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Noise temperatures of multiresponse systems

Noise temperatures of multiresponse systems

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© The Institution of Electrical Engineers
Published

A new definition of the effective input noise temperature which allows negative real part source and port imittances and multiresponse systems is proposed. This extended effective input noise temperature is used to modify the Friis formula to include cascading of a large class of multiresponse stages with possibly negative real part source and port imittances.

Inspec keywords: cascade networks; white noise; network analysis; electron device noise; multiport networks; mixers (circuits); amplifiers; electric immittance

Other keywords: negative real part port immittances; two port networks; Friis formula; negative real part source immittances; effective input noise temperature; cascading; multiresponse systems; white noise; mixer; cascaded amplifier

Subjects: Modulators, demodulators, discriminators and mixers; General circuit analysis and synthesis methods; Amplifiers

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