Compact Substrate Integrated Waveguide (SIW) Filter With Defected Ground Structure

被引：55
|
作者：
Shen, Wei [1 ]
Yin, Wen-Yan [1 ,2 ]
Sun, Xiao-Wei [3 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Elect Informat & Elect Engn, Ctr Microwave & RF Technol CMRFT, Shanghai 200240, Peoples R China
[2] Zhejiang Univ, State Key Lab MOI, COER, Beijing 310058, Peoples R China
[3] Chinese Acad Sci, Inst Microsyst & Informat Technol, Shanghai 200050, Peoples R China
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2011年 / 21卷 / 02期
关键词：
Defected ground structure (DGS); filter; substrate integrated waveguide (SIW); S-parameters; transmission zeros; RESONATOR FILTERS; DESIGN;
D O I：
10.1109/LMWC.2010.2091402
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 compact substrate integrated waveguide (SIW) filter with defected ground structure (DGS) is proposed. The DGS is etched on the ground plane of the SIW cavity, and it behaves as a resonator. Under such condition, better frequency selectivity contributed to three transmission zeros is obtained, and two of them are located at the lower stopband. The proposed filter, fabricated using standard printed circuit board technology, has the advantages of compactness, good spurious suppression characteristics and low cost. Its measured S-parameters agree well with the simulated ones.
引用
收藏
页码：83 / 85
页数：3
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