shot noise

noun

1. Electronics. See under 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.

noun

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