Novel Reconfigurable Filtering Crossover Based on Evanescent-mode Cavity Resonators

被引：0
|
作者：
Lai, Junchen [1 ]
Yang, Tao [1 ]
Chi, Pei-Ling [2 ]
Xu, Ruimin [1 ]
机构：
[1] Univ Elect Sci & Technol China, Dept Microwave Engn, Chengdu, Peoples R China
[2] Natl Chiao Tung Univ Hsinchu, Dept Elect & Comp Engn, Hsinchu, Taiwan
来源：
PROCEEDINGS OF THE 2020 IEEE/MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM (IMS) | 2020年
关键词：
evanescent-mode cavity; filtering crossover; continuously frequency tuning;
D O I：
暂无
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：
In this paper, a novel tunable filtering crossover based on evanescent-mode cavity is proposed for the first time. The design incorporates four substrate-integrated-waveguide (SIW) evanescent-mode cavity resonators and four sets of varactors between adjacent resonators. Coupling coefficient between adjacent resonators can be set to zero by tuning the varactors, which allows good isolation between adjacent resonators while having bandpass responses between nonadjacent resonators. With this simple configuration, filtering crossover with continuously frequency tuning covering from 2.07-2.75 GHz can be easily can achieved. Good agreement is obtained between simulated and measured results.
引用
收藏
页码：818 / 820
页数：3
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