{"title":"A 5.8GHz LC-based digitally controlled oscillator with 20kHz frequency resolution and 37 % tuning range","authors":"Rachid El Waffaoui, Simon Lee","doi":"10.1109/ESSCIRC.2009.5326004","DOIUrl":null,"url":null,"abstract":"This paper reports an LC-based digitally controlled oscillator (DCO) in 65nm CMOS, key component in a digital phase locked loop, with an enhanced frequency resolution and extended tuning range. It has a center frequency of 5.8GHz and a tuning range of 1800MHz. The finest frequency step is about 20kHz. The oscillator exhibits a phase noise of −100dBc/Hz at 100kHz frequency offset from 4.9GHz. The DCO draws 4mA current from 1.8V supply.","PeriodicalId":258889,"journal":{"name":"2009 Proceedings of ESSCIRC","volume":"13 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 Proceedings of ESSCIRC","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIRC.2009.5326004","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
This paper reports an LC-based digitally controlled oscillator (DCO) in 65nm CMOS, key component in a digital phase locked loop, with an enhanced frequency resolution and extended tuning range. It has a center frequency of 5.8GHz and a tuning range of 1800MHz. The finest frequency step is about 20kHz. The oscillator exhibits a phase noise of −100dBc/Hz at 100kHz frequency offset from 4.9GHz. The DCO draws 4mA current from 1.8V supply.
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