基于RF-MEMS的SP4T开关LNA MMIC用于24ghz波束导向天线模块

2015 European Microwave Conference (EuMC) Pub Date : 2015-12-03 DOI:10.1109/EUMIC.2015.7345136

R. Malmqvist, A. Gustafsson, W. Simon, M. A. Campo, L. Baggen, B. Grandchamp, S. Seok, M. Fryziel, N. Rolland, M. Lahti, P. Rantakari, T. Vaha-Heikkila

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引用次数: 0

摘要

提出了一种用于24ghz波束导向天线模块的RF-MEMS SP4T开关LNA MMIC。当四个MEMS开关中的一个关闭而其他开关打开时，SP4T LNA在16-30 GHz时的测量增益为10-16 dB (16-26 GHz时NF=2.6-3.0 dB)，在24 GHz时的隔离度高达37 dB。据作者所知，这项工作首次实现了MEMS SP4T LNA MMIC在自适应天线中用作片上有源波束开关网络。实验结果成功地证明了MEMS SP4T LNA可以在同一平面-55°和45°之间的4个不同方向上控制天线波束。

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An RF-MEMS based SP4T switched LNA MMIC used in a 24 GHz beam-steering antenna module

This paper presents an RF-MEMS SP4T switched LNA MMIC used in a 24 GHz beam-steering antenna module. The SP4T LNA has a measured gain of 10-16 dB at 16-30 GHz (NF=2.6-3.0 dB at 16-26 GHz) with up to 37 dB of isolation at 24 GHz when one of the four MEMS switches are closed while the other switches are open. To the authors' knowledge, this work represents a first-time realisation of a MEMS SP4T LNA MMIC used as an on-chip active beam-switching network in an adaptive antenna. The experimental results successfully demonstrate that the MEMS SP4T LNA can be used to control the antenna beam in 4 different directions between -55° and 45° in the same plane.

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2015 European Microwave Conference (EuMC)

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