Silver-Plated Dielectric Waveguide Filters Using Dual-Ridge Dual-Mode Resonator

被引：2
|
作者：
Xie, Ya [1 ]
Chen, Fu-Chang [1 ]
机构：
[1] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou, Peoples R China
来源：
2021 IEEE MTT-S INTERNATIONAL MICROWAVE FILTER WORKSHOP (IMFW) | 2021年
基金：
中国国家自然科学基金;
关键词：
Bandpass filter; dielectric waveguide; dual-ridge; silver-plated; transmission zero;
D O I：
10.1109/IMFW49589.2021.9642293
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 design, two novel silver-plated dielectric waveguide filters with flexible transmission zeros are presented. The dual-mode dielectric resonator, which is based on TM120 and TM210 mode, consists of two ridges located at the center of the side wall. The resonant frequencies can be controlled by the lengths of the ridges. The intracavity coupling is achieved by a combination of a blind hole and a coupling iris. By changing the cascaded position of the two dual-ridge dual-mode resonators, different coupling topology can be obtained, and thus one or two transmission zeros can be set at the high end of the passband to improve the selectivity of the filter.
引用
收藏
页码：169 / 171
页数：3
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