Now showing items 21-40 of 108

    • 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 ...
    • Comparison between complementary split ring resonators and electromagnetic band-gap as EMI reduction structures 

      Gil Galí, Ignacio; Fernández García, Raúl (2010-05-10)
      Conference report
      Restricted access - publisher's policy
      In this work a comparison between complementary split ring resonators (CSRRs) and Electromagnetic Band-Gaps (EBGs) in terms of EMI filter performance is developed. Results show a similar EMI rejection level in both cases ...
    • Conductive polyaniline-coated poly(p-phenylenetere phthamide) yarn-reinforced multiaxial composites for electromagnetic shielding 

      Hong, Jianhan; Hu, Chengye; Jin, Lihua; Han, Xiao; Yao, Juming; Gil Galí, Ignacio (2019-10-21)
      Article
      Open Access
      Poly(p-phenylenetere phthamide) fiber is a high-performance synthetic fiber whose reinforced composites are widely used for their advantages of high strength and lightweight. However, the further potential usage of ...
    • Contribution to conducted EMI reduction in multiconverter topology 

      Mon González, Juan; González Díez, David; Gago Barrio, Javier; Balcells Sendra, Josep; Fernández García, Raúl; Gil Galí, Ignacio (2009-11)
      Conference report
      Open Access
      This paper contributes to the conducted EMI reduction generated by switched power converters operating in multiconverter arrangement. The EMI reduction is achieved by means of the combination of two techniques: interleaving ...
    • Crosstalk characterization of fabrics elaborated with conductive yarns 

      Fernández García, Raúl; Gil Galí, Ignacio; Cano Casas, Francesc; Parés Sabatés, Ferran (2016)
      Conference report
      Open Access
      The electrical characterization of crosstalk of fabrics elaborated with conductive yarns is investigated. The impact of the source, victim and ground traces location is reported. The experimental results show that the ...
    • Design of a 20 GHz DPI method for SOIC8 

      Land, S.O.; Perdriau, R.; Ramdani, M.; Gil Galí, Ignacio; Lafon, F. (2012)
      Conference report
      Open Access
      The direct power injection (DPI) test defined in IEC 62132-4 measures the conducted immunity of integrated circuits (ICs) up to 1 GHz. As the frequency of functional and interference signals is increasing, we would like ...
    • Design of tri-Notched UWB antenna based on elliptical and circular ring resonators 

      Ur, Saeed; Cao, Qunsheng; Li, You; Gil Galí, Ignacio; Yi, Wan (2018-12-18)
      Article
      Open Access
      This article presents the design of a compact coplanar waveguide (CPW) fed Monopole Antenna for ultra-wideband (UWB) applications. The semi-circular shaped radiator is fed with a 50-O line that resonates within the UWB ...
    • Design of wideband beamforming metasurface with alternate absorption 

      Ur Rahman, Saeed; Cao, QUNSHENG; Gil Galí, Ignacio; Sajjad, Muhammad; Yi Wang, And (Institute of Electrical and Electronics Engineers (IEEE), 2020-01-14)
      Article
      Open Access
      In this paper, we propose a periodic structure that is capable of alternating between absorption and radiation mode. The designed periodic structure consists of an array of 6×6 square shaped unit cell. Each unit cell ...
    • Differential and common-mode filters based on metamaterial resonators 

      Gil Galí, Ignacio; Fernández García, Raúl (2013)
      Conference lecture
      Open Access
      Two different techniques based on metamaterials for mitigating both the differential and common-mode propagation in differential signaling are addressed. The proposed filters are implemented by means of complementary ...
    • Differential- and common-mode radiofrequency interference filters based on complementary split ring resonators: a conduction and radiation impact analysis 

      Gil Galí, Ignacio; Fernández García, Raúl (2015-01-22)
      Article
      Open Access
      This paper aims to analyse the design techniques of differential transmission lines loaded with metamaterials. Specifically, complementary split-ring resonators were etched on the ground plane of a microstrip transmission ...
    • Diseño de cabezales de RF para aplicaciones wireless de bajo consumo 

