Equivalent noise resistance

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In telecommunication, an equivalent noise resistance is a quantitative representation in resistance units of the spectral density of a noise-voltage generator, given by where is the spectral density, is the Boltzmann's constant, is the standard noise temperature (290 K), so .

Note: The equivalent noise resistance in terms of the mean-square noise-generator voltage, e2, within a frequency increment, Δ f, is given by

Public Domain This article incorporates public domain material from the General Services Administration document: "Federal Standard 1037C".

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