{"title":"Design of Miniaturized and Highly Selective On-Chip BPFs With Mixed-Coupled Resonators","authors":"Yan Zheng;Hanyu Tian;Yuandan Dong","doi":"10.1109/LMWT.2024.3459030","DOIUrl":null,"url":null,"abstract":"In this letter, lumped-element GaAs integrated passive device (IPD) bandpass filters (BPFs) with controllable transmission zeros (TZs) and bandwidths are proposed. The mixed-electromagnetic couplings of a second-order distributed-element resonator and its various transmission responses are analyzed. Two equivalent lumped-element BPF units under different coupling conditions are investigated. To validate the feasibility of this design approach, two 5G N77-band fourth-order BPFs based on the two BPF units are designed and verified. These two BPFs show the superior advantages of small size, low insertion loss, deep rejection, and wide stopband.","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":"34 11","pages":"1235-1238"},"PeriodicalIF":0.0000,"publicationDate":"2024-09-24","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/10689620/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"0","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
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Abstract
In this letter, lumped-element GaAs integrated passive device (IPD) bandpass filters (BPFs) with controllable transmission zeros (TZs) and bandwidths are proposed. The mixed-electromagnetic couplings of a second-order distributed-element resonator and its various transmission responses are analyzed. Two equivalent lumped-element BPF units under different coupling conditions are investigated. To validate the feasibility of this design approach, two 5G N77-band fourth-order BPFs based on the two BPF units are designed and verified. These two BPFs show the superior advantages of small size, low insertion loss, deep rejection, and wide stopband.
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