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Please use this identifier to cite or link to this item: http://hdl.handle.net/10651/30485

Title: Buck derived converters based on gallium nitride devices for Envelope Tracking applications
Author(s): Fernández Miaja, Pablo
Rodríguez Alonso, Alberto
Sebastián Zúñiga, Francisco Javier
Keywords: DC-DC power conversion
Gallium compounds
Microwave power amplifiers
Issue date: 2015
Publisher version: http://dx.doi.org/10.1109/TPEL.2014.2326046
Citation: IEEE Transactions on Power Electronics, 30(4), p. 2084-2095 (2015); doi:10.1109/TPEL.2014.2326046
Format extent: p. 2084-2095
Abstract: Envelope tracking (ET) is a technique designed to enhance the efficiency of radio frequency power amplifiers (RF PA). It is based on providing the voltage to the RF PA with variations that mimic the shape of the envelope of the communication signal that the RF PA is processing. As the bandwidth of these signals can be around several megahertz, the switching frequency of the switching mode power supply designed for ET applications has to be very high. The good switching characteristics of Gallium Nitride devices makes them suitable for this application. This paper presents two multiphase converters to be used as envelope modulators in envelope tracking applications
URI: http://hdl.handle.net/10651/30485
ISSN: 0885-8993
Appears in Collections:Artículos
Ingeniería Eléctrica, Electrónica, de Computadores y Sistemas

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