BROADBAND CIRCULARLY POLARIZED COMBINATORIAL SLOT ANTENNA

被引：3
|
作者：
Chen, J. [1 ]
Fu, G. [1 ]
Wu, G. -D. [2 ]
Gong, S. -X. [1 ]
机构：
[1] Xidian Univ, Key Natl Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
[2] ZTE, Ctr Res & Dev, Xian 710071, Shaanxi, Peoples R China
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2009年 / 23卷 / 16期
关键词：
PATCH ANTENNA; DESIGN;
D O I：
10.1163/156939309790109342
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 broadband circularly polarized(CP) combinatorial slot antenna is proposed. Irregular slot combined with rectangles and semicircles is adopted to achieve both broadband and circularly polarized characteristics. Meanwhile, an accessorial slot is cut at proper position to broaden the bandwidth. A simple 50 Omega microstrip line is used to excite this combinatorial slot. The proposed antenna has a small size of 40 x 40 x 1.5 mm(3), and the 3 dB axial ratio bandwidth is 1.45 GHz (2.8-4.25 GHz) and 0.25GHz (5.15-5.4 GHz), which are 41.1% and 4.7% respectively. The peak gain of the antenna is 3.5 dB which appears at 5.5 GHz.
引用
收藏
页码：2127 / 2134
页数：8
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