Compact Butler matrix using composite right/left handed transmission line

被引：26

作者：

Xu, H-X. ^{[1
]}

Wang, G-M. ^{[1
]}

Wang, X. ^{[1
]}

机构：

[1] AF Engn Univ, Dept Electromagnet Field & Microwave Tech, Missile Inst, Sanyuan 713800, Peoples R China

来源：

ELECTRONICS LETTERS | 2011年 / 47卷 / 19期

基金：

中国国家自然科学基金;

关键词：

BEAM;

D O I：

10.1049/el.2011.2135

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：

A novel composite right/left handed transmission line (CRLH TL) is proposed, for the first time using the Wunderlich-shaped dentiform capacitor and meandered-line short-circuited stub inductor (SSI). The CRLH TL features a larger value of CL and in turn a lower resonance relative to the previous one employing an interdigital capacitor and an SSI. The unique feature of the CRLH TL is applied to engineer a compact Butler matrix. Consistent numerical and measurement results of the matrix prototype centred at 1.8 GHz are shown. The Butler matrix with comparable performance is only 45% of the area that a conventional matrix occupies and can easily facilitate a planar integrated circuit.

引用

页码：1081 / 1082

页数：2

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