A Novel Interdigital-Hairpin Bandpass Filter Using Multilayered Stripline Structure

MU Ya-ni; MA Zhe-wang

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A Novel Interdigital-Hairpin Bandpass Filter Using Multilayered Stripline Structure

更新时间：2025-07-16

- A Novel Interdigital-Hairpin Bandpass Filter Using Multilayered Stripline Structure
- Acta Electronica Sinica Vol. 34, Issue 12, Pages: 2238-2241(2006)
- 作者机构：
  
  1. 上海大学通信工程系,上海,200072
  2. Saitama University,Saitama,Japan
  3. 上海大学通信工程系上海,200072
  4. Saitama UniversitySaitamaJapan
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN713
- Published：2006
- 稿件说明：
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MU Ya-ni, MA Zhe-wang. A Novel Interdigital-Hairpin Bandpass Filter Using Multilayered Stripline Structure[J]. Acta Electronica Sinica, 2006, 34(12): 2238-2241.
DOI：

MU Ya-ni, MA Zhe-wang. A Novel Interdigital-Hairpin Bandpass Filter Using Multilayered Stripline Structure[J]. Acta Electronica Sinica, 2006, 34(12): 2238-2241. DOI：

摘要

提出了一种新型交指－发夹型多层带状线带通滤波器结构

并设计加工了一个中心频率为2.25GHz

分数带宽为31%的四级带通滤波器

测试值与仿真值吻合得较好.通过仿真结果比较以及实验结果证明

与传统交指型带通滤波器相比

新型交指－发夹型滤波器不但体积减小了约一半

而且能够方便地引入交叉耦合

从而在阻带内产生传输零点

很好地改善滤波器的频率选择特性.

Abstract

A novel interdigital-hairpin bandpass filter using multilayered stripline structure is proposed.The new structure can not only reduce the size of the filter

but also provide transmission zeros to improve its stopband characteristics.As an example

a four-pole bandpass filter centered at 2.25GHz with a fractional bandwidth of 31% using the proposed structure is designed

fabricated and measured.The simulated and experimental results show an excellent agreement.

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