Differential Amplifier
An instrumentation amplifier adds two buffer amplifier to a differential amplifier, which eliminates the need for input impedance matching.
\[V_{OUT} = (1+\frac{2*R1}{RG})*\frac{R3}{R2} *(V_{IN+}-V_{IN-})\]svg schematics by matt-chv is licensed under CC BY-SA 4.0
