Definition of operational amplifier in English:

Share this entry

operational amplifier

Pronunciation: /ˌäpəˈrāSHənl/ /ˌäpəˈrāSHnəl ˈampləˌfī(ə)r/
(abbreviation op-amp)


An amplifier with high gain and high input impedance (usually with external feedback), used especially in circuits for performing mathematical operations on an input voltage.
Example sentences
  • And with this, their conversation has shifted from op-amps to the upcoming French Open.
  • The digital communications circuit includes an impedance controller having an operational amplifier connected to control an impedance presented to the two-wire loop by the interface circuit.
  • Specially designed low noise transistors and operational amplifiers have been designed that have a very low noise figure and these are what the design engineers have used in the amplifier stages that are used in the Tower Top Amplifiers.

For editors and proofreaders

Syllabification: op·er·a·tion·al am·pli·fi·er

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.