Exploració per autor "Fernández García, Raúl"Més informacióMés informació

Ara es mostren els items 93-112 de 137

    • Judo ukemis: a tool for protecting the health and quality of life of children. Safe fall-safe school 

      del Castillo Andrés, Oscar; Campos Mesa, Maria del Carmen; Castañeda Vázquez, Carolina; Fernández García, Raúl; Genovesi, E.; Krstulovic, S.; Kuvacic, G.; Lira, Miguel Angel; Morvay Sei, K.; Pastor Vicedo, Juan Carlos; Toronjo Hornillo, L. (University of Zagreb, 2023)
      Text en actes de congrés
      Accés obert

    • Meander microwave bandpass filter on a flexible textile substrate 

      Moradi, Bahareh; Fernández García, Raúl; Gil Galí, Ignacio (2018-12-21)
      Article
      Accés obert
      This paper presents an alternative process to fabricate flexible bandpass filters by using an embroidered yarn conductor on an electronic textile. The novelty of the proposed miniaturized filter is its complete integration ...

    • Measurement of the environmental broadband electromagnetic waves in a mid-size European city 

      Fernández García, Raúl; Gil Galí, Ignacio (2017-07-26)
      Article
      Accés obert
      In this paper, the level of exposure to broadband radiofrequency electromagnetic field in a mid-size European city was evaluated in accordance with the International Commission on Non-ionizing Radiation Protection guidelines ...

    • Microwave resonators for wearable sensors design: a systematic review 

      Royo Roig, Iris; Fernández García, Raúl; Gil Galí, Ignacio (Multidisciplinary Digital Publishing Institute (MDPI), 2023-11-10)
      Article
      Accés obert
      The field of flexible electronics is undergoing an exponential evolution due to the demand of the industry for wearable devices, wireless communication devices and networks, healthcare sensing devices and the technology ...

    • Modeling technique of the conducted emission of integrated circuit under different temperatures 

      Berbel Artal, Néstor; Fernández García, Raúl; Gil Galí, Ignacio (2015)
      Article
      Accés obert
      In this paper the temperature impact on conducted emissions of ICs up to 3 GHz has been analyzed. The electromagnetic conducted emissions of a commercial IC clock generator have been characterized and modelled from 293 K ...

    • Modeling tunable band-pass filters based on RF-MEMS metamaterials 

      Morata Cariñena, Marta; Gil Galí, Ignacio; Fernández García, Raúl (2011-02-01)
      Article
      Accés obert
      This work describes progress toward designing and modeling reconfigurable band-pass filters based on RF microelectromechanical systems (RF-MEMS) metamaterials. A device consisting of a coplanar waveguide structure that ...

    • Modelling and experimental verification of the impact of negative bias temperature instability on CMOS inverter 

      Berbel Artal, Néstor; Fernández García, Raúl; Gil Galí, Ignacio (2009-10)
      Comunicació de congrés
      Accés obert
      The effects of negative bias temperature instability (NBTI) on the performance of a CMOS inverter have been investigated by means of both simulation and experimental methods. The simulation of NBTI effects on CMOS inverter ...

    • Modulation technique to reduce EMI in power multiconverters 

      Mon González, Juan; Gago Barrio, Javier; González Díez, David; Balcells Sendra, Josep; Fernández García, Raúl; Bogónez Franco, Francisco; Gil Galí, Ignacio (2009-04-05)
      Article
      Accés obert
      A new technique to reduce EMI in modular power multiconverters is described. The technique is based on a combination of switching frequency modulation and a variable delay between communication signals of the single ...

    • Multiband EMI filter based on metamaterials 

      Gil Galí, Ignacio; Fernández García, Raúl; Gago Barrio, Javier; Balcells Sendra, Josep (2010-05-10)
      Article
      Accés obert
      A novel compact multiband microstrip EMI filter based on metamaterials is presented. The filter is implemented by means of split-rings resonators and complementary spiral sub-wavelength resonators, conveniently coupled to ...

    • Mutual coupling reduction in a textile ultra-wide band MIMO antenna 

      Yilmazer, Nuri; El Gharbi, Mariam; Fernández García, Raúl; Gil Galí, Ignacio (Taylor & Francis Group, 2023-06-05)
      Article
      Accés restringit per política de l'editorial
      This paper presents a mutual coupling reduction technique in a textile ultra-wideband (UWB) multiple-input–multiple-output (MIMO) antenna system implemented on a textile substrate. The compact textile UWB MIMO antenna ...

