A filter design method based on higher-order modes of fan-shaped half-mode substrate integrated waveguide resonator

被引：3

作者：

Zhang, Sheng ^{[1
]}

Cheng, Jun-Jie ^{[1
]}

Guo, Ya ^{[1
]}

Liu, Hai ^{[1
]}

Tang, Shou-Feng ^{[1
]}

机构：

[1] China Univ Min & Technol, Sch Informat & Control Engn, Xuzhou 221116, Jiangsu, Peoples R China

来源：

IEICE ELECTRONICS EXPRESS | 2019年 / 16卷 / 07期

基金：

国家重点研发计划;

关键词：

fan-shaped half-mode substrate integrated waveguide resonator (FSHMSIWR); single-band BPF; tri-band BPF; higher-order mode; BAND BANDPASS FILTER; DUAL-BAND; CAVITY;

D O I：

10.1587/elex.16.20190039

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 22.5 degrees fan-shaped half-mode substrate integrated waveguide resonator (FSHMSIWR) is presented firstly. Based on it, a filter design method by suppression or utilization of higher-order modes is proposed. When feeding on magnetic wall, the fundamental mode (TM101) is excited to generate passband response, while the higher-order modes (TM201 and TM301) can be suppressed. A pair of complementary split-ring resonators (CSRRs) are introduced to strengthen the out-band rejection. Then a single-band bandpass filter (BPF) with ultra-wide and deep stopband is realized. When feeding on electric wall, the higher-order modes can be well excited, which provides flexibility to realize multi-band BPFs only by changing the feeding position. As verification, a single-band BPF and a tri-band BPF with source-load coupling are designed and fabricated. The measured results show good agreement with the simulated ones.

引用

页码：1 / 4

页数：4

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