{"title":"90nm CMOS功率组合开关电容功率放大器","authors":"Sang-Min Yoo, J. Walling, E. Woo, D. Allstot","doi":"10.1109/RFIC.2011.5940622","DOIUrl":null,"url":null,"abstract":"A digitally-controlled switched-capacitor RF power amplifier (SCPA) is implemented with a transformer-based power-combiner in 90nm CMOS. The individual SCPA cores can be controlled to provide high average output power and linearity in an “all-switching” mode or increased dynamic range in a “sequential-switching” mode. The SCPA delivers a peak (average) output power of 27.0 (20.3) dBm with a peak (average) PAE of 26% (15.1%) for a 64 QAM OFDM modulated signal with a measured EVM of 3.8% in the 2.4 GHz band.","PeriodicalId":448165,"journal":{"name":"2011 IEEE Radio Frequency Integrated Circuits Symposium","volume":"78 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"18","resultStr":"{\"title\":\"A power-combined switched-capacitor power amplifier in 90nm CMOS\",\"authors\":\"Sang-Min Yoo, J. Walling, E. Woo, D. Allstot\",\"doi\":\"10.1109/RFIC.2011.5940622\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A digitally-controlled switched-capacitor RF power amplifier (SCPA) is implemented with a transformer-based power-combiner in 90nm CMOS. The individual SCPA cores can be controlled to provide high average output power and linearity in an “all-switching” mode or increased dynamic range in a “sequential-switching” mode. The SCPA delivers a peak (average) output power of 27.0 (20.3) dBm with a peak (average) PAE of 26% (15.1%) for a 64 QAM OFDM modulated signal with a measured EVM of 3.8% in the 2.4 GHz band.\",\"PeriodicalId\":448165,\"journal\":{\"name\":\"2011 IEEE Radio Frequency Integrated Circuits Symposium\",\"volume\":\"78 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-06-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"18\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 IEEE Radio Frequency Integrated Circuits Symposium\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RFIC.2011.5940622\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE Radio Frequency Integrated Circuits Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RFIC.2011.5940622","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A power-combined switched-capacitor power amplifier in 90nm CMOS
A digitally-controlled switched-capacitor RF power amplifier (SCPA) is implemented with a transformer-based power-combiner in 90nm CMOS. The individual SCPA cores can be controlled to provide high average output power and linearity in an “all-switching” mode or increased dynamic range in a “sequential-switching” mode. The SCPA delivers a peak (average) output power of 27.0 (20.3) dBm with a peak (average) PAE of 26% (15.1%) for a 64 QAM OFDM modulated signal with a measured EVM of 3.8% in the 2.4 GHz band.
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