Now showing items 1-18 of 18

    • A Modified Charge Pumping Method for Measuring Interface States Up to the Ghz Range 

      Fernández García, Raúl (2009-06-18)
      Article
      Restricted access - publisher's policy
      In this paper we present a modified on-chip charge pumping method for measuring the interface states in ultra-thin gate oxide complementary metal-oxide-semiconductor (CMOS) technology. The proposed method, which characterizes ...
    • A new switching frequency modulation scheme for EMI reduction in multiconverter topology 

      Mon González, Juan; Gago Barrio, Javier; González Díez, David; Balcells Sendra, Josep; Fernández García, Raúl; Gil Galí, Ignacio (2009)
      Conference report
      Open Access
      This paper presents a modulation scheme in order to reduce conducted Electromagnetic Interference (EMI) generated by modular power converters with parallel topology. The proposed scheme is based on a combination of ...
    • An alternative characterization method of PFET sub-threshold slope under NBTI stress 

      Fernández García, Raúl; Gil Galí, Ignacio (2010)
      Conference lecture
      Open Access
      The effects of negative bias temperature instability (NBTI) on the sub-threshold performance of a pFET have been investigated by means of experimental methods. Specifically, the sub-threshold slope under static and dynamic ...
    • Characterization of EMI filters based on metamaterials 

      Gil Galí, Ignacio; Fernández García, Raúl; Vives, Yolanda; Jauregui Tellería, Ricardo; Silva Martínez, Fernando (2009-06)
      Conference lecture
      Open Access
      This paper analyzes the behavior of EMI filters based on metamaterials. The filters are developed by means of sub-wavelength resonators and designed to have notch-type attenuation in the 2.45 GHz band. Two types of filters ...
    • Desenvolupament d'un sistema de control per assaigs de Compatibilitat Electromagnètica: Immunitat radiada i conduïda 

      Solé Lloveras, Jordi (Universitat Politècnica de Catalunya, 2020-05)
      Bachelor thesis
      Open Access
      Each electronic device with commercial purposes within the European Union shall declare the EMC normative compliance. One the requirements consists on assuring that the device continues operating as intended when electromagnetic ...
    • Development of a reference signal source to verify electromagnetic emissions test benches 

      Tamborero Albà, Arnau (Universitat Politècnica de Catalunya, 2020-08)
      Bachelor thesis
      Open Access
      Electromagnetic Compatibility (EMC) laboratories must ensure the quality of the tests they perform. In this regard, periodic calibrations and internal verifications should be carried out systematically to provide evidence ...
    • EMI performance comparison of two-level and three-level inverters in small dc-link capacitors based motor drives 

      Maheshwari, RamKrishan; Munk-Nielsen, Stig; Busquets Monge, Sergio (2012)
      Conference report
      Restricted access - publisher's policy
      The size of passive components in an adjustable speed drive can be reduced by using small dc-link capacitors. The EMI filter in the drive also consists of passive components. The size of the filter can be reduced by using ...
    • EsInterferencias y compatibilidad electromagnética en aeronaves 

      Gines Cosin, David (Universitat Politècnica de Catalunya, 2020-07-15)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Impact of NBTI on EMC behaviours of CMOS inverter 

      Fernández García, Raúl; Berbel Artal, Néstor; Gil Galí, Ignacio; Morata Cariñena, Marta (2010-04-12)
      Conference report
      Restricted access - publisher's policy
      In this paper the Electromagnetic Robustness (EMR) of a CMOS inverter has been analyzed when the pFETs are submitted to negative bias temperature instability (NBTI). The impact of pFET and CMOS inverter has been experimentally ...
    • Martian subsurface sensing using signals of opportunity 

      Puy Contreras, Guillem (Universitat Politècnica de Catalunya, 2018-06)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • NOMA-enabled multi-beam satellite systems: Joint optimization to overcome offered-requested data mismatches 

      Wang, Anyue; Lei, Lei; Lagunas Targarona, Eva; Pérez Neira, Ana Isabel; Chatzinotas, Symeon; Ottersten, Björn (Institute of Electrical and Electronics Engineers (IEEE), 2021-01)
      Article
      Open Access
      Non-Orthogonal Multiple Access (NOMA) has the potentials to improve the performance of multi-beam satellite systems. The performance optimization in satellite-NOMA systems can be different from that in terrestrial-NOMA ...
    • Recent advances in carbon-based polymer nanocomposites for electromagnetic interference shielding 

      Abbasi, Hooman; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (2019-06)
      Article
      Open Access
      Carbon-based nanoparticles have recently generated a great attention, as they could create polymer nanocomposites with enhanced transport properties, overcoming some limitations of electrically-conductive polymers for high ...
    • RF interference analisys in aperture synthesis interferometric radiometers: Application to L-band MIRAS instrument 

      Camps Carmona, Adriano José; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Bará Temes, Francisco Javier; Capdevila Vives, Joan (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-03-31)
      Article
      Open Access
      Current spaceborne radiometers do not achieve the required spatial resolution demanded by the scientific community due to antenna-size technological limitations. In recent years, several space agencies have been studying ...
    • Sistema de control automatizado de una mesa giratoria para ensayos EMC 

      Oliva Sánchez, José Antonio (Universitat Politècnica de Catalunya, 2016-06-07)
      Master thesis (pre-Bologna period)
      Open Access
      The purpose of this project is the development of an angular positioning system that automates the orientation of the equipment under test during the emission and immunity radiated tests, controlling the rotation of the ...
    • Small drives PCB layout for EMC compliance 

      Parera Sánchez, Sergi (Universitat Politècnica de Catalunya, 2019-09-06)
      Master thesis
      Open Access
      Covenantee:   Technische Universität Graz
      This project studies the relevance of following proper design techniques in order to have an EMC compliant PCB for small drives. Small drives usually make use of switching strategies where the highest frequencies involved ...
    • Small drives PCB layout for EMC compliance 

      Parera Sánchez, Sergi (Universitat Politècnica de Catalunya, 2019-09-06)
      Master thesis
      Open Access
      Covenantee:   Technische Universität Graz
      This project studies the relevance of following proper design techniques in order to have an EMC compliant PCB for small drives. Small drives usually make use of switching strategies where the highest frequencies involved ...
    • Statistical evaluation of measurement accuracy in full time-domain EMI measurement systems 

      Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Restricted access - publisher's policy
      FFT-based measuring receivers acquire time-domain data and calculate the spectrum of the interference according to the voltage indication levels of the standard weighting detectors using complex functions and algorithms ...
    • Técnicas de reducción EMI en sistemas multiconvertidor con conexión en paralelo 

      Mon González, Juan; Gago Barrio, Javier; González Díez, David; Balcells Sendra, Josep (Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica (EEL), 2009)
      Conference report
      Open Access
      En el presente artículo se analizan diferentes técnicas para la reducción de las EMI generadas por sistemas multiconvertidor con conexión en paralelo. La reducción de las perturbaciones generadas se logra por medio de la ...