The Design of Dual-Band Bandpass Filter Using Novel Quadruple-Mode Resonator Based on Odd-and Even-Mode Method

ZHANG De-wei; WANG Shu-xing; LIU Qing; ZHOU Dong-fang; ZHANG Yi; L; Uuml

doi:10.3969/j.issn.0372-2112.2018.02.018

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The Design of Dual-Band Bandpass Filter Using Novel Quadruple-Mode Resonator Based on Odd-and Even-Mode Method

更新时间：2025-07-16

- The Design of Dual-Band Bandpass Filter Using Novel Quadruple-Mode Resonator Based on Odd-and Even-Mode Method
- Acta Electronica Sinica Vol. 46, Issue 2, Pages: 387-392(2018)
- 作者机构：
  
  解放军信息工程大学信息系统工程学院,河南,郑州,450002
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2018.02.018
  CLC： TN715
- Published Online：25 February 2018，
  
  Published：2018
- 稿件说明：
移动端阅览
ZHANG De-wei, WANG Shu-xing, LIU Qing, et al. The Design of Dual-Band Bandpass Filter Using Novel Quadruple-Mode Resonator Based on Odd-and Even-Mode Method[J]. Acta Electronica Sinica, 2018, 46(2): 387-392.
DOI：

ZHANG De-wei, WANG Shu-xing, LIU Qing, et al. The Design of Dual-Band Bandpass Filter Using Novel Quadruple-Mode Resonator Based on Odd-and Even-Mode Method[J]. Acta Electronica Sinica, 2018, 46(2): 387-392. DOI： 10.3969/j.issn.0372-2112.2018.02.018.

摘要

提出了一款基于四模谐振器的新型双通带带通滤波器.设计的四模谐振器基于微带线结构，由四个开路枝节和一个短路枝节组成.两次采用奇偶模分析法对该四模谐振器结构进行分析.该四模谐振器的每个模式能够实现独立调节，同时每两个模式形成一个通带.采用源与负载耦合的馈电方式，提高滤波器的带外抑制性.该滤波器具有四个传输零点和四个传输极点.测试结果表明，该双模双通带滤波器工作于2.08GHz和6.07GHz，3dB带宽分别为11.06%和7.74%.设计的滤波器具有紧凑的结构，只有0.28

0.11

大小.

Abstract

A new-type dual-band bandpass filter using a novel quadruple-mode resonator is proposed. This quadruple-mode resonator consists of four open-stubs and one short-stub. The odd-and even-mode method is adopted twice to analyze this resonator and good conclusions are given. Each resonant mode of the quadruple-mode resonator can be tuned independently. Each two modes form a passband of the filter. Source-load coupling is introduced to improve out-band rejection. To testify the proposed theory and resonator structure

a high-selectivity dual-band bandpass filter is designed and fabricated. The measured results show that it has four transmission zeros and four transmission poles. This filter is centered a

t 2.08/6.07 GHz with 3dB bandwidths 11.06%/7.74% respectively and it has a compact size

only 0.28 λ

×0.11λ

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