A Novel Resonant Ground Structure Based on a Cavity-Backed DGS

被引：3
|
作者：
Shin, Imseob [1 ]
Lee, Tae-Hak [1 ]
Lee, Juseop [1 ]
Kim, Young-Sik [1 ]
机构：
[1] Korea Univ, Dept Comp & Radio Commun Engn, Seoul 136713, South Korea
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2014年 / 24卷 / 05期
基金：
新加坡国家研究基金会;
关键词：
Defected ground structure (DGS); electromagnetic bandgap (EBG); photonic bandgap (PBG); resonant ground structure (RGS); PBG STRUCTURE;
D O I：
10.1109/LMWC.2014.2309079
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 letter, a new resonant ground structure (RGS) based on a cavity-backed DGS is proposed. The proposed RGS is similar to a DGS and is modeled by a parallel RLC resonance circuit. Since the proposed RGS utilizes a substrate-filled metallic cavity (SFMC) underneath the DGS, it leads to no back-radiation and high quality factor. The frequency responses and structural parameters are analyzed and verified via simulation and measurement. The quality factor of the proposed RGS with a spiral-shaped defect is larger than that of the DGS with the same defect by a factor of 7.4.
引用
收藏
页码：321 / 323
页数：3
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