Quadrature direct digital frequency synthesizers using interpolation-based angle rotation

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dc.contributor.authorSong, Yko
dc.contributor.authorKim, Bko
dc.date.accessioned2013-03-06T04:59:49Z-
dc.date.available2013-03-06T04:59:49Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2004-
dc.identifier.citationIEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS, v.12, no.7, pp.701 - 710-
dc.identifier.issn1063-8210-
dc.identifier.urihttp://hdl.handle.net/10203/85878-
dc.description.abstractThis paper describes a quadrature direct digital frequency synthesizer (QDDFS) architecture based on a new phase-to-sine conversion technique. The proposed technique uses polynomial interpolation and rotational transformation in a fine/coarse approach, achieving high-resolution output with a wide spurious-free dynamic range (SFDR). The QDDFS with this technique requires small-sized lookup tables and a simple computational engine. The fine/coarse decomposition significantly reduces the size of required lookup tables, and the polynomial interpolation enables accurate approximation of cosine and sine values. Two prototype QDDFS ICs were fabricated in 0.35-mum CMOS. The final prototype IC produces 16-b cosine and sine outputs with a spectral purity greater than 100-dB. It has a frequency tuning resolution of 0.03-Hz at a 150-MHz sampling rate and consumes 350-mW with a 3.0-V power supply.-
dc.languageEnglish-
dc.publisherIEEE-Inst Electrical Electronics Engineers Inc-
dc.titleQuadrature direct digital frequency synthesizers using interpolation-based angle rotation-
dc.typeArticle-
dc.identifier.wosid000222449600007-
dc.identifier.scopusid2-s2.0-3142708594-
dc.type.rimsART-
dc.citation.volume12-
dc.citation.issue7-
dc.citation.beginningpage701-
dc.citation.endingpage710-
dc.citation.publicationnameIEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS-
dc.contributor.localauthorKim, B-
dc.contributor.nonIdAuthorSong, Y-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorCMOS digital integrated circuits-
dc.subject.keywordAuthordirect digital synthesis-
dc.subject.keywordAuthordigital signal processing (DSP) chips-
dc.subject.keywordAuthorfrequency synthesizers-
dc.subject.keywordAuthorinterpolation-
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