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shot noise

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noun
  1. Electronics. See under shot effect.
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Origin of shot noise

First recorded in 1975–80

shot effect

noun Electronics.
  1. random fluctuations in the emission of electrons from a hot cathode, causing a hissing or sputtering sound (shot noise) in an audio amplifier and causing snow on a television screen.
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Origin of shot effect

translation of German Schroteffekt (1918), equivalent to Schrot small shot, buckshot + Effekt effect
Also called Schottky noise.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for shot noise

shot noise

shot effect

noun
  1. the inherent electronic noise arising in an electric current because of the discontinuous nature of conduction by electronsAlso called: Schottky noise (ˈʃɒtkɪ)
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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