A Novel Printed UWB Slot Antenna With Reconfigurable Band-Notch Characteristics

被引：65
作者：
Tasouji, Nasrin [1 ]
Nourinia, Javad [1 ]
Ghobadi, Changiz [1 ]
Tofigh, Farzad [1 ]
机构：
[1] Urmia Univ, Dept Elect Engn, Orumiyeh 57159, Iran
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2013年 / 12卷
关键词：
Band-notch; microstrip slot antenna; reconfigurable; p-i-n diodes; MONOPOLE ANTENNA;
D O I：
10.1109/LAWP.2013.2273452
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 printed ultrawideband (UWB) slot antenna with reconfigurable band-notch characteristics is presented in this letter. The proposed antenna consists of a modified rectangular radiation patch with a circular and three rectangular-shaped slots etched on it. Additionally, by cutting two triangular-shaped slits on a modified ground plane, practical fractional bandwidth of more than 120% (3.12-12.51 GHz), defined by - 10 dB return loss, is achieved. In order to generate single and dual band-notch characteristics, two p-i-n diodes are mounted across the circular slot. The designed antenna has small size of 20 x 20 mm(2) with switchable single notched bands of 3.12-3.84 GHz WiMAX and 5-6.07 GHz WLAN, when diode 1 and diode 2 are respectively on. Also, dual bands of 3.12-3.82 and 4.9-6.06 GHz are eliminated from whole frequency band when both diodes are concurrently on.
引用
收藏
页码：922 / 925
页数：4
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