Browsing by Subject "Díodes"

Now showing items 1-20 of 26

    • 2 transistors + 2 diodes-based PEBB designed for general applications in power electronics 

      Nicolás Apruzzese, Joan; Rocabert Delgado, Joan; Bordonau Farrerons, José; Busquets Monge, Sergio; Alepuz Menéndez, Salvador; Martínez Velasco, Juan Antonio; Peracaula Roura, Joan (2009)
      Conference lecture
      Open Access
      This paper presents a new Power Electronic Building Block (PEBB) designed to facilitate the implementation of different power converter topologies. The proposed PEBB consists of two diodes and two transistors and it can ...

    • Beam-combining scheme of high-power broad-area semiconductor lasers with Lyot-filtered reinjection: modeling, simulations, and experiments 

      Brée, Carsten; Raab, Volker; Montiel Ponsoda, Joan; Staliunas, Kestutis; Garre Werner, Guillermo (2019-07-01)
      Article
      Open Access
      A brightness- and power-scalable polarization beam-combining scheme for high-power, broad-area semiconduc-tor laser diodes is investigated numerically and experimentally. To achieve the beam combining, we employ Lyot-filtered ...

    • Caracterización de diodos láser tipo Distributed Feedback 

      Guzman Torres, Carlos (Universitat Politècnica de Catalunya, 2011-06-30)
      Bachelor thesis
      Open Access

    • Carrier selective contact characterization using work function bender buffer layers 

      Capella Guardià, Francesc Xavier (Universitat Politècnica de Catalunya, 2022-06)
      Bachelor thesis
      Open Access
      2D materials emerge with a promising future for optoelectronics. First reported in 2011, MXenes have excellent properties such as metallic-like conductivity and high transmittance, thus, they can be used as transparent ...

    • Cooperative precoding for multi-user visible light communications with imperfect channel knowledge 

      San, Guillermo (Universitat Politècnica de Catalunya, 2018-07-02)
      Bachelor thesis
      Restricted access - confidentiality agreement

    • Design and implementation of a radio wake up reciber 

      Vila Bagaria, David (Universitat Politècnica de Catalunya, 2018-06)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Wi-Fi is the facto standard protocol for most indoor personal communication devices. Despite this, its usage in IoT solutions is limited, mainly due to the high cost and elevated power consumption of Wi-Fi transceivers. ...

    • Design for aluminium extrusion 

      Rego Navarro, Aitor (Universitat Politècnica de Catalunya, 2016-02)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Nottingham Trent University
      This report is about the design of an aluminium extruded product. The chosen product is an aluminium handrail which incorporates LED technology in order to light a space, as well to display interactive icons or colours ...

    • Design of minimum nonlinear distortion reconfigurable antennas for next-generation communication systems 

      Ramírez Arroyave, Germán Augusto; Barlabe Dalmau, Antoni; Pradell i Cara, Lluís; Araque Araque, Javier Leonardo; Cetiner, Bedri Artug; Jofre Roca, Lluís (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-01)
      Part of book or chapter of book
      Open Access
      Nonlinear effects in the radio front-end can degrade communication quality and system performance. In this paper we present a new design technique for reconfigurable antennas that minimizes the nonlinear distortion and ...

    • Diseño de luminaria Indoor con tecnología LED y con control DALI 

      Bono Segura, Manuel (Universitat Politècnica de Catalunya, 2016)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement

    • Diseño de una luminaria led 

      Iciar del Río, Abril (Universitat Politècnica de Catalunya, 2017-09)
      Bachelor thesis
      Open Access
      Este trabajo está enfocado al proceso de diseño y la fabricación de una luminaria LED para uso en ambientes de exterior. La realización de este proyecto se realiza en Vecxa Lighting S.L. en su totalidad. Básicamente el ...

    • Estudio de la reconstrucción del perfil espacial del haz en láseres de diodos de alta potencia 

      Aguado Arumi, Carlos (Universitat Politècnica de Catalunya, 2018-09-10)
      Bachelor thesis
      Open Access
      El presente trabajo tiene como objetivo principal diseñar, automatizar e implementar un método para la caracterización de perfiles espaciales de haces de luz, emitidos por láseres de diodo de alta potencia. Mediante medidas ...

