MMIC功率放大器稳定性分析

2009 3rd IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications Pub Date : 2009-12-18 DOI:10.1109/MAPE.2009.5355869

Yu Liu, Tao Yang, Ziqiang Yang

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引用次数: 0

摘要

提出了一种改进的MMIC功率放大器稳定性分析技术。该技术主要是利用辅助发电机，通过改变终端阻抗，发现非线性电路在不匹配条件下的振荡。将该方法应用于两个ka波段单片功率放大器，检测了它们在不同端阻抗下的直流区自主振荡，结果与实测结果吻合较好。

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Stability analyses of MMIC power amplifiers

An improved stability analysis technique of MMIC power amplifiers is presented. The technique is mainly based on the use of an auxiliary generator, by changing the terminal impedance, the oscillation of nonlinear circuit can be found in the unmatched condition. The method has been applied to two Ka-band monolithic power amplifiers, detecting their autonomous oscillations of DC regime for different terminal impedance, in good agreement with measurements.

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来源期刊

2009 3rd IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications

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