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A 0.6-5.5GHz E-PHEMT broadband high-gain LNA designed by ADS

  • Beihang University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

An ultra-wide band(UWB) low noise amplifier (LNA) of bandwidth 0.6-5.5GHz, gain more than 27dB, flatness fluctuating in ±2dB, noise-figure less than 1.2dB and the input and output reflection coefficient is less than -10dB within the range of the bandwidth is designed and simulated. This LNA utilizes both series negative-feedback in the source electrode and parallel negative-feedback between the drain electrode and the gate electrode to compensate the decrease of the high frequency gain. Comparing with traditional inductance negative-feedback between the drain electrode and the gate electrode, this adding resistance series capacitance feedback can improve gain-flatness and expand bandwidth obviously. Furthermore, this design adopt two stage cascade technology to achieve high gain and a transmission line of TL29 is used to achieve broadband match of an input and output port. Simulated in schematic and layout results are in excellent agreement.

源语言英语
主期刊名Proceedings of 2017 7th IEEE International Symposium on Microwave, Antenna, Propagation, and EMC Technologies, MAPE 2017
编辑Yinghong Wen
出版商Institute of Electrical and Electronics Engineers Inc.
437-440
页数4
ISBN(电子版)9781509059287
DOI
出版状态已出版 - 1 7月 2017
活动7th IEEE International Symposium on Microwave, Antenna, Propagation, and EMC Technologies, MAPE 2017 - Xi'an, 中国
期限: 24 10月 201727 10月 2017

出版系列

姓名Proceedings of 2017 7th IEEE International Symposium on Microwave, Antenna, Propagation, and EMC Technologies, MAPE 2017
2018-January

会议

会议7th IEEE International Symposium on Microwave, Antenna, Propagation, and EMC Technologies, MAPE 2017
国家/地区中国
Xi'an
时期24/10/1727/10/17

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