      Gil Galí, Ignacio (2010)
      Conference report
      Restricted access - publisher's policy
      principales bloques constituyentes de cabezales de radiofrecuencia con la finalidad de reducir el consumo de receptores en sistemas electrónicos de consumo. Concretamente, se ha implementado una configuración de amplificador ...
    • E-Textile embroidered metamaterial transmission line for signal propagation control 

      Moradi, Bahareh; Fernández García, Raúl; Gil Galí, Ignacio (2018-06-05)
      Article
      Open Access
      In this paper, the utilization of common fabrics for the manufacturing of e-textile metamaterial transmission lines is investigated. In order to filter and control the signal propagation in the ultra-high frequency (UHF) ...
    • Effect of bending on a textile UHF-RFID tag antenna 

      El Bakkali, Mohamed; Martínez Estrada, Marc; Fernández García, Raúl; Gil Galí, Ignacio; El Mrabet, Otman
      Conference report
      Restricted access - publisher's policy
      In this paper, a textile UHF-RFID tag antenna at 915 MHz based on a T-match dipole loaded with circular patch on a felt fabric substrate is presented and discussed. In addition, the bending impact on the read range is ...
    • Effect of smart textile metamaterials on electromagnetic performance for wireless body area network systems 

      Moradi, Bahareh; Fernández García, Raúl; Gil Galí, Ignacio (2018-09-30)
      Article
      Open Access
      In this work, the utilization of different textile materials for manufacturing of metamaterial with the aim of controlling the signal propagation in smart textile applications is investigated. The performance of composite ...
    • Effects of the fabric substrate on performance and durability of textile-embroidered dipole antennas 

      Ventura Casellas, Heura; Parés Sabatés, Ferran; Fernández García, Raúl; Gil Galí, Ignacio; Ardanuy Raso, Mònica (2021-05-27)
      Article
      Open Access
      In this work, several fabrics with different composition and structure have been used as the substrate for the production of wearable textile-embroidered dipole antennas. The performance of the antennas has been determined ...
    • Electromagnetic compatibility of CMOS circuits along the lifetime 

      Fernández García, Raúl; Ruiz, José María; Gil Galí, Ignacio; Morata Cariñena, Marta (2011)
      Conference lecture
      Open Access
      The continuous scaling of CMOS circuits has set the MOSFET transistor in the nanoelectronic era. In this context, the functionality and complexity of integrated circuits (ICs) are growing up. However, the operation voltage ...
    • Electromagnetic emission analysis of a multiband EMI filter based on sub-wavelength resonators 

      Ruiz Torrejón, José María; Gil Galí, Ignacio; Morata Cariñena, Marta (The Electromagnetics Academy., 2006)
      Conference lecture
      Open Access
      In this paper the electromagnetic emission of sub-wavelength EMI filter based on SRR and CSRR resonator has been analysed by means of near E and H fields simulation with the FDTD SEMCAD® software. The target bands are ...
    • Electromagnetic interference reduction in printed circuit boards by using metamaterials: a conduction and radiation impact analysis 

      Gil Galí, Ignacio; Fernández García, Raúl (2013-12-24)
      Article
      Open Access
      This work aims to compare the implementation of two metamaterials for reducing electromagnetic interference (EMI) in printed circuit boards. Specifically, complementary split-ring resonators (CSRRs) and electromagnetic ...
    • ELECTRONICA ANALOGICA (Examen 2n Quadr.) 

      Gil Galí, Ignacio (Universitat Politècnica de Catalunya, 2009-06-03)
      Exam
      Restricted access to the UPC academic community
    • ELECTRÒNICA ANALÒGICA (Examen 1r quadrimestre, 1r parcial) 

      Gil Galí, Ignacio (Universitat Politècnica de Catalunya, 2012-11-06)
      Exam
      Restricted access to the UPC academic community