{"title":"A 1.5 V CMOS VGA based on pseudo-differential structures","authors":"Michael M. Green, S. R. Joshi","doi":"10.1109/ISCAS.2000.858788","DOIUrl":null,"url":null,"abstract":"A CMOS variable-gain amplifier that works down to V/sub DD/=1.5 V is described. The gain characteristic is arranged to be a nearly exponential function of control voltage by a novel circuit topology that utilizes triode-biased transistors in pseudo-differential configurations. This circuit is designed using a 0.35 /spl mu/m CMOS process and operates at a 3-dB frequency of 21 MHz with a maximum power consumption of 24.8 mW.","PeriodicalId":6422,"journal":{"name":"2000 IEEE International Symposium on Circuits and Systems. Emerging Technologies for the 21st Century. Proceedings (IEEE Cat No.00CH36353)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2000-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"34","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2000 IEEE International Symposium on Circuits and Systems. Emerging Technologies for the 21st Century. Proceedings (IEEE Cat No.00CH36353)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISCAS.2000.858788","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 34
Abstract
A CMOS variable-gain amplifier that works down to V/sub DD/=1.5 V is described. The gain characteristic is arranged to be a nearly exponential function of control voltage by a novel circuit topology that utilizes triode-biased transistors in pseudo-differential configurations. This circuit is designed using a 0.35 /spl mu/m CMOS process and operates at a 3-dB frequency of 21 MHz with a maximum power consumption of 24.8 mW.
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