Series combination of a switched dc-dc converter and a linear regulator for high frequency RF envelope amplifier

García Suárez, Oscar ORCID: https://orcid.org/0000-0001-6042-3855, Vasic, Miroslav ORCID: https://orcid.org/0000-0001-9597-6409, Alou Cervera, Pedro ORCID: https://orcid.org/0000-0002-2985-1330, Oliver Ramírez, Jesús Angel ORCID: https://orcid.org/0000-0002-5286-5378, Díaz López, Daniel, Cheng, Pengming and Cobos Márquez, José Antonio ORCID: https://orcid.org/0000-0003-4542-2656 (2011). Series combination of a switched dc-dc converter and a linear regulator for high frequency RF envelope amplifier. En: "Proceedings XXVI Simposio de la URSI (Unión Científica Internacional de Radio)", 07/09/2011 - 09/09/2011, Leganés (Spain). pp. 1-8.

Descripción

Título: Series combination of a switched dc-dc converter and a linear regulator for high frequency RF envelope amplifier
Autor/es:
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: Proceedings XXVI Simposio de la URSI (Unión Científica Internacional de Radio)
Fechas del Evento: 07/09/2011 - 09/09/2011
Lugar del Evento: Leganés (Spain)
Título del Libro: XXVI Simposio de la URSI (Unión Científica Internacional de Radio)
Fecha: 2011
Materias:
ODS:
Escuela: E.T.S.I. Industriales (UPM)
Departamento: Automática, Ingeniería Electrónica e Informática Industrial [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

Texto completo

[thumbnail of garcia_INVE_MEM_2011_112077.pdf]
Vista Previa
PDF (Portable Document Format) - Se necesita un visor de ficheros PDF, como GSview, Xpdf o Adobe Acrobat Reader
Descargar (711kB) | Vista Previa

Resumen

Classical linear amplifiers such as A, AB and B offer very good linearity suitable for RF power amplifiers. However, its inherent low efficiency limits its use especially in base-stations that manage tens or hundreds of Watts. The use of linearization techniques such as Envelope Elimination and Restoration (EER) allow an increase of efficiency keeping good linearity. This technique requires a very fast dc-dc power converter to provide variable voltage supply to the power amplifier. In this paper, several alternatives are analyzed to implement the envelope amplifier based on a cascade association of a switched dc-dc converter and a linear regulator. A simplified version of this approach is also suitable to operate with Envelope Tracking technique.

Más información

ID de Registro: 13365
Identificador DC: https://oa.upm.es/13365/
Identificador OAI: oai:oa.upm.es:13365
Depositado por: Memoria Investigacion
Depositado el: 25 Feb 2013 12:43
Ultima Modificación: 21 Abr 2016 12:41