基于枝节加载均匀阻抗谐振器设计的一种双频滤波器  

A dual-band filter design based on a stub-loaded uniform impedance resonator

作　　者：留黎钦 张荔 张萍[2] 赵芳丽[2] 胡昊明 LIU Liqin;ZHANG Li;ZHANG Ping;ZHAO Fangli;HU Haoming(New Engineering Industry College,Putian University,Putian 351100,China;School of Information Engineering,Putian University,Putian 351100,China)

机构地区：[1]莆田学院新工科产业学院,福建莆田350001 [2]莆田学院机电与信息工程学院,福建莆田350001

出　　处：《延边大学学报(自然科学版)》2024年第4期84-87,共4页Journal of Yanbian University(Natural Science Edition)

基　　金：福建省自然科学基金项目(2020J01921,2022J011168,2023J011012);福建省教育厅中青年科研项目(JAT210391)。

摘　　要：为提高无线通信中射频前端滤波器的性能,设计一款双频滤波器.该滤波器是由一对基于枝节加载的均匀阻抗谐振器耦合而成.通过选择适当的阻抗比和电子长度比,实现了中心频率为2.6 GHz和4.82 GHz的双频滤波器.经仿真分析和实验测试,结果表明,所设计的双频滤波器具有选择性高、体积小、插损耗低的优点,因此其具有良好的实际应用及推广价值.In order to improve the performance of RF front-end filter in wireless communication,a dual-frequency filter is designed.The filter is coupled by a pair of uniform impedance resonators based on node loading.By choosing appropriate impedance ratio and electron length ratio,dual-frequency filters with center frequencies of 2.6 GHz and 4.82 GHz are realized.Simulation analysis and experimental tests show that the designed dual-frequency filter has the advantages of high selectivity,small volume and low insertion loss,so it has good practical application and promotion value.

关 键 词：双频滤波器 均匀阻抗谐振器 枝节加载 传输线理论 

分 类 号：TN713[电子电信—电路与系统]