operational amplifier

American

noun

Electronics.

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

operational amplifier British

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of operational amplifier

First recorded in 1945–50

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Wu--the man who invented the matched dual operational amplifier in the early days of the integrated circuit--showed me how to use it.

From Inc

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023