X. Cui, S. Doo, P. Roblin, G. Jessen, R. Rojas, J. Strahler
{"title":"Real-time active load-pull of the 2nd & 3rd harmonics for interactive design of non-linear power amplifiers","authors":"X. Cui, S. Doo, P. Roblin, G. Jessen, R. Rojas, J. Strahler","doi":"10.1109/ARFTG.2006.8361651","DOIUrl":null,"url":null,"abstract":"A versatile real-time multi-harmonic active load-pull system based on the large signal network analyzer (LSNA) is developed for the design of class F RF power amplifiers (PA). The approach previously demonstrated for fundamental-impedance tuning is extended here to the real-time tuning of higher harmonic impedances and a supportive theory provided. The real-time tuning method is demonstrated on a GaN HEMT device. A power added efficiency of 80.96% is demonstrated at 2 GHz.","PeriodicalId":302468,"journal":{"name":"2006 68th ARFTG Conference: Microwave Measurement","volume":"24 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"14","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2006 68th ARFTG Conference: Microwave Measurement","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ARFTG.2006.8361651","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 14
Abstract
A versatile real-time multi-harmonic active load-pull system based on the large signal network analyzer (LSNA) is developed for the design of class F RF power amplifiers (PA). The approach previously demonstrated for fundamental-impedance tuning is extended here to the real-time tuning of higher harmonic impedances and a supportive theory provided. The real-time tuning method is demonstrated on a GaN HEMT device. A power added efficiency of 80.96% is demonstrated at 2 GHz.
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