宽带带通滤波器采用耦合线与多个传输极点和良好的带外性能

2020 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2020-12-08 DOI:10.1109/APMC47863.2020.9331401

Nan Zhang, Xiaolong Wang, Zhewang Ma, Chun-Ping Chen

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引用次数: 0

摘要

本文提出了一种采用带尖锐滚脱衬衣的耦合线的宽带带通滤波器。通过偶模和奇模输入阻抗计算，可实现通带内7个传输极和高带外抑制性能。为了演示，设计并制作了一个以1.5 GHz为中心的高阻带抑制宽带带通滤波器原型。仿真结果与实测结果吻合良好，验证了设计思想的正确性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Wideband Bandpass Filter Using Coupled Lines With Multiple Transmission Poles and Good Outband Performance

A wideband bandpass filter using coupled lines with sharp roll-off shirts is proposed in this paper. Seven transmission poles within the passband and high out-band rejection performance can be realized through even-and oddmode input impedance calculations. For demonstration, a wideband bandpass filter prototype centered at 1.5 GHz with high-stopband rejection is designed and fabricated. Good agreement between the simulations and measurements validates the design idea.

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2020 IEEE Asia-Pacific Microwave Conference (APMC)

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