operational amplifier

noun Electronics.

a high-gain, high-input impedance amplifier, usually an integrated circuit, that can perform mathematical operations when suitably wired.

Origin of operational amplifier

First recorded in 1945–50

Words nearby operational amplifier

operation barbarossa, operation desert storm, operation overlord, operation sealion, operational, operational amplifier, operational calculus, operationalism, operations research, operations room, operative

British Dictionary definitions for operational amplifier

operational amplifier

noun

a high-gain direct-coupled amplifier, the response of which may be controlled by negative-feedback circuits externally connected