High-Frequency Selectivity Coaxial Multiplexer Using Chain Structure

IF 1.2 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Microwave and Optical Technology Letters Pub Date : 2025-07-10 DOI:10.1002/mop.70287

Kaijun Song, Min Liu, Parama Kumarage Aresha Madhubhani, Yong Fan

引用次数: 0

Abstract

This paper presents a chain-structured coaxial multiplexer with high-frequency selectivity, which employs a coaxial resonant cavity structure. The cavity filter achieves ultrahigh frequency selectivity and excellent passband flatness by establishing a parameter mapping framework between the circuit model and full-wave electromagnetic simulation. The multiplexer is widely used as a passive component in existing mobile communication systems. Experimental results demonstrate that the multiplexer exhibits excellent performance, with insertion loss below 0.9 dB and return loss exceeding 20 dB across the 3, 4.8, 7.2, and 7.8 GHz frequency bands.

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链式结构高频选择性同轴多路复用器

本文提出了一种采用同轴谐振腔结构的具有高频选择性的链式同轴复用器。该空腔滤波器通过建立电路模型与全波电磁仿真之间的参数映射框架，实现了超高频选择性和优异的通带平坦性。在现有的移动通信系统中，多路复用器作为无源器件被广泛使用。实验结果表明，该多路复用器在3、4.8、7.2和7.8 GHz频段上的插入损耗低于0.9 dB，回波损耗超过20 dB，性能优异。

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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来源期刊

Microwave and Optical Technology Letters 工程技术-工程：电子与电气

CiteScore

3.40

自引率

20.00%

发文量

371

审稿时长

4.3 months

期刊介绍： Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas. - RF, Microwave, and Millimeter Waves - Antennas and Propagation - Submillimeter-Wave and Infrared Technology - Optical Engineering All papers are subject to peer review before publication