OA1 is the input buffer and gain of 10, OA3 is the reference voltage/2 buffer with gain of 1, OA2 is the adder of two signals.
simulate this circuit – Schematic created using CircuitLab
EDIT: Perhaps replacing 100k resistors with 20k and R2 with 2.2k would give better results.
OA1 is the input buffer and gain of 10, OA3 is the reference voltage/2 buffer with gain of 1, OA2 is the adder of two signals.
simulate this circuit – Schematic created using CircuitLab
OA1 is the input buffer and gain of 10, OA3 is the reference voltage/2 buffer with gain of 1, OA2 is the adder of two signals.
simulate this circuit – Schematic created using CircuitLab
EDIT: Perhaps replacing 100k resistors with 20k and R2 with 2.2k would give better results.
OA1 is the input buffer and gain of 10, OA3 is the reference voltage/2 buffer with gain of 1, OA2 is the adder of two signals.
simulate this circuit – Schematic created using CircuitLab
