A Triple-Power-Mode Digital Polar CMOS RF Power Amplifier With LO Duty Cycle Control

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dc.contributor.authorChoi, Hyunseokko
dc.contributor.authorLee, Dong-Hoko
dc.contributor.authorHong, Songcheolko
dc.date.accessioned2016-11-09T06:27:22Z-
dc.date.available2016-11-09T06:27:22Z-
dc.date.created2016-10-27-
dc.date.created2016-10-27-
dc.date.issued2016-09-
dc.identifier.citationIEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, v.26, no.9, pp.702 - 704-
dc.identifier.issn1531-1309-
dc.identifier.urihttp://hdl.handle.net/10203/213869-
dc.description.abstractA triple-power-mode digital polar CMOS power amplifier (DPA) with a high dynamic range is presented. The triple-power-mode to enhance the efficiency when operating under back-off power is facilitated by the combination of a switched output transformer to change the load impedance and a reduced duty cycle of the LO input signal of the DPA for additional back-off power. This static power-mode method for the low-power region can be used with a DPA which has a high dynamic range in conjunction with a digitally controlled bias generator. An improvement in the PAE from 14.5% to 28.7% is achieved at a back-off power of 6.5 dB from a peak output power of 21.54 dBm at 1.7 GHz. A digital transmit power control (TPC) range of 68.2 dB for WCDMA is realized without any external components-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.titleA Triple-Power-Mode Digital Polar CMOS RF Power Amplifier With LO Duty Cycle Control-
dc.typeArticle-
dc.identifier.wosid000384067100020-
dc.identifier.scopusid2-s2.0-84983605361-
dc.type.rimsART-
dc.citation.volume26-
dc.citation.issue9-
dc.citation.beginningpage702-
dc.citation.endingpage704-
dc.citation.publicationnameIEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS-
dc.identifier.doi10.1109/LMWC.2016.2597187-
dc.contributor.localauthorHong, Songcheol-
dc.contributor.nonIdAuthorChoi, Hyunseok-
dc.contributor.nonIdAuthorLee, Dong-Ho-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorCMOS RF power amplifier-
dc.subject.keywordAuthordigital polar power amplifier-
dc.subject.keywordAuthorhigh dynamic range-
dc.subject.keywordAuthorLO duty cycle control-
dc.subject.keywordAuthortransmit power control-
dc.subject.keywordAuthortriple power mode-
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