A CMOS wideband linear-in-dB VGA for UWB applications

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dc.contributor.authorLee, Hui Dongko
dc.contributor.authorLee, Kyung-Aiko
dc.contributor.authorHong, Songcheolko
dc.date.accessioned2008-04-21T10:37:33Z-
dc.date.available2008-04-21T10:37:33Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2007-04-
dc.identifier.citationMICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.49, no.4, pp.812 - 817-
dc.identifier.issn0895-2477-
dc.identifier.urihttp://hdl.handle.net/10203/4050-
dc.description.abstractA CMOS wideband variable gain amplifier (VGA) with an exponential gain control characteristic is presented. The exponential gain control function is realized by changing the tail currents a differential gain stage. The bandwidth is extended by using an inductive peaking technique. The gain (in dB) of the VGA is varied linearly from -41 dB to 31 dB with respect to a control voltage from 1.38 V to 1.1 V. The bandwidth of the proposed VGA is larger than 1 GHz with a gain control range of 72 dB. A DC offset cancellation loop is included so as to avoid amplification of the DC offset. The VGA is powered by 1. 8 V with 13.5 mA. The VGA chip occupies an area of 220 mu m X 620 mu m. (c) 2007 Wiley Periodicals, Inc.-
dc.description.sponsorshipThis work was supported by the Korea Science and Engineering Foundation (KOSEF) under the Engineering Research Center (ERC) program through the Intelligent Radio Engineering Center (IREC) at the Information and Communications University in the Republic of Korea.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherJOHN WILEY & SONS INC-
dc.subjectVARIABLE GAIN AMPLIFIER-
dc.titleA CMOS wideband linear-in-dB VGA for UWB applications-
dc.typeArticle-
dc.identifier.wosid000244964500023-
dc.identifier.scopusid2-s2.0-34047228823-
dc.type.rimsART-
dc.citation.volume49-
dc.citation.issue4-
dc.citation.beginningpage812-
dc.citation.endingpage817-
dc.citation.publicationnameMICROWAVE AND OPTICAL TECHNOLOGY LETTERS-
dc.identifier.doi10.1002/mop.22278-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorHong, Songcheol-
dc.contributor.nonIdAuthorLee, Hui Dong-
dc.contributor.nonIdAuthorLee, Kyung-Ai-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorCMOS variable gain amplifier-
dc.subject.keywordAuthorGilbert cell-
dc.subject.keywordAuthorlinear-in-dB control-
dc.subject.keywordAuthorvariable gain amplifier (VGA)-
dc.subject.keywordAuthorwideband-
dc.subject.keywordPlusVARIABLE GAIN AMPLIFIER-
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