{"title":"An integrated Butler matrix in multi-layer technology for multi-port amplifier applications","authors":"T. Żak, K. Sachse","doi":"10.1109/MIKON.2002.1017805","DOIUrl":null,"url":null,"abstract":"The elements of the matrix - 3 dB/90/spl deg/ coupled-line directional couplers and cross-overs - have been designed in multilayer technology, optimised and tested individually, and then merged to form the whole integrated 4 /spl times/ 4 Butler matrix. A good performance of the manufactured matrix, operating in the frequency band 2-4 GHz, encouraged us to design a four-channel amplifier with four input- and four output ports, in which monolithic amplifiers are surface-mounted into 50 /spl Omega/ microstrip lines connecting the input and output Butler matrices. Very promising experimental results are shown.","PeriodicalId":372054,"journal":{"name":"14th International Conference on Microwaves, Radar and Wireless Communications. MIKON - 2002. Conference Proceedings (IEEE Cat.No.02EX562)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"18","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"14th International Conference on Microwaves, Radar and Wireless Communications. MIKON - 2002. Conference Proceedings (IEEE Cat.No.02EX562)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MIKON.2002.1017805","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 18
Abstract
The elements of the matrix - 3 dB/90/spl deg/ coupled-line directional couplers and cross-overs - have been designed in multilayer technology, optimised and tested individually, and then merged to form the whole integrated 4 /spl times/ 4 Butler matrix. A good performance of the manufactured matrix, operating in the frequency band 2-4 GHz, encouraged us to design a four-channel amplifier with four input- and four output ports, in which monolithic amplifiers are surface-mounted into 50 /spl Omega/ microstrip lines connecting the input and output Butler matrices. Very promising experimental results are shown.
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