Compact dual-band filter using interleaved folded half-mode substrate integrated waveguide resonator

被引：3

作者：

Guo, Jun ^{[1
]}

You, Bin ^{[1
]}

Zhang, Xiao Hong ^{[1
]}

Luo, Guo Qing ^{[1
]}

机构：

[1] Hangzhou Dianzi Univ, Minist Educ, Key Lab RF Circuits & Syst, Hangzhou, Zhejiang, Peoples R China

来源：

IET MICROWAVES ANTENNAS & PROPAGATION | 2019年 / 13卷 / 11期

关键词：

D O I：

10.1049/iet-map.2018.6195

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：

A multi-layer interleaved folded half-mode substrate integrated waveguide (HMSIW) dual-band filter is proposed. The TE101 and TE102 mode of the HMSIW resonators form dual-band response by vertical coupling, and the bandwidth of the two passbands can be independently designed by adjusting the coupling apertures. Moreover, three transmission zeros (TZs) are obtained to improve out-of-band rejection, and the TZs can be flexibly designed below or above the passband. By vertically superimposing the HMSIW cavity, the HMSIW filter can be extended to multi-pole dual-band filters. A dual-band filter with centre frequency of 3.05 and 4.7 GHz was fabricated and measured to verify the proposed method. The simulated and measured results are in good agreement.

引用

页码：1773 / 1776

页数：4

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