Planar single-/dual-band beidpass filters based on new per turbed multi-mode SAW circular cavity

被引：3
|
作者：
Zhang, Weihao [1 ]
Ding, Shuai [2 ]
Huang, Yongmao [3 ]
Zhu, Zhaojun [2 ]
He, Wei [1 ]
Bozzi, Maurizio [4 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Mat & Energy, Chengdu, Peoples R China
[2] Univ Elect Sci & Technol China, Inst Appl Phys, Chengdu 610054, Peoples R China
[3] Xihua Univ, Sch Elect & Elect Informat, Chengdu, Peoples R China
[4] Univ Pavia, Dept Elect Comp & Biomed Engn, Pavia, Italy
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2023年 / 37卷 / 03期
关键词：
Bandpass filters; circular cavity resonator; multi-mode; dual-band; substrate integrated waveguide (SIW);
D O I：
10.1080/09205071.2022.2136040
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, new single- and dual-band bandpass filters are implemented based on the perturbed multi-mode substrate integrated waveguide (SIW) circular cavity. For the single-band filter, the TM010 mode, TM110A mode, and TM210A mode are simultaneously utilized to realize the triple-mode resonance response, of which both the bandwidth and central frequency can be flexibly adjusted by allocating the perturbation position properly. Meanwhile, for the dual-band operation, the TMoio mode, TM110A mode, and TM210A mode are arranged to realize the lower passband, whereas the TM210B and TM020 modes are excited to generate the upper passband. The working principle of the filters' coupling topology is explained in detail. For concept verification, both the triple-mode single-band and multimode dual-band filters are designed, manufactured and measured, with the measurement results are separately in good agreement with the corresponding simulations.
引用
收藏
页码：323 / 334
页数：12
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