    • Experimental study of the neuron-like dynamics of a semiconductor laser with optical feedback and current modulation 

      Tiana Alsina, Jordi; Quintero Quiroz, Carlos Alberto; Masoller Alonso, Cristina (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2020)
      Conference report
      Open Access
      Excitable lasers that mimic neuronal activity can be building blocks of ultra-fast neuro-inspired information processing systems, which can revolutionize the fields of optical signal processing, optical computing and ...

    • Extraction of an avalanche diode noise model for its application as on-wafer noise source 

      Maya Sánchez, Mª del Carmen; Lázaro Guillén, Antoni; Pradell i Cara, Lluís (JOHN WILEY & SONS INC, 2003-07-31)
      Article
      Open Access
      This paper presents a method to characterize the excess noise ratio (ENR) of an unmatched avalanche noise diode for application as an on-wafer noise source. It is based on the determination of a broadband device noise ...

    • Interchain and intrachain emission branching in polymer light-emitting diode doped by organic molecules 

      Krautz, D.; Lunedei, E.; Puigdollers i González, Joaquim; Badenes, Gonçal; Alcubilla González, Ramón; Cheylan, Stephanie (2010-01-18)
      Article
      Open Access
      A blend of the polymer poly 2- 2-ethylhexyloxy -5-methoxy-1,4-phenylenevinylene MEH-PPV and the electron-transport molecule tris- 8-hydroxyquinoline aluminum Alq3 has been investigated by means of electroluminescence ...

    • Optical scattering in Phosphor-Converted LEDs 

      Segura García, Daniel (Universitat Politècnica de Catalunya, 2015-05)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement

    • Portable multispectral imaging system based on light-emitting diodes for spectral recovery from 370 to 1630 nm 

      Herrera Ramírez, Jorge Alexis; Vilaseca Ricart, Meritxell; Pujol Ramo, Jaume (2014-05-10)
      Article
      Open Access
      To expand and investigate the potential of spectral imaging, we developed a portable multispectral system using light-emitting diodes. This system recovers spectral information from the UV to the near IR over a large area ...

    • Reforma de l’enllumenat d’un club de pàdel 

      Abadia Obis, Marc (Universitat Politècnica de Catalunya, 2019-05-22)
      Bachelor thesis
      Open Access
      El present projecte planteja la reforma de la instal·lació d’enllumenat d’un club de pàdel. El principal objectiu és canviar les lluminàries de descàrrega per tecnologia LED. Per tal de mostrar el procediment sobre u ...

    • SiC Schottky diode electrothermal macromodel 

      Masana Nadal, Francisco (2010)
      Conference report
      Open Access
      This paper presents a SiC Schottky diode model including static, dynamic and thermal features implemented as separate parameterized blocks constructed from SPICE Analog Behavioral Modeling (ABM) controlled sources. The ...

    • Solar module emulator based on a low-cost microcontroller 

      Boucharef,, Abdelkadir; Tahri, Ali; Tahri, Fatima; Silvestre Bergés, Santiago; Bourahla, Mohamed (2022-01-03)
      Article
      Open Access
      The aim of this paper is to present an experimental analysis of a solar module emulator based on a low-cost microcontroller. An Arduino low-cost microcontroller is used to mimic several solar module technologies with high ...

    • Spectrally tunable light source based on light-emitting diodes for custom lighting solutions 

      Burgos Fernández, Francisco Javier; Vilaseca Ricart, Meritxell; Perales Romero, Esther; Herrera Ramírez, Jorge Alexis; Martínez Verdú, Francisco Miguel; Pujol Ramo, Jaume (2016-05-06)
      Article
      Open Access
      This study describes a novel spectral LED-based tunable light source used for customized lighting solutions, especially for the reconstruction of CIE (Commission Internationale de l’Éclairage) standard illuminants. ...