A Spiral Antenna with Integrated Parallel-Plane Feeding Structure

被引：4
作者：
Huang, Huifen [1 ]
Lv, Zonglin [1 ]
机构：
[1] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510641, Guangdong, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2014年 / 45卷 / 45期
基金：
中国国家自然科学基金;
关键词：
Antenna geometry - Broadband operation - Equiangular spiral - Feeding structures - Long lengths - Multilayer structures - Parallel planes - Radiation behavior;
D O I：
10.2528/PIERL14012708
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：
In practical applications, the low-profile spiral antennas suffer from the lack of proper planar feeding ways. The vertical balun always has a significantly long length, inconsistent with the requirements of the low profile spiral antenna geometry. A spiral antenna with integrated parallel plane feeding structure is proposed in this paper. The antenna used has obviously improved axial ratio compared to the equiangular spiral antenna at low frequencies. And the traditional balun in the third dimension is moved to the planar plane. The antenna and the Dyson-style balun have been integrated into a multi-layer structure. The resulting structure maintains the typical radiation behavior and the broadband operation of the spiral antennas, but the vertical balun is integrated at the same plane with the antenna. The overall size of the spiral antenna is largely reduced.
引用
收藏
页码：45 / 50
页数：6
相关论文
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