Small patch/slot antenna with 53% input impedance bandwidth

被引：30
|
作者：
Bao, X. L. [1 ]
Ammann, M. J. [1 ]
机构：
[1] Dublin Inst Technol, Sch Elect & Commun Engn, Ctr Telecommun Value Chain Res, Dublin 8, Ireland
来源：
ELECTRONICS LETTERS | 2007年 / 43卷 / 03期
关键词：
D O I：
10.1049/el:20073279
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 small microstrip patch/slot antenna, which achieves a very large bandwidth on a relatively thin substrate (about 0.01 lambda(0)), is presented. The performance is achieved by employing a combination of annular-ring loading on the patch radiator and the use of a crossed-slot for miniaturisation. An additional ring-slot in the ground plane is used to produce the wideband characteristics of the antenna. Simulated and measured results indicate that a 53% fractional impedance bandwidth is achieved with respect to the centre frequency of 1.409 GHz and the size of the antenna is reduced by 50% compared to the conventional circular patch antenna with respect to a given frequency.
引用
收藏
页码：146 / 148
页数：3
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