Microstrip Array Antenna with Liquid Crystals Loaded Phase Shifter

被引：3
|
作者：
Kamei, T. [1 ]
Yokota, M. [1 ]
Ozaki, R. [2 ]
Moritake, H. [2 ]
Onodera, N. [1 ]
机构：
[1] Natl Def Acad, Dept Commun Engn, Tokyo, Japan
[2] Natl Def Acad, Dept Elect & Elect Engn, Yokosuka, Kanagawa, Japan
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2011年 / 542卷
关键词：
Directivity; Liquid crystals loaded phase shifter with CPW-FE; microstrip antenna; microwave; two elements array;
D O I：
10.1080/15421406.2011.570555
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel phase shifter loaded with LC for operation in the microwave band has been proposed and its application to array antenna is demonstrated experimentally. The phase shifting operation is based on the anisotropy of dielectric permittivity of the liquid crystal caused by the change of applied electric field. As an application of such LC loaded phase shifter, we utilized the phase shifter as a means for electrically controlling the phase of microwave signal fed to a two-element array antenna comprised of two microstrip antennas that was designed for operating at 20-GHz-band. We have confirmed that the radiation directivity of the array antenna can be controlled by the applied bias voltage.
引用
收藏
页码：167 / 175
页数：9
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