A Compact Narrow-Band tandstop Filter Using Spiral-Shaped Defected Microstrip Structure

被引：0

作者：

Wang, Jun ^{[1
]}

Ning, Huansheng ^{[1
,2
]}

Xiong, Qingxu ^{[1
]}

Mao, Lingfeng ^{[3
]}

机构：

[1] Beihang Univ, Sch Elect & Informat Engn, Beijing 100191, Peoples R China

[2] Univ Sci & Technol Beijing, Sch Comp & Commun, Beijing 100083, Peoples R China

[3] Soochow Univ, Inst Intelligent Struct & Syst, Suzhou 215006, Peoples R China

来源：

RADIOENGINEERING | 2014年 / 23卷 / 01期

关键词：

Bandstop filter; defected microstrip structure (DMS); microstrip; GROUND STRUCTURE; DESIGN; DGSS;

D O I：

暂无

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 narrow-band bandstop filter is implemented by using the proposed spiral-shaped defected microstrip structure (SDMS) in this paper. Compared with other DMSs, the presented SDMS exhibits the advantage of compact size and narrow stopband. Meanwhile, an approximate design rule of the SDMS is achieved and the effects of the dimensions on the resonant frequency and 3dB fractional bandwidth (FBW) are analyzed in detail. Both the simulation and measurement results of the fabricated bandstop filter show that it has a 10 dB stopband from 3.4 GHz to 3.6 GHz with more than 45 dB rejection at the center frequency.

引用

页码：209 / 213

页数：5

共 12 条

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