Version 4
SHEET 1 1420 968
WIRE 784 592 672 592
WIRE 896 592 784 592
WIRE 992 592 976 592
WIRE 1008 592 992 592
WIRE 1120 592 1088 592
WIRE 784 640 784 592
WIRE 320 704 320 672
WIRE 416 704 416 672
WIRE 672 720 672 592
WIRE 1040 720 1040 704
WIRE 992 736 992 592
WIRE 1008 736 992 736
WIRE 1120 752 1120 592
WIRE 1120 752 1072 752
WIRE 1168 752 1120 752
WIRE 784 768 784 720
WIRE 896 768 784 768
WIRE 992 768 976 768
WIRE 1008 768 992 768
WIRE 1040 800 1040 784
WIRE 320 816 320 784
WIRE 416 816 416 784
WIRE 784 832 784 768
WIRE 992 832 992 768
WIRE 672 928 672 800
WIRE 784 928 784 912
WIRE 992 928 992 912
FLAG 784 928 0
FLAG 1168 752 OUT
FLAG 672 928 0
FLAG 416 816 0
FLAG 320 816 0
FLAG 320 672 5V
FLAG 416 672 -5V
FLAG 1040 704 5V
FLAG 1040 800 -5V
FLAG 992 928 0
SYMBOL res 1104 576 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 133k
SYMBOL res 992 576 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 500k
SYMBOL res 768 624 R0
SYMATTR InstName POTI
SYMATTR Value 2k
SYMBOL res 768 816 R0
SYMATTR InstName R_lim
SYMATTR Value 1k
SYMBOL res 992 752 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 500k
SYMBOL voltage 672 704 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage 320 688 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage 416 688 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value -5
SYMBOL Opamps\\LT6017 1040 752 R0
SYMATTR InstName U2
SYMBOL res 1008 928 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value 133k
TEXT 240 952 Left 2 !.tran 1