Version 4 SHEET 1 880 680 WIRE 208 -16 176 -16 WIRE 304 -16 288 -16 WIRE -48 32 -64 32 WIRE 48 32 32 32 WIRE 176 32 176 -16 WIRE 176 32 128 32 WIRE 304 64 304 -16 WIRE 240 128 240 112 WIRE 176 144 176 32 WIRE 208 144 176 144 WIRE 304 160 304 64 WIRE 304 160 272 160 WIRE 208 176 176 176 WIRE -160 208 -160 176 WIRE -48 208 -64 208 WIRE 48 208 32 208 WIRE 176 208 176 176 WIRE 176 208 128 208 WIRE 176 240 176 208 FLAG 240 192 0 FLAG -160 288 0 FLAG 176 320 0 FLAG -64 208 0 FLAG -64 32 0 FLAG 304 64 Vout FLAG 240 112 VDD FLAG -160 176 VDD SYMBOL Opamps\\OP07 240 96 R0 SYMATTR InstName U1 SYMBOL voltage -160 192 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName VP SYMATTR Value 5 SYMBOL res 32 48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 2343 SYMBOL res 32 224 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R2 SYMATTR Value 1315 SYMBOL res 304 -32 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 100k SYMBOL res 192 336 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R4 SYMATTR Value 100k SYMBOL voltage 48 32 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 2.31 SYMBOL voltage 48 208 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 2.31 TEXT 320 -8 Left 2 !.tran 1