Physics, asked by barlacktr77391, 11 months ago

Antenna noise temp and amplifer noise temp

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Answered by vipbhai

For instance, assume anamplifier has a noise temperature 870 K and thus anoise figure of 6 dB. If thatamplifier is used to amplify a source having a noise temperature of about roomtemperature (290 K), as many sources do, then the insertion of that amplifier would reduce the SNR of a signal by 6 dB.

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