Szczepan Odrobina, K. Staszek, K. Wincza, S. Gruszczynski
{"title":"Broadband 3 x 3 butler matrix","authors":"Szczepan Odrobina, K. Staszek, K. Wincza, S. Gruszczynski","doi":"10.1109/COMITE.2017.7932299","DOIUrl":null,"url":null,"abstract":"In this paper, a novel design of a broadband 3 x 3 Butler matrix is proposed. It is composed of three single-section coupled-line directional couplers and two Schiffman phase shifters and operates in the frequency range 2.5 GHz – 3.5 GHz. The fabricated 3 x 3 Butler matrix features very good frequency response in terms of transmission imbalance, isolation and impedance match.","PeriodicalId":423206,"journal":{"name":"2017 Conference on Microwave Techniques (COMITE)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 Conference on Microwave Techniques (COMITE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/COMITE.2017.7932299","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 9
Abstract
In this paper, a novel design of a broadband 3 x 3 Butler matrix is proposed. It is composed of three single-section coupled-line directional couplers and two Schiffman phase shifters and operates in the frequency range 2.5 GHz – 3.5 GHz. The fabricated 3 x 3 Butler matrix features very good frequency response in terms of transmission imbalance, isolation and impedance match.
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