Microstrip dual-mode bandpass filter design using pie-section truncated semi-circle and quarter-circle resonators

Kaida Xu; Yonghong Zhang; Fan Yong; Joines William T.; Qing Huo Liu

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Microstrip dual-mode bandpass filter design using pie-section truncated semi-circle and quarter-circle resonators

机译：使用饼状截断的半圆和四分之一圆谐振器的微带双模带通滤波器设计

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New dual-mode microstrip bandpass filters (BPFs) using pie-section truncated semi-circle and/or quarter-circle resonators are presented. The even-mode and odd-mode frequency responses of these two resonators are investigated. Compared to the four-parameter optimisation of the conventional stub-loaded dual-mode resonator, only three parameters need to be adjusted and optimised for the proposed resonators. Based on these two novel resonators, three BPF examples are designed, fabricated and tested. In addition, the technique of source-load cross coupling to improve performance of the filters is adopted. The good agreement between simulated and measured results validates the design concept.

机译：提出了使用饼形截短的半圆形和/或四分之一圆形谐振器的新型双模微带带通滤波器（BPF）。研究了这两个谐振器的偶模和奇模频率响应。与传统的短负载双模谐振器的四参数优化相比，对于所提出的谐振器，仅需要调整和优化三个参数。基于这两个新颖的谐振器，设计，制造和测试了三个BPF示例。另外，采用源-负载交叉耦合技术来提高滤波器的性能。模拟结果和测量结果之间的良好一致性验证了设计概念。

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来源
《Microwaves, Antennas & Propagation, IET》 |2015年第3期|224-229|共6页
作者
Kaida Xu; Yonghong Zhang; Fan Yong; Joines William T.; Qing Huo Liu;
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作者单位

EHF Key Lab. of Fundamental Sci., Univ. of Electron. Sci. & Technol. of China, Chengdu, China;

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正文语种 eng
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关键词
microstrip filters; optimisation; resonator filters; BPF; dual mode microstrip bandpass filters; dual mode resonator; microstrip dual mode bandpass filter design; parameter optimisation; pie section truncated semicircle; quarter circle resonators; semi circle resonators;

机译：微带滤波器;优化;谐振滤波器;BPF;双模微带带通滤波器;双模谐振器;微带双模带通滤波器设计;参数优化;截面积截断的半圆;四分之一圆谐振器;半圆谐振器;

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1. Center Frequency and Bandwidth Controllable Microstrip Bandpass Filter Design Using Loop-Shaped Dual-Mode Resonator [J] . Tsai H.-J., Chen N.-W., Jeng S.-K. IEEE Transactions on Microwave Theory and Techniques . 2013,第10期

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2. Bandpass filter design using a microstrip triangular loop resonator with dual-mode operation [J] . Lugo C., Papapolymerou J. IEEE microwave and wireless components letters . 2005,第7期

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3. A Novel Triple-Mode Bandpass Filter Based on a Dual-Mode Defected Ground Structure Resonator and a Microstrip Resonator [J] . XuehuiGuan, YeYuan, LanSong, International journal of antennas and propagation . 2013,第3aSpecial期

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4. Design of a quasi-millimeter-wave UWB bandpass filter using microstrip dual-mode ring resonator and half-wavelength resonators [C] . Ma, Zhewang, Wang, Yuanyuan, Ohira, Masataka, URSI General Assembly and Scientific Symposium . 2014

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5. Design of tunable edge-coupled microstrip bandpass filters. [D] . Kaveri, Srinidhi V. 2008

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6. Improving the Pass-Band Return Loss in Liquid Crystal Dual-Mode Bandpass Filters by Microstrip Patch Reshaping [O] . Javier Torrecilla, Virginia Urruchi, José Manuel Sánchez-Pena, 2014

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7. Design of miniaturized dual-mode microstrip bandpass filter based on a novel fractal resonator [O] . Hong-Shu Lu, Tao Xie, Jing-Jian Huang, 2017

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Microstrip dual-mode bandpass filter design using pie-section truncated semi-circle and quarter-circle resonators

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