Noise Measure Revisited for Design of Amplifiers Close to Activity Limits

Noise Measure Revisited for Design of Amplifiers Close to Activity Limits

This article revisits the concept of "noise measure" and its importance in designing high-frequency low-noise amplifiers. A new derivation is offered which is simpler than the original derivation of Haus and Adler. Several examples are used to calculate the minimum noise measure of a CMOS...

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Veröffentlicht in:IEEE transactions on circuits and systems. I, Regular papers Regular papers, 2022-06, Vol.69 (6), p.2276-2283
Hauptverfasser: Baniasadi, Nima, Niknejad, Ali M.
Format: Artikel
Sprache:eng
Schlagworte:
Amplifier
Amplifier design
Amplifiers
CMOS
Derivation
Impedance
Mathematical models
n-port network
noise canceling
noise figure
noise measure
Noise measurement
Power measurement
Semiconductor device measurement
Signal to noise ratio
Voltage
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Beschreibung
Zusammenfassung:This article revisits the concept of "noise measure" and its importance in designing high-frequency low-noise amplifiers. A new derivation is offered which is simpler than the original derivation of Haus and Adler. Several examples are used to calculate the minimum noise measure of a CMOS amplifier. It is also shown that "noise cancellation" techniques cannot improve the minimum noise measure.
ISSN:1549-8328
1558-0806
DOI:10.1109/TCSI.2022.3157622