A Low-Profile Archimedean Spiral Antenna Using an EBG Ground Plane

被引：130

作者：

Bell, Jodie M. ^{[1
]}

Iskander, Magdy F. ^{[1
]}

机构：

[1] Univ Hawaii Manoa, Coll Engn, Hawaii Ctr Adv Commun, Honolulu, HI 96822 USA

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2004年 / 3卷 / 01期

关键词：

Archimedean spiral antenna; broad-band antenna; electromagnetic band-gap (EBG); low-profile antenna;

D O I：

10.1109/LAWP.2004.835753

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 letter presents the implementation of electromagnetic band-gap (EBG) structures with an inherently wide-band Archimedean spiral antenna. The EBG structure is designed to emulate a perfect magnetic conductor. The combination of technologies produces a low-profile and wide-band antenna. Utilization of an EBG structure offers an antenna height reduction of more than 69%, including the thickness of the EBG structure, compared to the traditional lambda/4 cavity backed implementation of spiral antennas. Specifically, this approach allows the spiral antenna to maintain a considerable fraction (71%) of its designed inherent broad-band behavior with no loss to its directive gain. In addition, the presented design offers full scalability.

引用

页码：223 / 226

页数：4

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