Compact ultra-wideband antenna with reconfigurable notched bands

被引：12
作者：
Chen, B. [1 ]
Leng, W. [1 ]
Wang, A. G. [1 ]
Zhao, G. H. [1 ]
机构：
[1] Tianjin Univ, Sch Elect Informat Engn, Tianjin 300072, Peoples R China
来源：
ELECTRONICS LETTERS | 2012年 / 48卷 / 19期
关键词：
PRINTED MONOPOLE ANTENNA;
D O I：
10.1049/el.2012.0889
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 reconfigurable band-notched ultra-wideband antenna is proposed. The antenna mainly consists of a modified rectangle radiating element, a staircase ground plane and two simple pin diode switches, and its entire size is 33.0 x 28.0 x 1.0mm. The presented antenna has nearly omnidirectional patterns, stable gain, small group delay and an available impedance bandwidth ranging from 3.1 to 12.5 GHz, including dual band-notched bands centred at 3.5 and 5.5 GHz, respectively. By reconfiguring the states of pin diode switches, the dual notched bands can be reconfigurable. That is to say, the reconfigurable antenna is able to switch among four operative modes (none or 3.5GHz or 5.5GHz or dual band-rejected).
引用
收藏
页码：1175 / U1
页数：2
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