Compact Wideband Ridge Half-Mode Substrate Integrated Waveguide Filters

被引：23

作者：

Huang, Liwen ^{[1
]}

Cha, Hao ^{[1
]}

Li, Yi ^{[1
]}

机构：

[1] Naval Univ Engn, Sch Elect Engn, Wuhan 430000, Peoples R China

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2016年 / 64卷 / 11期

关键词：

Integrated circuits; microwave filters; waveguide; DESIGN;

D O I：

10.1109/TMTT.2016.2606385

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：

r In this paper, the propagation properties of the ridge half-mode substrate integrated waveguide (RHMSIW) are analyzed and RHMSIW coupling topologies to implement compact wideband filters are explored. The propagation constant and the cutoff frequency of the RHMSIW are discussed. Two types of ultra-wideband RHMSIW coupling topologies are proposed by employing the evanescent-mode HMSIW and RHMSIW structures. To improve the stopband performance while keeping a small size, another novel mixed-coupled RHMSIW topology is developed to introduce transmission zeros in filters by combining the evanescent-mode coupling with the slot coupling. Wideband RHMSIW filters are designed and fabricated with these coupling topologies. It is shown that compact size and good stopband performance can be achieved for the proposed wideband RHMSIW filters.

引用

页码：3568 / 3579

页数：12

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