Compact super-wide bandpass substrate integrated waveguide (SIW) filters

被引:181
作者
Hao, ZC [1 ]
Hong, W
Chen, JX
Chen, XP
Wu, K
机构
[1] Southeast Univ, Dept Radioengn, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
[2] Univ Montreal, Dept Elect Engn, Ecole Polytech, Poly Grames Res Ctr, Montreal, PQ H3V 1A2, Canada
关键词
bandpass filter; coplanar waveguide (CPW); defect ground structure (DGS); electromagnetic bandgap (EBG); substrate integrated waveguide (SIW);
D O I
10.1109/TMTT.2005.854232
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
It is known that the substrate integrated waveguide (SIW) features high-pass characteristics of the conventional waveguide, and a periodic structure (PS) generally presents bandstop characteristics. Therefore, a super-wide-band bandpass characteristic should be realized by combining some sort of PS into the SIW. In this paper, three types of compact SIW-PS wide-band bandpass filters are proposed and investigated with simulation and experiment. Performances of a super-wide bandpass, for instance, 8.5-16.5 GHz in this case study, with low insertion loss and sharp out-of-band characteristics are observed from both simulated and measured results.
引用
收藏
页码:2968 / 2977
页数:10
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