Version 4
SHEET 1 1824 680
WIRE 304 -80 304 -96
WIRE 304 -64 304 -80
WIRE 144 32 32 32
WIRE 368 32 224 32
WIRE 112 96 112 80
WIRE 272 96 272 80
WIRE 112 112 112 96
WIRE 272 112 272 96
WIRE 304 112 304 16
WIRE -80 128 -128 128
WIRE 32 128 32 32
WIRE 32 128 0 128
WIRE 80 128 32 128
WIRE -128 144 -128 128
WIRE 256 144 144 144
WIRE 368 144 368 32
WIRE 368 144 320 144
WIRE 400 144 368 144
WIRE 528 144 480 144
WIRE 624 144 528 144
WIRE 704 144 624 144
WIRE 80 160 32 160
WIRE 112 192 112 176
WIRE 704 192 704 144
WIRE 112 208 112 192
WIRE 288 208 288 176
WIRE -80 272 -144 272
WIRE 32 272 32 160
WIRE 32 272 0 272
WIRE 176 272 32 272
WIRE 528 272 528 144
WIRE 528 272 256 272
WIRE 432 320 432 304
WIRE 592 320 592 304
WIRE 432 336 432 320
WIRE 592 336 592 320
FLAG -144 352 0
FLAG 432 416 0
FLAG 592 416 0
FLAG 432 320 +Ub
FLAG 112 96 +Ub
FLAG 272 96 +Ub
FLAG 288 208 -Ub
FLAG 112 192 -Ub
FLAG 592 320 -Ub
FLAG -128 144 0
FLAG 304 -80 +Ub
FLAG 704 272 0
FLAG 624 144 Uout
SYMBOL Opamps\\LT1010 288 80 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT1012 112 80 R0
SYMATTR InstName U2
SYMBOL res 16 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res 16 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res 240 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL res 272 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 100k
SYMBOL res 384 128 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 40.2
SYMBOL voltage 432 320 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL voltage 592 432 R180
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 10
SYMBOL res 288 -80 R0
SYMATTR InstName R7
SYMATTR Value 50
SYMBOL voltage -144 256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 2
SYMBOL res 688 176 R0
SYMATTR InstName R6
SYMATTR Value ""