{"title":"An 18-GHz, 10.9-dBm fully-integrated power amplifier with 23.5% PAE in 130-nm CMOS","authors":"C. Cao, H. Xu, Yu Su, K. O","doi":"10.1109/ESSCIR.2005.1541578","DOIUrl":null,"url":null,"abstract":"An 18-GHz fully integrated class-E power amplifier with 10.9-dBm saturated output power, and 23.5-% maximum PAE is fabricated in the UMC 130-nm digital CMOS process. At the saturated output, the required input power level is -5dBm and PA consumes 35mA from V/sub DD/=1.5V. The amplifier is single-ended and includes a 2-stage pre-amplifier and a driver stage. A mode-locking technique exploiting the instability of driver amplifier is used to improve the drive for the gate of output stage. The mode-locking improves PAE by /spl sim/3% and reduces the required input power level by /spl sim/6dB to get same output level.","PeriodicalId":239980,"journal":{"name":"Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005.","volume":"80 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2005-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"27","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIR.2005.1541578","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 27
Abstract
An 18-GHz fully integrated class-E power amplifier with 10.9-dBm saturated output power, and 23.5-% maximum PAE is fabricated in the UMC 130-nm digital CMOS process. At the saturated output, the required input power level is -5dBm and PA consumes 35mA from V/sub DD/=1.5V. The amplifier is single-ended and includes a 2-stage pre-amplifier and a driver stage. A mode-locking technique exploiting the instability of driver amplifier is used to improve the drive for the gate of output stage. The mode-locking improves PAE by /spl sim/3% and reduces the required input power level by /spl sim/6dB to get same output level.