{"title":"Design of Wideband Variable Gain Amplifier for Receiver System","authors":"Pooja Sabre, D. Mishra, P. Bansod","doi":"10.1109/ICECA49313.2020.9297445","DOIUrl":null,"url":null,"abstract":"This paper has proposed a new architecture for variable gain amplifier (VGA) built in the 0.1S$\\mu$m CMOS technology. In this paper, a new definitive approach is proposed for achieving a large band range of DC gain, acceptable bandwidth (-3dB) with low power consumption and high linearity. This proposed VGA was designed on the Cadence Virtuoso tool for receiver system used in RF, consisting of trans-impedance amplifier and trans-conductor amplifier which are in linear mode. This VGA also attains DC gain range from -35 to 19 dB, and bandwidth is around 25.8 MHz (-3dB). Meanwhile, the proposed VGA, Unity Gain Bandwidth of is nearly 3.32GHz with noise Figure nearly 20dB. Overall circuit consumes total power approximately 2.3mW.","PeriodicalId":297285,"journal":{"name":"2020 4th International Conference on Electronics, Communication and Aerospace Technology (ICECA)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 4th International Conference on Electronics, Communication and Aerospace Technology (ICECA)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICECA49313.2020.9297445","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper has proposed a new architecture for variable gain amplifier (VGA) built in the 0.1S$\mu$m CMOS technology. In this paper, a new definitive approach is proposed for achieving a large band range of DC gain, acceptable bandwidth (-3dB) with low power consumption and high linearity. This proposed VGA was designed on the Cadence Virtuoso tool for receiver system used in RF, consisting of trans-impedance amplifier and trans-conductor amplifier which are in linear mode. This VGA also attains DC gain range from -35 to 19 dB, and bandwidth is around 25.8 MHz (-3dB). Meanwhile, the proposed VGA, Unity Gain Bandwidth of is nearly 3.32GHz with noise Figure nearly 20dB. Overall circuit consumes total power approximately 2.3mW.
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