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shot noise

Shot noise, also known as current noise, is caused by the discrete nature of charge carriers as they pass through a voltage threshold.

Shot noise can be understood as the pattering of electrons and holes that occurs when a direct current flows and the charge carriers pass voltage thresholds, as in diodes or transistors

. Shot noise is white noise because the spectral noise density is the same across all frequencies.

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Englisch: shot noise
Updated at: 11.03.2010
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Translations: DE