Correct Equations for Minimum Noise Measure of a Microwave Transistor Amplifier

被引：4

作者：

Poole, Clive ^{[1
]}

Grammenos, Ryan ^{[1
]}

机构：

[1] UCL, Dept Elect & Elect Engn, London WC1E 6BT, England

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2022年 / 70卷 / 02期

关键词：

Noise measurement; Mathematical models; Transistors; Temperature measurement; Microwave transistors; Microwave measurement; Microwave theory and techniques; Advanced design system (ADS); characteristic noise matrix; low-noise amplifier; metal-semiconductor field-effect transistor (MESFET); multistage amplifiers; noise figure; noise measure; S-parameters; MEASURE TERMINATIONS;

D O I：

10.1109/TMTT.2021.3129496

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

New equations for circles of constant noise measure in the source reflection coefficient plane are presented, and these are used to derive closed-form expressions for the minimum noise measure ( $M_{min}$ ) and the associated source termination ( $Gamma_{om}$ ) for a single-stage microwave transistor amplifier. The new equation for $M_{min}$ replaces an incorrect equation that was previously published by one of the authors. The validity of the new equations has been verified by numerical calculation, simulation, and comparison with results obtained by other authors using different methodologies.

引用

页码：1361 / 1366

页数：6

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