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Repositorio de la Universidad de Oviedo. > Producción Bibliográfica de UniOvi: RECOPILA > Artículos >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10651/6860

Title: Mismatch-Error Shaping-Based Digital Multiphase Modulator
Author(s): Rodríguez González, Miguel
Fernández Miaja, Pablo
Sebastián Zúñiga, Francisco Javier
Maksimovic, Dragan
Issue date: 2012
Publisher version: http://dx.doi.org/10.1109/TPEL.2011.2168612
Citation: IEEE Transactions on Power Electronics, 27(4), p. 2055-2066 (2012); doi:10.1109/TPEL.2011.2168612
Format extent: p. 2055-2066
Abstract: This paper introduces a digital multiphase modulator (MPM) using mismatch-error shaping techniques based on a digital-to-analog converter view of multiphase power converters. The proposed modulator has relatively simple implementation requiring no explicit pulsewidth modulation and generates control pulses for any number of phases using a single, low-frequency clock. Advantages and disadvantages of the mismatch-error shaping MPM are examined through analysis, simulations, and experimental results. The proposed MPM is particularly well suited for multilevel envelope-tracking amplifiers supplying power to linear RF power amplifiers. Results are shown for an experimental eight-phase buck converter in an envelope-tracking application
URI: http://hdl.handle.net/10651/6860
ISSN: 0885-8993
Local identifier: 20120312
Appears in Collections:Artículos

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