{"title":"Design of a fully integrated colpitts oscillator operating at VDD below 4kT/q","authors":"M. B. Machado, M. C. Schneider, C. Galup-Montoro","doi":"10.1109/LASCAS.2014.6820263","DOIUrl":null,"url":null,"abstract":"This paper presents a fully integrated enhanced swing Colpitts oscillator that operates from supply voltages below 4kT/q. Design equations considering the oscillation frequency and start-up conditions required for operation of the Colpitts oscillator are derived. The oscillator was built with a zero-VT transistor, due to its high drive capability at low voltages. Measurement results obtained for a prototype integrated in the IBM 130 nm technology demonstrated the operation of the oscillator with 86 mV of supply voltage.","PeriodicalId":235336,"journal":{"name":"2014 IEEE 5th Latin American Symposium on Circuits and Systems","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2014-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2014 IEEE 5th Latin American Symposium on Circuits and Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/LASCAS.2014.6820263","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
This paper presents a fully integrated enhanced swing Colpitts oscillator that operates from supply voltages below 4kT/q. Design equations considering the oscillation frequency and start-up conditions required for operation of the Colpitts oscillator are derived. The oscillator was built with a zero-VT transistor, due to its high drive capability at low voltages. Measurement results obtained for a prototype integrated in the IBM 130 nm technology demonstrated the operation of the oscillator with 86 mV of supply voltage.
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