Envelope tracking amplification with reduced slew-rate and bandwidth envelopes

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RECERCAT Home > Universitat Politècnica de Catalunya > Documents de recerca > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2117/18079

dc.contributor	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. CMC - Control, Monitorització i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. GRCM - Grup de Recerca en Comunicacions Mòbils
dc.contributor.author	Vizarreta Paz, Pedro Pablo
dc.contributor.author	Montoro López, Gabriel
dc.contributor.author	Gilabert Pinal, Pere Lluís
dc.contributor.author	Bertran Albertí, Eduardo
dc.contributor.author	Berenguer Sau, Jordi
dc.contributor.author	Gelonch Bosch, Antonio José
dc.contributor.author	García, José Angel
dc.date	2012
dc.identifier.citation	Vizarreta, P. [et al.]. Envelope tracking amplification with reduced slew-rate and bandwidth envelopes. A: Simposium Nacional de la Unión Científica Internacional de Radio. "XXVII Simposium Nacional de la Unión Científica Internacional de Radio: libro de actas". Elche: Unión Científica Internacional de Radio, 2012.
dc.identifier.citation	978-84-695-4327-6
dc.identifier.citation	MU 717-2012
dc.identifier.uri	http://hdl.handle.net/2117/18079
dc.language.iso	eng
dc.publisher	Unión Científica Internacional de Radio
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Circuits de microones, radiofreqüència i ones mil·limètriques
dc.subject	Power amplifiers
dc.subject	Microwaves
dc.subject	Amplificadors de potència
dc.subject	Microones
dc.title	Envelope tracking amplification with reduced slew-rate and bandwidth envelopes
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	This paper presents an Envelope Tracking Pow- er Amplifier whose architecture includes a Hybrid Envelope Amplifier (HEA) and an algorithm to adapt the envelope’s characteristics to the HEA’s limitations. The HEA attempts to combine the high efficiency of a switched amplifier with the wide band capabilities of a linear amplifier. A modified Slew Rate (SR) reduction algorithm cope with the bandwidth and SR limitations of the HEA. On the other hand, the non-linearities introduced by this Envelope Amplifier (EA) and by the dynamic supply are compensated using Digital Pre-Distortion. Results show that these non-linearities are compensable and that the architecture offers higher efficiency figures compared to the conventional linear EA
dc.description.abstract	Peer Reviewed

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