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OpenSpecEngineering

Open data for a field built on precision

Op-Amp Gain

Closed-loop gain for the two standard op-amp configurations: inverting, Av = −Rf/Rin, and non-inverting, Av = 1 + Rf/Rin. Assumes an ideal op-amp (infinite open-loop gain, no input bias current).

+ Rin Rf Vout
Inverting configuration shown; non-inverting drives the (+) input directly instead.

Solution

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