Low frequency voltage amplifier with low input amplitudes : Operational amplifier

Operational amplifier
Low frequency voltage amplifier with low input amplitudes

Authors : Farouk VALLETTE, Geoffroy KLISNICK, Sylvain FERUGLIO

Publication date: November 10, 2025 | Lire en français

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2. Operational amplifier

In this chapter, the operational amplifier (OP amp) is defined and its characteristics are presented with a view to designing voltage amplifiers.

An operational amplifier is a voltage amplifier with two inputs. $v_{+}$ and $v_{-}$ and an exit $v_{out}$ , such as:

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Operational amplifier

(1) - LATORRE (B.), BERLAND (C.), DE DIEULEVEULT (F.), DELABIE (C.), FRANÇAIS (O.), POULICHET (P.) - Électronique analogique. - Dunod (2018).
(2) - REDON (M.) - Cours d'électronique analogique. - Maîtrise EEA UPMC (2001).
(3)...

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