Design and Application of a Liquid Crystal Varactor based Tunable Coupled Line for Polarization Agile Antennas

被引：0

作者：

Karabey, Onur Hamza ^{[1
]}

Bausch, Sara ^{[1
]}

Bildik, Saygin ^{[1
]}

Strunck, Sebastian ^{[1
]}

Gaebler, Alexander ^{[1
]}

Jakoby, Rolf ^{[1
]}

机构：

[1] Tech Univ Darmstadt, Inst Microwave Engn & Photon, D-64283 Darmstadt, Germany

来源：

2012 9TH EUROPEAN RADAR CONFERENCE (EURAD) | 2012年

关键词：

MICROSTRIP ANTENNA;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents design and application of a varactor loaded tunable coupled line for a polarization agile antenna. Based on the investigations, a method is proposed to reduce the required varactor tunability. Later on, the results are verified by prototyping an antenna, which consists of a liquid crystal based tunable coupled line. The antenna operates at 13.75 GHz with a return loss of better than 10 dB. The measurement results confirm that the polarization state of the antenna can be changed continuously between linear and circular polarizations by applying a DC bias voltage to the varactors.

引用

页码：413 / 416

页数：4

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