Stability Evaluation of a Broadband Multi-Stage Low Noise Amplifier using Nonlinear Analysis

Chun Chia Huang, Hong Yeh Chang, Chau Ching Chiong

研究成果: 書貢獻/報告類型會議論文篇章同行評審

1 引文 斯高帕斯(Scopus)

摘要

In this paper, the stability evaluation of a broadband multi-stage low noise amplifier (LNA) is presented using nonlinear analysis. The demonstrated LNA consists of three common-source stages with resistance-capacitance feedback, and it is implemented in 0.15-μm GaAs pHEMT process. The linear inter-stage stability analysis and the nonlinear stability analysis are employed to predict the occurrence of low-frequency and microwave oscillations. The simulated results are demonstrated to eliminate instabilities in the broadband multi-stage LNA, especially for the low-and high-frequency bands. Moreover, the LNA features a measured 3-dB bandwidth from 4 to 16 GHz, a maximum small-signal gain of 28 dB, a minimum noise figure of 2 dB. The measured output 1-dB compression point is higher than-3 dBm. The demonstrated method for stability is suitable for the microwave linear and nonlinear circuits.

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主出版物標題2019 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2019 - Proceedings
發行者Institute of Electrical and Electronics Engineers Inc.
ISBN(電子)9781728124964
DOIs
出版狀態已出版 - 8月 2019
事件2019 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2019 - Nanjing, China
持續時間: 28 8月 201930 8月 2019

出版系列

名字2019 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2019 - Proceedings

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???event.eventtypes.event.conference???2019 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2019
國家/地區China
城市Nanjing
期間28/08/1930/08/19

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