Intelecommunications,effective input noise temperature is the sourcenoise temperature in atwo-port network oramplifier that will result in the same outputnoise power, when connected to a noise-free network or amplifier, as that of the actual network or amplifier connected to a noise-free source. IfF is thenoise factor numeric and 290 K the standard noise temperature, then the effective noise temperature is given byTn = 290(F − 1).
This article incorporatespublic domain material fromFederal Standard 1037C.General Services Administration. Archived fromthe original on 2022-01-22. (in support ofMIL-STD-188).
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