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Adaptive envelope shaping for low and medium power amplifiers with dynamic supply

Abstract: This letter presents an adaptive envelope shaping (AES) method to linearize low and medium power amplifiers (PAs) with dynamic supply. This straightforward linearization solution results very useful for small cell or handset transmitters, where reducing power consumption and computational complexity of the digital part is crucial. With the AES method, there is no need of an a priori characterization of the PA to shape the supply voltage signal targeting maximum linearity. Excellent linearization results are obtained when the PA presents good AM-PM linearity, otherwise, additional phase distortion linearization has to be included to meet the ACLR specifications.

 Autoría: Gilabert P., Montoro G., Ruiz N., García J.,

 Fuente: IEEE Microwave and Wireless Components Letters, 2016, 26(7), 513-515

Editorial: Institute of Electrical and Electronics Engineers Inc.

 Fecha de publicación: 01/07/2016

Nº de páginas: 3

Tipo de publicación: Artículo de Revista

DOI: 10.1109/LMWC.2016.2574825

ISSN: 1531-1309,1558-1764

Proyecto español: TEC2014-58341-C4-01-R ; TEC2014-58341-C4-03-R

Url de la publicación: https://doi.org/10.1109/LMWC.2016.2574825

Autores/as

PERE LLUIS GILABERT PINAL

GABRIEL MONTORO LOPEZ

MARIA DE LAS NIEVES RUIZ LAVIN