Miniaturized and high-selectivity substrate integrated waveguide (SIW) bandpass filter loaded by complementary split-ring resonators (CSRRs)

被引：16

作者：

Jiang, W. ^{[1
]}

Shen, W. ^{[1
]}

Zhou, L. ^{[1
]}

Yin, W. -Y. ^{[1
,2
]}

机构：

[1] Shanghai Jiao Tong Univ, Key Lab, Minist Educ Design & Electromagnet Compatibil Hig, Shanghai 200240, Peoples R China

[2] Zhejiang Univ, State Key Lab MOI, Ctr Opt & EM Res, Hangzhou 310058, Zhejiang, Peoples R China

来源：

JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2012年 / 26卷 / 11-12期

基金：

中国国家自然科学基金;

关键词：

TECHNOLOGY; MICROSTRIP; DGS; CAVITIES; DESIGN; HMSIW;

D O I：

10.1080/09205071.2012.702203

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：

This paper presents an effective technique to obtain miniaturized and high-selectivity substrate integrated waveguide (SIW) bandpass filters by loading complementary split-ring resonators (CSRRs) at the SIW cavities. The existence of the CSRR enables a considerable reduction of the resonance frequency of a conventional SIW cavity thanks to the coupling effect between CSRR and SIW cavity. Besides, a sharp roll-off is generated in a higher stopband due to the characteristics of CSRRs. To demonstrate the operation principal, the second-and third-order SIW bandpass filters are fabricated using standard printed circuit board technology, showing advantages of compact size, good selectivity, easy fabrication, and integration with other circuits. The measured S-parameters agree well with the simulated ones.

引用

页码：1448 / 1459

页数：12

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