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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, , within a frequency increment, , is given by .

Source: from Federal Standard 1037C

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Topics: Equivalent Noise Resistance, Equivalent Pulse Code Modulation...

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