A compact uniplanar EBG structure and its application in band-notched UWB filter

被引：20
作者：
Kurra, Lalithendra [1 ]
Abegaonkar, Mahesh P. [1 ]
Basu, Ananjan [1 ]
Koul, Shiban K. [1 ]
机构：
[1] Indian Inst Technol Delhi, Ctr Appl Res Elect, New Delhi 110016, India
来源：
INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES | 2013年 / 5卷 / 04期
关键词：
Electromagnetic bandgap; Notch band; Resonator; Uniplanar; UWB; STEPPED-IMPEDANCE RESONATOR; PBG STRUCTURE; FOLDED SIR; IMPLEMENTATION;
D O I：
10.1017/S1759078713000044
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：
In this paper, a new way of obtaining a band rejection in a ultra wideband (UWB) filter using a uniplanar Electromagnetic bandgap (EBG) structure is reported. The EBG structure has a bandgap centered at 6.69 GHz which is almost 38% lower compared with the conventional uniplanar EBG of same dimensions. A one-dimensional EBG structure coupled with a microstrip line provides a narrow bandgap, which is used in obtaining a notch in the UWB filter. Single notch UWB filters with variations in the placement of EBG are fabricated producing a notch centered at 5.19 GHz (wireless local area network (WLAN)). A dual notch (5.16 and 8.24 GHz (satellite communication)) UWB filter is also fabricated with two different unit cell EBGs'. Switchable and tunable notch band UWB filters are proposed.
引用
收藏
页码：491 / 498
页数：8
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