Browsing by Author "Fernández García, Raúl"
Now showing items 41-60 of 103
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DISPOSITIUS ELECTRÒNICS (Examen 2n Quadr.)
Fernández García, Raúl (Universitat Politècnica de Catalunya, 2009-03-30)
Exam
Restricted access to the UPC academic community -
E-Textile embroidered metamaterial transmission line for signal propagation control
Moradi, Bahareh; Fernández García, Raúl; Gil Galí, Ignacio (2018-06-05)
Article
Open AccessIn 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 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 AccessIn 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 ... -
Electromagnetic compatibility of CMOS circuits along the lifetime
Fernández García, Raúl; Ruiz, José María; Gil Galí, Ignacio; Morata Cariñena, Marta (2011)
Conference lecture
Open AccessThe 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 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 AccessThis 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 ... -
Embroidered electrode impedance for polyester and cotton textile substrates
Logothetis, Irini; Fernández García, Raúl; Troynikov, Olga; Dabnichki, Peter; Pirogova, Elena; Gil Galí, Ignacio (2019)
Conference report
Restricted access - publisher's policyMeasuring electrical activity in the human body is vital for monitoring of patients and medical diagnostics. For accurate measurements, the design of biomedical electrodes is important. Bioelectrical impedance analysis ... -
Embroidered electrodes for bioelectrical impedance analysis: impact of surface area and stitch parameters
Logothetis, Irini; Fernández García, Raúl; Troynikov, Olga; Dabnichki, Peter; Pirogova, Elena; Gil Galí, Ignacio (2019-07-15)
Article
Open AccessA non-intrusive particle sizing method with a high spatial distribution is used to estimate cloud droplet spectra during flight test campaigns. The interferometric laser imaging for droplet sizing (ILIDS) method derives ... -
Embroidered metamaterial antenna for optimized performance on wearable applications
Gil Galí, Ignacio; Seager, Rob; Fernández García, Raúl (2018-08-16)
Article
Open AccessIn this work, an embroidered metamaterial monopole antenna based on a split ring resonator electromagnetic bandgap shielding structure is designed, simulated, and tested. This work investigates the impact of different types ... -
Embroidery manufacturing techniques for textile dipole antenna applied to wireless body area network
Gil Galí, Ignacio; Fernández García, Raúl; Tornero García, José Antonio (2018-04-17)
Article
Open AccessThis paper addresses the design, simulation, manufacturing and experimental test of textile dipole antennas based on advanced embroidery techniques. The proposed dipoles are intended to operate at the 2.45 GHz industrial ... -
Embroidery textile moisture sensor
Martínez Estrada, Marc; Moradi, Bahareh; Fernández García, Raúl; Gil Galí, Ignacio (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-21)
Article
Open Access -
EMC filter based on complementary split-ring resonators for audio applications
Gil Galí, Ignacio; Fernández García, Raúl; Pous Solà, Marc; Silva Martínez, Fernando (2009-11)
Conference lecture
Open AccessFilters based on complementary split-ring resonators present a large notch attenuation at the resonant frequency. An application of these very low cost filters to an audio system interfered by a mobile phone is presented ... -
EMISSORS I RECEPTORS (Examen 2n quadrimestre, 2n parcial)
Gil Galí, Ignacio; Fernández García, Raúl (Universitat Politècnica de Catalunya, 2012-06-18)
Exam
Restricted access to the UPC academic community -
EMISSORS I RECEPTORS (Examen 2n quadrimestre, 2n parcial)
Gil Galí, Ignacio; Fernández García, Raúl (Universitat Politècnica de Catalunya, 2012-06-18)
Exam
Restricted access to the UPC academic community -
EMISSORS I RECEPTORS (Examne 2n quadrimestre, 1r parcial)
Gil Galí, Ignacio; Fernández García, Raúl (Universitat Politècnica de Catalunya, 2012-04-10)
Exam
Restricted access to the UPC academic community -
EQUIPS I SISTEMES ACUSTICS I DE VIDEO (Examen 2n Quadr.)
Fernández García, Raúl (Universitat Politècnica de Catalunya, 2009-03-30)
Exam
Restricted access to the UPC academic community -
Evaluation of high definition digital video signal over coaxial transmission lines
Fernández García, Raúl; Gil Galí, Ignacio (2016)
Conference lecture
Open AccessIn this paper, the propagation of two different digital video transmission standards have been evaluated over fifteen different coaxial cables. The frequency dependence of the attenuation for each cable and the maximum ... -
Evaluation of operational amplifier immunity by means of Weibull distribution
Fernández García, Raúl; Gil Galí, Ignacio (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Open AccessThe immunity of operational amplifiers is a trend topic for electromagnetic compatibility EMC community. Radiofrequency interference is usually applied to the operation amplifier and the voltage offset is monitored ... -
Experimental analysis of fabric substrate on a moisture sensor
Martínez Estrada, Marc; Fernández García, Raúl; Gil Galí, Ignacio (2020-06-15)
Article
Open AccessIn this work, an embroidered textile moisture sensor is proposed and characterized with three different fabric substrates. The sensors are based on a capacitive interdigitated structure embroidered on a textile substrate ... -
Experimental Characterization of NBTI Effect on pMOSFET and CMOS Inverter
Fernández García, Raúl; Kaczer, Ben; Gago Barrio, Javier; Rodríguez, Rosana; Nafría Maqueda, Montserrat (2009-02)
Conference lecture
Open Access -
Experimental evaluation of electrical properties of fabrics elaborated with conductive yarns
Fernández García, Raúl; Gil Galí, Ignacio; Cano Casas, Francesc (2015-12-14)
Article
Open AccessIn this paper, the electrical characterization of two different fabric structures elaborated with conductive yarns and several pick densities are investigated in order to evaluate their electrical properties as conductive ...