRE 192 480 192 464
WIRE 544 480 512 480
WIRE 576 480 544 480
WIRE -320 496 -400 496
WIRE -224 496 -320 496
WIRE -96 496 -144 496
WIRE 144 496 144 384
WIRE 144 496 -16 496
WIRE 160 496 144 496
WIRE 512 496 512 480
WIRE 304 512 304 384
WIRE 304 512 224 512
WIRE 352 512 304 512
WIRE 448 512 448 416
WIRE 448 512 432 512
WIRE 480 512 448 512
WIRE 160 528 96 528
WIRE 608 528 608 416
WIRE 608 528 544 528
WIRE 800 528 608 528
WIRE 832 528 800 528
WIRE 480 544 448 544
WIRE 96 576 96 528
WIRE 192 592 192 544
WIRE 224 592 192 592
WIRE 256 592 224 592
WIRE 448 592 448 544
WIRE 512 592 512 560
WIRE 544 592 512 592
WIRE 576 592 544 592
WIRE 96 704 96 656
WIRE 448 704 448 672
WIRE 448 704 96 704
WIRE 96 736 96 704
FLAG -272 368 0
FLAG -640 80 0
FLAG -480 -128 VCC
FLAG -496 192 VEE
FLAG -32 80 VCC
FLAG -32 192 VEE
FLAG 160 32 0
FLAG 336 64 VCC
FLAG 336 176 VEE
FLAG 528 112 TO_PLANT
FLAG -256 32 VREF25
FLAG -224 96 VDAC
FLAG 48 -64 DSHIFT
FLAG -320 496 FROM_PLANT
FLAG 560 272 TO_PLANT
FLAG 912 272 FROM_PLANT
FLAG 224 464 VCC
FLAG 224 592 VEE
FLAG 224 304 USHIFT
FLAG 96 736 0
FLAG 544 480 VCC
FLAG 544 592 VEE
FLAG 800 528 TO_ADC
FLAG -80 384 VREF25
SYMBOL Opamps\\LT1022A 0 64 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT1022A 368 48 R0
SYMATTR InstName U2
SYMBOL res -240 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res -128 160 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -16 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res -192 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 112 144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 160 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 12.4k
SYMBOL res 288 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 47k
SYMBOL voltage -336 64 R0
WINDOW 0 -62 8 Left 2
WINDOW 3 -68 40 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 2.5
SYMBOL voltage -272 176 R0
WINDOW 3 -181 107 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 1 5 2 0)
SYMBOL voltage -560 -112 R0
WINDOW 0 43 41 Left 2
WINDOW 3 43 71 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 15
SYMBOL voltage -560 32 R0
WINDOW 0 40 37 Left 2
WINDOW 3 40 65 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 15
SYMBOL Opamps\\LT1022A 192 448 R0
SYMATTR InstName U3
SYMBOL Opamps\\LT1022A 512 464 R0
SYMATTR InstName U4
SYMBOL res -240 512 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 47k
SYMBOL res 688 288 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value 100m
SYMBOL res 176 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R12
SYMATTR Value 12.4k
SYMBOL res 80 560 R0
SYMATTR InstName R9
SYMATTR Value 5.1k
SYMBOL res 336 528 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R13
SYMATTR Value 10k
SYMBOL res 464 432 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R14
SYMATTR Value 10k
SYMBOL res 432 576 R0
SYMATTR InstName R15
SYMATTR Value 5.1k
SYMBOL res -112 512 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R11
SYMATTR Value 12.4k
SYMBOL res -16 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R16
SYMATTR Value 12.4k
TEXT -312 -152 Left 2 !.tran 0 3 0 10m