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A study on 11 MHz-1537 MHz DCO using tri-state inverter for DAB application

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dc.contributor.authorJeon, B.-G.-
dc.contributor.authorMoon, Y.-
dc.contributor.authorAhn, T.-W.-
dc.date.available2019-04-10T11:03:50Z-
dc.date.created2018-04-17-
dc.date.issued2009-
dc.identifier.isbn9781424445479-
dc.identifier.urihttp://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/33440-
dc.description.abstractDigitally Controlled Oscillator (DCO) for Digital Audio Broadcasting (DAB) is proposed using 0.18 μm CMOS process parameters with 1.8 V supply voltage. In this paper, the proposed DCO consist of tri-state inverter array and calibration block. Tri-state inverter array is 5-stage ring oscillator and each stage has 160 tri-state inverters. Calibration block is composed of 64 NMOS pass transistors and 64 Metal-Insulator-Metal (MIM) capacitors with different values. The proposed DCO has the frequency tuning range from 10.5088 MHz to 1537.32 MHz by controlling 800 tri-state inverters. BAND-III (174.928 MHz ∼ 239.200 MHz) and L-BAND (1452.960 MHz ∼ 1492.624 MHz) are synthesized for DAB application. In order to synthesize channel frequency for DAB system, tri-state inverter array that adjusts frequency coarsely and calibration block that adjusts frequency finely have to work together and both of them are controlled by 6-bit digital word. So the proposed DCO could tune frequencies of 64 channels for DAB accurately. It has simulated phase noise of -114.93 dBc/Hz at 1MHz offset and power consumption of 3.28 mW at 174.928 MHz. And it has simulated phase noise of -106.35 dBc/Hz at 1MHz offset and power consumption of 25.77 mW at 1490.624 MHz. ©2009 IEEE.-
dc.relation.isPartOfIEEE Region 10 Annual International Conference, Proceedings/TENCON-
dc.titleA study on 11 MHz-1537 MHz DCO using tri-state inverter for DAB application-
dc.typeConference-
dc.identifier.doi10.1109/TENCON.2009.5395955-
dc.type.rimsCONF-
dc.identifier.bibliographicCitation2009 IEEE Region 10 Conference, TENCON 2009-
dc.description.journalClass2-
dc.identifier.scopusid2-s2.0-77951114176-
dc.citation.conferenceDate2009-11-23-
dc.citation.conferencePlaceSingapore-
dc.citation.title2009 IEEE Region 10 Conference, TENCON 2009-
dc.contributor.affiliatedAuthorMoon, Y.-
dc.type.docTypeConference Paper-
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