DESIGN OF SUBSTRATE INTEGRATED WAVEGUIDE (SIW) ELLIPTIC FILTER WITH NOVEL COUPLING SCHEME

被引：6
|
作者：
Wu, L. [1 ]
Shen, W. [2 ]
Qian, R. [1 ]
Sun, X. -W. [1 ]
机构：
[1] Chinese Acad Sci, Inst Microsyst & Informat Technol, Shanghai 200050, Peoples R China
[2] Shanghai Jiao Tong Univ, Ctr Microwave & RF Technol, Shanghai 200240, Peoples R China
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2012年 / 26卷 / 5-6期
关键词：
BANDPASS-FILTERS; TECHNOLOGY; RESONATOR; CAVITIES;
D O I：
10.1080/09205071.2012.710811
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 fourth-order substrate integrated waveguide (SIW) quasi-elliptic filter with novel coupling scheme is presented in this paper. A microstrip resonator (MR) with two grounded ends is introduced into the filter design. It not only acts as a resonator, but also brings different direct couplings between MR and SIW resonator. Then, quasi-elliptic response can be obtained easily. The proposed filter has better frequency selectivity than the conventional third-order SIW filter. A filter sample is fabricated on single-layer printed circuit board (PCB) technology. Good agreements are obtained between its measured-and simulated S-parameters.
引用
收藏
页码：827 / 835
页数：9
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