Broadband Archimedean spiral antenna above a loaded electromagnetic band gap substrate

被引：14
|
作者：
Schreider, L.
Begaud, X.
Soiron, M.
Perpere, B.
Renard, C.
机构：
[1] Telecom Paris, GET, COMELEC Dept, CNRS,LICI, F-75634 Paris 13, France
[2] Ctr Charles Nungesser, Thales Aerosp Div, F-78851 Elancourt, France
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2007年 / 1卷 / 01期
关键词：
D O I：
10.1049/iet-map:20050323
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：
The development of a low profile, lightweight, broadband spiral antenna for airborne applications is described. The use of an electromagnetic band gap substrate with loads as reflector for an Archimedean spiral antenna is proposed. A method based on a transmission line model is presented to design this loaded electromagnetic band gap substrate. Simulation and measurements results demonstrate the applicability of the concept. A good impedance matching as well as a good circular polarisation are achieved over a 10:1 frequency bandwidth. Finally, thickness and weight of this new antenna are greatly reduced and their performances are better compared with a conventional spiral antenna with unidirectional beam.
引用
收藏
页码：212 / 216
页数：5
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