Version 4
SHEET 1 1320 680
WIRE 880 32 832 32
WIRE 1024 32 960 32
WIRE 592 80 432 80
WIRE 784 80 672 80
WIRE 784 144 784 80
WIRE 832 144 832 32
WIRE 832 144 784 144
WIRE 896 144 832 144
WIRE 1024 160 1024 32
WIRE 1024 160 960 160
WIRE 896 176 832 176
WIRE 640 208 560 208
WIRE 784 208 784 144
WIRE 784 208 720 208
WIRE 432 224 432 80
WIRE 1024 240 1024 160
WIRE 560 272 560 208
WIRE 432 416 432 304
WIRE 560 416 560 352
WIRE 560 416 432 416
WIRE 832 416 832 176
WIRE 832 416 560 416
WIRE 1024 416 1024 320
WIRE 1024 416 832 416
WIRE 832 432 832 416
FLAG 832 432 0
FLAG 1024 160 A
SYMBOL voltage 432 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 2
SYMBOL res 688 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 5k
SYMBOL res 976 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL Opamps\\opamp 928 96 R0
SYMATTR InstName U2
SYMBOL voltage 560 256 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 1
SYMBOL res 1008 224 R0
SYMATTR InstName R1
SYMATTR Value 2k
SYMBOL res 736 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 2.5k
TEXT 1104 504 Left 2 !.lib opamp.sub
TEXT 1104 568 Left 2 !.tran 1000