effective input noise temperature

effective input noise temperature: The source noise temperature in a two-port network or amplifier that will result in the same output noise power, when connected to a noise-free network or amplifier, as that of the actual network or amplifier connected to a noise-free source. (188) Note: If F is the noise figure numeric and 290 K the standard noise temperature, then the effective noise temperature is given by T _n = 290(F-1).

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