Compact planar ultrawideband wide-slot antenna with an assembled band-notched structure

被引：7
|
作者：
Zeng, Wenbo [1 ]
Zhao, Jia [1 ]
Wu, Qiqi [1 ]
机构：
[1] Guangxi Univ Technol, Dept Elect Informat & Controlling, Guangxi 545006, Liuzhou, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2012年 / 54卷 / 07期
关键词：
ultrawideband antenna; band-notched characteristics; wide-slot antenna; coplanar waveguide;
D O I：
10.1002/mop.26864
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 simple and compact wide-slot antenna and its extended band-notched design are presented.The proposed antenna is etched on a piece of FR4 printed circuit board with an overall size of 30 x 28 x 0.8 mm3. It consists of a polygonal wide slot, a coplanar waveguide feeding line, and a circular metal ring. The antenna prototype achieves good impedance matching, a constant gain, and stable radiation patterns over an operating bandwidth of 3.110.6 GHz. Furthermore, after the addition of an assembled band-notch structure, which is formed by a pair of inverted L-shaped slits embedded in the ground plane and a T-shaped stub inside the metal ring, the proposed antenna exhibits band-notched characteristics and achieves a much sharper notch band at 56 GHz. (C) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:16541659, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26864
引用
收藏
页码：1654 / 1659
页数：6
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