频率相关耦合三截面宽带微带带通滤波器的设计

2018 10th International Conference on Communications, Circuits and Systems (ICCCAS) Pub Date : 2018-12-01 DOI:10.1109/ICCCAS.2018.8768907

X. Wu, Xubo Wei, Yu Shi

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引用次数: 2

摘要

本文提出了一种以3.6 GHz为中心，50%分数带宽的新型三分频宽带带通滤波器。该滤波器的设计过程基于频率相关耦合矩阵。频率相关耦合通过单独的电磁耦合路径引入滤波器。两个传输零点在通带附近实现。另一个传输零是由谐波效应产生的。这些传输零一起提高了滤波器的选择性。制作并测量了该过滤器。测量结果与模拟结果吻合较好。

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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Design of a Trisection Wideband Microstrip Bandpass Filter with Frequency Dependent Coupling

This paper presents a novel trisection wideband bandpass filter which is centered at 3.6 GHz with 50% fractional band width. The design process of this filter is based on frequency dependent coupling matrix. The frequency dependent coupling is introduced to the filter by separate electromagnetic coupling paths. Two transmission zeros are achieved near the passband. Another transmission zero is generated by harmonic effect. These transmission zeros together improve the selectivity of the filter. The filter was manufactured and measured. Measurements are in good agreement with the simulations.

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来源期刊

2018 10th International Conference on Communications, Circuits and Systems (ICCCAS)

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