{"title":"A 20-50 GHz reconfigurable matching network for power amplifier applications","authors":"T. Vaha-Heikkila, Gabriel M. Rebeiz","doi":"10.1109/MWSYM.2004.1339059","DOIUrl":null,"url":null,"abstract":"A reconfigurable matching network has been developed and it is based on loaded line techniques. It consists of 8 switched MEMS capacitors producing 256 (2/sup 8/) different impedances and is only 1/spl times/2.5 mm in size on a glass substrate. The network is ideally suited to match power amplifiers with 10-20 /spl Omega/ output impedance to 50-60 /spl Omega/ systems at 20-50 GHz. The estimated loss of the network is only 1-1.5 dB at 40 GHz while matching a 10-20 /spl Omega/ load to a 50 /spl Omega/ load. The reconfigurable network can also be used as an impedance tuner in noise parameter and load-pull measurements of active devices at 30-65 GHz.","PeriodicalId":334675,"journal":{"name":"2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535)","volume":"211 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"58","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSYM.2004.1339059","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 58
Abstract
A reconfigurable matching network has been developed and it is based on loaded line techniques. It consists of 8 switched MEMS capacitors producing 256 (2/sup 8/) different impedances and is only 1/spl times/2.5 mm in size on a glass substrate. The network is ideally suited to match power amplifiers with 10-20 /spl Omega/ output impedance to 50-60 /spl Omega/ systems at 20-50 GHz. The estimated loss of the network is only 1-1.5 dB at 40 GHz while matching a 10-20 /spl Omega/ load to a 50 /spl Omega/ load. The reconfigurable network can also be used as an impedance tuner in noise parameter and load-pull measurements of active devices at 30-65 GHz.
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