Analysis and Design of Voltage-Controlled Oscillator Based Analog-to-Digital Converter

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dc.contributor.authorKim, Jae-Wookko
dc.contributor.authorJang, Tae-Kwangko
dc.contributor.authorYoon, Young-Gyuko
dc.contributor.authorCho, Seong-Hwanko
dc.date.accessioned2013-03-12T10:05:37Z-
dc.date.available2013-03-12T10:05:37Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2010-01-
dc.identifier.citationIEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS, v.57, no.1, pp.18 - 30-
dc.identifier.issn1549-8328-
dc.identifier.urihttp://hdl.handle.net/10203/101984-
dc.description.abstractA voltage-controlled oscillator (VCO) based analog-to-digital converter (ADC) is a time-based architecture with a first-order noise-shaping property, which can be implemented using a VCO and digital circuits. This paper analyzes the performance of VCO-based ADCs in the presence of nonidealities such as jitter, nonlinearity, mismatch, and the metastability of D flip-flops. Based on this analysis, design criteria for determining parameters for VCO-based ADCs are described. In addition, a digital calibration technique to enhance the spurious-free dynamic range degraded by the nonlinearity is also introduced. To verify the theoretical analysis, a prototype chip is implemented in a 0.13-mu m CMOS process. With a 500-MHz sampling frequency, the prototype achieves a signal-to-noise ratio ranging from 71.8 to 21.3 dB for an input bandwidth of 100 kHz-247 MHz, while dissipating 12.6 mW and occupying an area of 0.078 mm(2).-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.titleAnalysis and Design of Voltage-Controlled Oscillator Based Analog-to-Digital Converter-
dc.typeArticle-
dc.identifier.wosid000208506300001-
dc.identifier.scopusid2-s2.0-77949683996-
dc.type.rimsART-
dc.citation.volume57-
dc.citation.issue1-
dc.citation.beginningpage18-
dc.citation.endingpage30-
dc.citation.publicationnameIEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS-
dc.identifier.doi10.1109/TCSI.2009.2018928-
dc.contributor.localauthorYoon, Young-Gyu-
dc.contributor.localauthorCho, Seong-Hwan-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorAnalog to digital-
dc.subject.keywordAuthoranalog-to-digital converter (ADC)-
dc.subject.keywordAuthoranalysis-
dc.subject.keywordAuthordata converter-
dc.subject.keywordAuthordesign-
dc.subject.keywordAuthordigital calibration-
dc.subject.keywordAuthorfrequency delta-sigma modulator-
dc.subject.keywordAuthornonidealities-
dc.subject.keywordAuthorreconfigurable-
dc.subject.keywordAuthortime based-
dc.subject.keywordAuthorvoltage-controlled oscillator (VCO) quantizer-
dc.subject.keywordAuthorVCO based-
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