Version 4
SHEET 1 880 680
WIRE 48 48 16 48
WIRE 160 48 128 48
WIRE 176 48 160 48
WIRE 608 48 352 48
WIRE 16 64 16 48
WIRE 608 64 608 48
WIRE 352 96 352 48
WIRE 352 96 208 96
WIRE 208 128 208 96
WIRE 160 144 160 48
WIRE 176 144 160 144
WIRE 256 160 256 48
WIRE 256 160 240 160
WIRE 288 160 256 160
WIRE 416 160 368 160
WIRE 0 176 -80 176
WIRE 96 176 80 176
WIRE 176 176 96 176
WIRE -80 208 -80 176
WIRE 416 208 416 160
WIRE 464 208 416 208
WIRE 608 208 608 144
WIRE 608 208 544 208
WIRE 672 208 608 208
WIRE 96 256 96 176
WIRE 112 256 96 256
WIRE 416 256 416 208
WIRE 416 256 192 256
WIRE 672 256 672 208
WIRE 608 304 608 208
WIRE -80 320 -80 288
WIRE 208 400 208 192
WIRE 608 400 608 384
WIRE 608 400 208 400
FLAG 16 64 0
FLAG -80 320 0
FLAG 672 256 0
SYMBOL res 384 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 2.5
SYMBOL res 208 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 96 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL res 272 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL res 144 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res 560 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 5
SYMBOL voltage -80 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 2.5V
SYMBOL voltage 608 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 15V
SYMBOL voltage 608 288 M0
WINDOW 0 36 46 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 15V
SYMBOL Opamps\\UniversalOpamp2 208 160 R0
SYMATTR InstName U1
SYMATTR SpiceLine ilimit=3 rail=0 Vos=0 phimargin=45
TEXT -112 424 Left 2 !.tran 1 startup