Wide dynamic range variable-gain amplifier based on new approximated exponential equation

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dc.contributor.authorDuong, QHko
dc.contributor.authorLee, Sang-Gugko
dc.date.accessioned2013-03-06T13:32:56Z-
dc.date.available2013-03-06T13:32:56Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2006-11-
dc.identifier.citationELECTRONICS LETTERS, v.42, pp.1319 - 1320-
dc.identifier.issn0013-5194-
dc.identifier.urihttp://hdl.handle.net/10203/87120-
dc.description.abstractA new approximated exponential equation is proposed, which offers a wide decibel linear range for use in many applications such as exponential converters, log-domain fill ters, variable gain amplifiers (VGAs), automatic gain control amplifiers, etc. The proposed equation is implemented into a circuit as a two-stage VGA, which is fabricated in 0.18 mu m CMOS technology and offers a gain range of 90 dB (-54-36 dB) and about 82 dB with linearity error of less than +/- 1:1 dB. The 3 dB bandwidth is 50 MHz at a maximum gain of 36 dB and P I dB is from -40 to -17 dBm. The power dissipation is 3.7 mA from a 1.8 V supply. The chip, excluding bond pads, occupies 0.34 mm(2).-
dc.languageEnglish-
dc.publisherINST ENGINEERING TECHNOLOGY-IET-
dc.titleWide dynamic range variable-gain amplifier based on new approximated exponential equation-
dc.typeArticle-
dc.identifier.wosid000242653800001-
dc.identifier.scopusid2-s2.0-33750927677-
dc.type.rimsART-
dc.citation.volume42-
dc.citation.beginningpage1319-
dc.citation.endingpage1320-
dc.citation.publicationnameELECTRONICS LETTERS-
dc.identifier.doi10.1049/el:20062482-
dc.contributor.localauthorLee, Sang-Gug-
dc.contributor.nonIdAuthorDuong, QH-
dc.type.journalArticleArticle-
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