{"title":"Design of Dual-Band Bandpass Filters Based on Metal-Integrated Suspended Line Technology","authors":"Yi Wu;Kaixue Ma","doi":"10.1109/LMWT.2024.3384966","DOIUrl":null,"url":null,"abstract":"This letter introduces two dual-band bandpass filters (BPFs) based on novel metal-integrated suspended line (MISL) technology. These filters are designed to operate simultaneously in both the C-band and Ku-band based on dual-mode MISL resonators with low loss. Unlike traditional coaxial designs, the proposed MISL-based dual-band filters offer a compact footprint and allow for greater flexibility in design and fabrication. To improve the attenuation between the two passbands, the mixed electric and magnetic couplings have been used to achieve controllable between-band transmission zeros (TZs). To validate the concept, two dual-band BPFs are designed, fabricated, and measured. The measured results of the filters align well with the simulated results, confirming the compact size and low-loss characteristics of the proposed designs.","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE microwave and wireless technology letters","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/10495726/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"0","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
This letter introduces two dual-band bandpass filters (BPFs) based on novel metal-integrated suspended line (MISL) technology. These filters are designed to operate simultaneously in both the C-band and Ku-band based on dual-mode MISL resonators with low loss. Unlike traditional coaxial designs, the proposed MISL-based dual-band filters offer a compact footprint and allow for greater flexibility in design and fabrication. To improve the attenuation between the two passbands, the mixed electric and magnetic couplings have been used to achieve controllable between-band transmission zeros (TZs). To validate the concept, two dual-band BPFs are designed, fabricated, and measured. The measured results of the filters align well with the simulated results, confirming the compact size and low-loss characteristics of the proposed designs.
这封信介绍了两款基于新型金属集成悬挂线（MISL）技术的双频带通滤波器（BPF）。这些滤波器基于低损耗的双模 MISL 谐振器，可同时工作于 C 波段和 Ku 波段。与传统的同轴设计不同，所提出的基于 MISL 的双频滤波器占地面积小，在设计和制造方面具有更大的灵活性。为了改善两个通带之间的衰减，采用了混合电耦合和磁耦合来实现可控的带间传输零点（TZ）。为了验证这一概念，我们设计、制造并测量了两个双频 BPF。滤波器的测量结果与模拟结果十分吻合，证实了拟议设计的紧凑尺寸和低损耗特性。
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