{"title":"An automatic gain control amplifier for high voltage spindle recording","authors":"Wei-Han Chen, K. Tang","doi":"10.1109/EDSSC.2017.8126500","DOIUrl":null,"url":null,"abstract":"In this work, an automatic gain control amplifier for high voltage spindle recording is proposed. It is composed of a fix-gain amplifier and a variable gain amplifier (VGA) with threshold detecting logic to control the gain of VGA. The system provides 3 different gain set: 54dB, 60dB and 66dB. The bandwidth of the system covers from 0.5Hz to 1.5 KHz. The power is 7.7uW, and the integral input referred noise is 5.5uV. With the threshold detecting logic, the system can avoid saturation when high voltage spindle happens.","PeriodicalId":163598,"journal":{"name":"2017 International Conference on Electron Devices and Solid-State Circuits (EDSSC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 International Conference on Electron Devices and Solid-State Circuits (EDSSC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EDSSC.2017.8126500","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In this work, an automatic gain control amplifier for high voltage spindle recording is proposed. It is composed of a fix-gain amplifier and a variable gain amplifier (VGA) with threshold detecting logic to control the gain of VGA. The system provides 3 different gain set: 54dB, 60dB and 66dB. The bandwidth of the system covers from 0.5Hz to 1.5 KHz. The power is 7.7uW, and the integral input referred noise is 5.5uV. With the threshold detecting logic, the system can avoid saturation when high voltage spindle happens.
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