A Dual-Passband Filter with Wide Stopband Based on Quarter-Mode Substrate Integrated Elliptical Waveguide

被引：0
|
作者：
Wang, Rui [1 ]
Xia, Zuxue [1 ]
Wang, Chao [1 ]
Cao, Xin [1 ]
Cheng, Rui [1 ]
机构：
[1] Southwest Univ Sci & Technol, Sch Informat Engn, Mianyang, Sichuan, Peoples R China
来源：
2022 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP) | 2022年
关键词：
miniaturization; dual-mode dual-band (DMDB); wide stopband; Quarter-mode Substrate Integrated Elliptic Waveguide (QMSIEW); transmission zeros (TZs); BAND;
D O I：
10.1109/ISAP53582.2022.9998593
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 miniaturized, dual-mode and dual-band (DMDB) filter with wide stopband based on quarter-mode substrate integrated elliptical waveguide (QMSIEW) is designed. QMSIEW is proposed by cutting along the substrate integrated elliptic waveguide (SIEW) magnetic wall. The filter realizes the first and the second passband respectively through the TMC010 and TMS210 modes of QMSIEW. The simulation results show that the frequency ratio of the designed DMDB filter is 2.49. The stopband bandwidth is extended to 2.32f0 with a rejection level better than 20dB between the two passbands, and there are 5 transmission zeros (TZs) out of passbands.
引用
收藏
页码：455 / 456
页数：2
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