    • Optimized passive devices for low-power LNA design 

      Gil Galí, Ignacio; Fernández García, Raúl; Sieiro, Javier; López-Villegas, José María (2010)
      Text en actes de congrés
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      This paper addresses the design of high-Q passive inductors and differential transformers in a low-power lownoise amplifier (LNA) application. The passives quality in resonant LC tanks as well as in the matching network ...

    • Parametric design of stop band pass filter based on RF metamaterials in LTCC technology 

      Morata Cariñena, Marta; Gil Galí, Ignacio; Fernández García, Raúl (2012)
      Comunicació de congrés
      Accés obert
      This paper presents a novel approach to design a parametric RF stop band pass ¯lter based on Low Temperature Co-¯red Ceramic (LTCC) Technology. The LTCC technology enables to miniaturize and development compact structures ...

    • Parametric design of stop-band-filter based on RF metamaterials in LTCC technology 

      Morata Cariñena, Marta; Gil Galí, Ignacio; Fernández García, Raúl (2012)
      Comunicació de congrés
      Accés obert
      This paper presents a novel approach to design a parametric RF stop band pass filter based on Low Temperature Cofired Ceramic (LTCC) Technology. The LTCC technology enables to miniaturize and ...

    • Potenciació de l’ús dels recursos del campus ATENEA per a l’autoaprenentatge i el suport a la docència en les assignatures de circuits i dispositius electrònics 

      Fernández García, Raúl; Gil Galí, Ignacio; Ferrer Arnau, Luis Jorge; Gago Barrio, Javier; Berbel Artal, Néstor (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
      Text en actes de congrés / Comunicació de congrés
      Accés obert
      Tradicionalment, les assignatures relacionades amb l’anàlisi de circuits i dispositius electrònics son assignatures que presenten un baix rendiment acadèmic en comparació a d’altres. Es a dir, el percentatge d’alumnes ...

    • Potenciación del aprendizaje autónomo en electrónica analógica mediante el simulador Multisim 

      Gil Galí, Ignacio; Fernández García, Raúl (2010-06-30)
      Text en actes de congrés
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      In this work, an experience based in the use of electronic circuit’s simulation tools is proposed, in order to promote the independent student learning on the field of the analog electronics teaching. The proposal considers ...

    • Una proposta d'utilització de la plataforma educativa Moodle en circuits i dispositiu electrònics 

      Fernández García, Raúl; Gil Galí, Ignacio (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-06)
      Comunicació de congrés
      Accés obert
      Es presenta una proposta que utilitza la plataforma Moodle com a eina addicional per a l'ensenyament de circuits i dispositius electrònics. L'ús dels recursos disponibles a Moodle permet una avaluació i un seguiment continu ...

    • Radiofrequency interferece filters design based on complementary split rings resonators 

      Pérez, Daniel; Gil Galí, Ignacio; Fernández García, Raúl (2012)
      Comunicació de congrés
      Accés obert
      Low frequency analog and digital electronic circuits are susceptible to radiofre- quency interference (RFI). This disturbance is produced when the coupled RF signal is recti¯ed by the non-linear behavior of the semiconductors ...

    • Radiofrequency interference filters design based on complementary split rings resonators 

      Pérez Robles, Daniel; Gil Galí, Ignacio; Fernández García, Raúl (2012)
      Comunicació de congrés
      Accés obert
      Low frequency analog and digital electronic circuits are susceptible to radiofrequency interference (RFI). This disturbance is produced when the coupled RF signal is rectified by the nonlinear behavior of the semiconductors ...

    • Reconfigurable RF-MEMS Metamaterials Filters 

      Gil Galí, Ignacio; Morata Cariñena, Marta; Fernández García, Raúl; Rottenberg, Xavier; De Raedt, Walter (2011)
      Comunicació de congrés
      Accés obert
      In this work, the design procedure, modelling and implementation of recon¯gurable ¯lters based on RF microelectromechanical systems metamaterials is presented. Speci¯cally, tunable stop-band and pass-band frequency ...

    • Reduction of electromagnetic interference susceptibility in small-signal analog circuits using complementary split-ring resonators 

      Pérez Robles, Daniel; Gil Galí, Ignacio; Gago Barrio, Javier; Fernández García, Raúl; Balcells Sendra, Josep; González Díez, David; Berbel Artal, Néstor; Mon González, Juan (IEEE, 2012-02-10)
      Article
      Accés obert
      Low-frequency analog and digital electronic circuits are susceptible to electromagnetic interference in the radiofrequency (RF) range. This disturbance is produced when the coupled RF signal is rectified by the nonlinear ...