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Ara es mostren els items 45-64 de 109

    • El transmisor sostenible 

      Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Bertran Albertí, Eduardo; Berenguer Sau, Jordi (2011-03-01)
      Article
      Accés obert

    • Envelope amplifier based on a hybrid series converter with the slow-envelope technique 

      Cheng, P. M.; Garcia, O.; Vasic, M.; Alou, P.; Oliver, J. A.; Montoro López, Gabriel; Cobos, J. A. (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      High frequency dc-dc switching converters are used as envelope amplifiers in RF transmitters. The dc-dc converter should operate at very high frequency to track an envelope in the MHz range to supply the power amplifier. ...

    • Envelope tracking amplification with reduced slew-rate and bandwidth envelopes 

      Vizarreta Paz, Pedro Pablo; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; Bertran Albertí, Eduardo; Berenguer Sau, Jordi; Gelonch Bosch, Antonio José; García, José Angel (Unión Científica Internacional de Radio, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...

    • Examen final 

      Sales Zaragozá, Vicente; Montoro López, Gabriel (Universitat Politècnica de Catalunya, 2018-06-05)
      Examen
      Accés restringit a la comunitat UPC

    • Examen final 

      García Lozano, Mario; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Pérez Díaz de Cerio, David; Rodríguez Gómez, Alejandro Antonio; Spadaro, Salvatore; Tarrés Ruiz, Francisco (Universitat Politècnica de Catalunya, 2018-06-08)
      Examen
      Accés restringit a la comunitat UPC

    • Examen final 

      García Lozano, Mario; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Pérez Díaz de Cerio, David; Rodríguez Gómez, Alejandro Antonio; Spadaro, Salvatore; Tarrés Ruiz, Francisco (Universitat Politècnica de Catalunya, 2019-01-08)
      Examen
      Accés restringit a la comunitat UPC

    • Examen MQ 

      García Lozano, Mario; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Pérez Díaz de Cerio, David; Rodríguez Gómez, Alejandro Antonio; Spadaro, Salvatore; Tarrés Ruiz, Francisco (Universitat Politècnica de Catalunya, 2018-04-09)
      Examen
      Accés restringit a la comunitat UPC

    • Examen MQ 

      García Lozano, Mario; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Pérez Díaz de Cerio, David; Rodríguez Gómez, Alejandro Antonio; Spadaro, Salvatore; Tarrés Ruiz, Francisco (Universitat Politècnica de Catalunya, 2018-11-07)
      Examen
      Accés restringit a la comunitat UPC

    • FPGA implementation of an LMS-based real-time adaptive predistorter for power amplifiers 

      Gilabert Pinal, Pere Lluís; Bertran Albertí, Eduardo; Montoro López, Gabriel; Berenguer Sau, Jordi (2009)
      Text en actes de congrés
      Accés obert

    • FPGA implementation of memory-based digital predistorters with high-level synthesis 

      Li, Wantao; Guillena Berenguer, Estefanía; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a scalable look-up table (LUT) architecture for implementing digital predistortion (DPD) linearizers in a field programmable gate array (FPGA) by using the high-level synthesis (HLS) software. This ...

    • FPGA-based set-up for RF power amplifier dynamic Supply with real-time digital adaptive predistortion 

      Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Bertran Albertí, Eduardo; García García, José Angel (IEEE Press and Wiley, 2010)
      Comunicació de congrés
      Accés obert

    • GPU versus FPGA implementation of a digital predistortion linearizer for wideband radiofrequency power amplifiers 

      Li, Wantao; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (Elsevier, 2024-01)
      Article
      Accés obert
      This paper presents and compares the implementation of a digital predistortion (DPD) linearizer for radiofrequency power amplifiers (PAs) considering two different hardware acceleration platforms. Both graphics processing ...

    • Heuristic algorithms for power amplifier behavioral modeling 

      Gilabert Pinal, Pere Lluís; Silveira, Daniel D.; Montoro López, Gabriel; Gadringer, Michael E.; Bertran Albertí, Eduardo (Institute of Electrical and Electronics Engineers (IEEE), 2007-10)
      Article
      Accés obert
      This letter presents the use of two heuristic search algorithms, named simulated annealing and genetic algorithms, for the extraction of power amplifier (PA) behavioral model parameters. Their application in this letter ...

    • Highly efficient transmitter architectures 

      Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; García García, José Angel (Cambridge University Press, 2014-10-01)
      Capítol de llibre
      Accés restringit per política de l'editorial

    • Hybrid envelope amplifier for envelope tracking power amplifier transmitters 

      Vizarreta Paz, Pedro Pablo; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents an envelope tracking (ET) Power Amplifier (PA) whose architecture includes an efficient Envelope Amplifier (EA) and a bandwidth reduction algorithm suitable for real time applications. The EA consists ...

    • Implementación de un transmisor LINC en un procesador FPGA 

      Vizarreta Paz, Pedro Pablo; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Berenguer Sau, Jordi (2011)
      Text en actes de congrés
      Accés obert

    • Implementation issues in FPGA-controlled polar transmitters 

      Gilabert Pinal, Pere Lluís; Cabria, Lorena; García, José Angel; Montoro López, Gabriel; Bertran Albertí, Eduardo (2010)
      Text en actes de congrés
      Accés obert

    • Improvement of Up-converters linearity for Ka-band operation 

      Bertran Albertí, Eduardo; Berenguer Sau, Jordi; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; Cidronali, Alessandro (2007-12)
      Comunicació de congrés
      Accés obert
      The application of a digital predistorter to the linearisation of a Ka-band mixer is presented herein. The general objective in the TX design is to get the best trade-off between linearity and costs. This require the most ...

    • Improvements and analysis of nonlinear parallel behavioral models 

      Silveira, Daniel D.; Gilabert Pinal, Pere Lluís; Lavrador, P.M.; Pedro, J.C.; Gadringer, Michael E.; Montoro López, Gabriel; Bertran Albertí, Eduardo; Magerl, G. (2009-09)
      Article
      Accés obert

    • Incremental behavioral modeling of envelope-dependent nonlinear distortion in dynamic supply power amplifiers 

      Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; Vizarreta Paz, Pedro Pablo (Unión Científica Internacional de Radio, 2011)
      Text en actes de congrés
      Accés obert
      This paper presents behavioral modeling of an envelope tracking (ET) power amplifier (PA) excited by an slewrate limited envelope. In order to relax the slew-rate requirements of current efficient envelope amplifiers ...