基于薄膜BaSrTiO3电容器的可调谐3.5GHz和1.5GHz芯片天线

2011 IEEE Radio and Wireless Symposium Pub Date : 2011-03-07 DOI:10.1109/RWS.2011.5725454

Nan Ni, A. Cardona

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引用次数: 1

摘要

本文提出了可调谐的3.5GHz和1.5GHz芯片天线。通过应用可调谐匹配网络，使芯片天线具有可调谐特性。特别地，匹配网络中的电容器是可调谐薄膜BST电容器，其调谐比为3∶1。BST电容器的电容可以通过外部直流偏置电压来调节。通过改变电容，可调谐匹配网络使3.5GHz天线的带宽提高了80%，1.5GHz天线的带宽提高了26%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Tunable 3.5GHz and 1.5GHz chip antennas based on thin-film BaSrTiO3 capacitors

Tunable 3.5GHz and 1.5GHz chip antennas are presented in this paper. By applying tunable matching networks, the chip antennas show tunable characteristic. Especially, the capacitors in the matching networks are tunable thin-film BST capacitors, which have a 3∶1 tuning ratio. The capacitance of the BST capacitors can be tuned by an external DC bias voltage. By varying the capacitance, the tunable matching networks increased the bandwidth of the 3.5GHz antenna by 80%, and the 1.5GHz antenna by 26%.

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2011 IEEE Radio and Wireless Symposium

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