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
收藏
页码：413 / 416
页数：4
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