Wide dual-band CPW-fed slot antenna

被引：19
|
作者：
Hu, L. [1 ]
Hua, W. [1 ]
机构：
[1] Sichuan Univ, Sch Elect & Informat Engn, Chengdu 610064, Sichuan, Peoples R China
来源：
ELECTRONICS LETTERS | 2011年 / 47卷 / 14期
关键词：
Electric impedance - Slot antennas - Antenna feeders - Tuning - Coplanar waveguides;
D O I：
10.1049/el.2011.0909
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 novel wide dual-band design of a coplanar waveguide (CPW) fed antenna is proposed. By using a double C-shaped metallic strip embedded in a big rectangle slot and an inserted tuning strip, the dual-band resonances of the antenna are generated. Good impedance matching condition at the two separated wide frequency bands is achieved by using two pairs of tuning strips at the double C-shaped strips and a pair of symmetrical slots. The measured results show good dual-band operation, with 210 dB impedance bandwidths of 900 MHz (1.97-2.87 GHz) and 3.22 GHz (4.87-8 GHz) at the two frequency bands, and average antenna gains of 3.2 and 4 dBi, respectively. Monopole-like radiations with small cross-polarisation patterns over the operating bands have been obtained.
引用
收藏
页码：789 / U113
页数：2
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