DESIGN OF A COMPACT MICROSTRIP LOW-PASS FILTER USING DEFECTED GROUND STRUCTURE

被引：14
|
作者：
Wei, Feng [1 ]
Shi, Xiao Wei [1 ]
Li, Bin [2 ]
Huang, Qiu Lin [1 ]
Wang, Xin Huai [1 ]
机构：
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Peoples R China
[2] Beijing Inst Technol, Sch Informat Sci & Technol, Ctr Electromagnet Simulat CEMS, Beijing 100081, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2008年 / 50卷 / 12期
关键词：
defected ground structure (DGS); semicircle stepped-impedance shunt stubs (S-SISS); low-pass filter; band-stop;
D O I：
10.1002/mop.23938
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 compact microstrip low-passfilter (LPF) is proposed in this article. The proposed LPF is composed of semicircle-detected ground structures (S-DGS) and semicircle stepped-impedance shunt stabs (S-SISS). An equivalent lumped L-C circuit model is also presented. With the S-DGS and S-SISS, better band-stop performance and much smaller size can be obtained. Finally, theoretical and simulated results are presented, which are in good agreement with the measured results. (C) 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 3157-3160, 2008: Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23938
引用
收藏
页码：3157 / 3160
页数：4
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