Renjing Pan, J. Gu, K. M. Lim, K. Yeo, Kaixue Ma, Keping Wang
{"title":"A CMOS power amplifier using power combination for 3.5GHz mobile WiMAX subscriber applications","authors":"Renjing Pan, J. Gu, K. M. Lim, K. Yeo, Kaixue Ma, Keping Wang","doi":"10.1109/EDSSC.2011.6117643","DOIUrl":null,"url":null,"abstract":"This paper presents the design and analysis of a RF CMOS power amplifier for 3.5GHz mobile WiMAX subscriber station applications. By using four-stage power combination technique at output stage, this new amplifier is able to deliver +32dBm power at input power of •2.7dBm. A PAE (power-added-efficiency) of 48.24% and 15.2% can be obtained at its PO1dB (output 1dB compression point) and +25dBm output power, respectively. A saturated power of +33.5 dBm can be achieved. Powered by a 3.3 Volt DC supply, this proposed power amplifier offers a power gain of 35.8dB. The simulation results show that this design can be fully adopted in 3.5GHz mobile WiMAX subscriber applications. The presented power amplifier is based on Globalfoundries' 0.18µm IC process.","PeriodicalId":6363,"journal":{"name":"2011 IEEE International Conference of Electron Devices and Solid-State Circuits","volume":"5 1","pages":"1-2"},"PeriodicalIF":0.0000,"publicationDate":"2011-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE International Conference of Electron Devices and Solid-State Circuits","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EDSSC.2011.6117643","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
This paper presents the design and analysis of a RF CMOS power amplifier for 3.5GHz mobile WiMAX subscriber station applications. By using four-stage power combination technique at output stage, this new amplifier is able to deliver +32dBm power at input power of •2.7dBm. A PAE (power-added-efficiency) of 48.24% and 15.2% can be obtained at its PO1dB (output 1dB compression point) and +25dBm output power, respectively. A saturated power of +33.5 dBm can be achieved. Powered by a 3.3 Volt DC supply, this proposed power amplifier offers a power gain of 35.8dB. The simulation results show that this design can be fully adopted in 3.5GHz mobile WiMAX subscriber applications. The presented power amplifier is based on Globalfoundries' 0.18µm IC process.
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