op-ampn.
/ˌɒpˈamp/, U.S. /ˈɑpˈæmp/ Electronics.
= operational amplifier n.
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the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > amplifier
amplifier1914
superregenerator1922
operational amplifier1947
op-amp1967
1967 Product Engin. 3 July 70/1 (caption) Op-amp sums two signals to produce one current.
1971 Esquire Oct. 121/2 Op-amps are instrumentation amplifiers designed for ultra-stable amplification.
1992 V. Capel Public Addr. Syst. vii. 110 A separate positive and negative supply line with a common earth is frequently required for many op-amps and output stages.
2001 Future Music June 7/1 (advt.) It blows away our competitor's op-amps in terms of noise and distortion.
This is a new entry (OED Third Edition, June 2004; most recently modified version published online March 2022).
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n.1967