Now showing items 1-20 of 59

  • Accurate and wide field of view MEMS-based sun sensor for industrial applications 

    Delgado, Francisco; Quero, J.M.; Garcia Ortega, Juan; López Tarrida, Cristina; Ortega Villasclaras, Pablo Rafael; Bermejo Broto, Sandra (IEEE Press. Institute of Electrical and Electronics Engineers, 2012-02-24)
    Article
    Restricted access - publisher's policy
    This paper describes the design, fabrication, simulation, and experimental results of an improved miniaturized two-axis sun sensor for industrial applications, created by adapting a technology used previously in satellite ...
  • A contactless capacitive angular-position sensor 

    Gasulla Forner, Manuel; Li, Xiujun; Meijer, Gerard C. M.; Van der Ham, Lucas; Spronck, Jo W. (Institute of Electrical and Electronics Engineers, 2003-10)
    Article
    Open Access
    This paper presents an absolute capacitive angular-position sensor with a contactless rotor. The sensor is mainly composed of three parts: the capacitive sensing element, a signal processor, and a microcontroller. The ...
  • A Divide-and-Conquer Approach for Cell Routing using Litho-friendly Layouts 

    Vidal Obiols, Alexandre (Universitat Politècnica de Catalunya, 2013-06-17)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement
  • Advanced failure detection techniques in deep submicron CMOS integrated circuits 

    Rubio Sola, Jose Antonio; Altet Sanahujes, Josep; Mateo Peña, Diego (Pergamon Press, 2009)
    Conference report
    Restricted access - publisher's policy
    The test of present integrated circuits exhibits many confining aspects, among them the adequate selection of the observable variables, the use of combined testing approaches, an each time more restricted controllability ...
  • Analysis of a plasmonic graphene antenna for microelectronic applications 

    Suessrneier, C.; Thiel, F.; Wigger, Anna K.; Bolívar, Peter Haring; Abadal Cavallé, Sergi; Alarcón Cot, Eduardo José; Cabcllos Aparicio, A.; Banszcrus, L.; Stampfer, C.; Lemme, M. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    Graphene offers a large potential to downscale antennas to the micrometer scale, due to its special dispersion relation and its ability to support plasmons in the THz frequency range. For an adequate performance of the ...
  • An output-capacitorless FVF-based low-dropout regulator for power management applications 

    Shirmohammadli, V.; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    This paper presents an output-capacitorless low dropout (LDO) regulator based on improved flipped voltage follower power stage for use in power management circuits. A new error amplifier (EA) structure, named as gain-bandwidth ...
  • A novel sensor-bridge-to-microcontroller interface 

    Custodio Ruiz, Ángel; Bragós Bardia, Ramon; Pallàs Areny, Ramon (Institute of Electrical and Electronics Engineers, 2001-05)
    Conference report
    Open Access
    Sensor bridges are usually interfaced to microcontrollers by supplying the bridge with a voltage or current and digitizing the resulting voltage or current after being amplified and low-pass filtered. This paper proposes ...
  • Biofilm oxygen profiling using an array of microelectrodes on a microfabricated needle 

    Moya, A.; Guimerà Villalba, Xavier; del Campo, F.J.; Prats-Alfonso, E.; Dorado Castaño, Antonio David; Baeza, Mireia; Villa, R.; Gabriel, D.; Gamisans Noguera, Javier; Gabriel, G. (2014)
    Conference lecture
    Open Access
    Knowledge of bacterial activity inside biofilms is key to the optimization of applied biotechnologies. A novel dissolved oxygen microelectrode array (DO-MEA) sensor has been designed and fabricated on a needle using ...
  • Characterization and modeling of organic thin-film transistors based pi-conjugated small molecule tetraphenyldibenzoperiflanthene: effects of channel length 

    Boukhili, W.; Mahdouani, M.; Bourguiga, R.; Puigdollers i González, Joaquim (2016-07-01)
    Article
    Open Access
    P-type organic thin film transistors (OTFTs) with different channel lengths have been fabricated and characterized by thermal evaporation using the small tetraphenyldibenzoperiflanthene (DBP) as an active material on Si/SiO2 ...
  • Charge induced by ionizing radiation understood as a disturbance in a sliding mode control of dielectric charge 

    Domínguez Pumar, Manuel; Gorreta Mariné, Sergio; Pons Nin, Joan; Gomez Rodriguez, Faustino; Gonzalez Castaño, Diego (2015-07-03)
    Article
    Open Access
    The purpose of this paper is to show that the charge induced by radiation in a dielectric on which a sigma–delta control of dielectric charge is implemented, can be seen as a disturbance in a sliding mode controller. ...
  • Circuit per a la detecció del moviment d'objectes de color 

    Capo Fuster, Marc (Universitat Politècnica de Catalunya, 2017-06-15)
    Bachelor thesis
    Open Access
    El treball consisteix a dissenyar i construir un sistema electrònic que detecti la proximitat d’objectes i els seus moviments. El sistema també mostrarà informació sobre els components RGB dels objectes acostats i la ...
  • Cross-talk extraction from mask layout 

    Sicard, E.; Demonchaux, T.; Noullet, J.L.; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 1993)
    Conference report
    Restricted access - publisher's policy
    The principles of an automated cross-talk extractor from the mask-level description of a CMOS integrated circuit are detailed. The physical extraction principles, the techniques for parasitic coupling evaluation and modeling, ...
  • Desarrollo de una plataforma digital basada en FPGA para la corrección de anomalías en transmisores con alimentación dinámica 

    Bisbe Novoa, Sergi (Universitat Politècnica de Catalunya, 2010-07-23)
    Bachelor thesis
    Open Access
  • Desenvolupament d'un sistema basat en microcontrolador PIC per la supervisió preventiva i correctiva de trams de vies. 

    Porta Domínguez, Oscar (Universitat Politècnica de Catalunya, 2008-07-29)
    Master thesis (pre-Bologna period)
    Open Access
    La circulació dels trens a les línies de Metro de Barcelona es automàtica, podent funcionar sense necessitat de que els conductors hagin de prendre decisions durant la circulació del tren. Perquè això sigui possible han ...
  • Design and Characterization of Reliable RF-MEMS 

    Torres Matabosch, Nuria (Universitat Politècnica de Catalunya, 2009-07-07)
    Master thesis (pre-Bologna period)
    Open Access
    This thesis present a SPDT (Single Pole Double Throw) in Ku-Band designed for space applications. It was developed in LAAS-CNRS (Laboratoire d’Analyse et d’Architecture des Systèmes) from February 2009 to July 2009 in ...
  • Design and fabrication of a Planar Diffusion Chamber for bio-chemical applications 

    Pérez Laka, Iván (Universitat Politècnica de Catalunya, 2011-07-13)
    Master thesis (pre-Bologna period)
    Open Access
    English: Diffusion processes of molecules pretend to be the most important tool of communication between nanometric devices, thereby theoretical and practical studies of these processes became essential in the development ...
  • Design of a broadband CMOS RF power amplifier to establish device-circuit aging correlations 

    Barajas Ojeda, Enrique; Mateo Peña, Diego; Aragonès Cervera, Xavier; Crespo Yepes, Albert; Rodríguez Martínez, Rosana; Martin Martínez, Javier; Nafría Maqueda, Montserrat (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Restricted access - publisher's policy
    This paper presents the design of a Broadband CMOS RF Power Amplifier, suitable to be stressed at circuit level but with the possibility to be measured both at circuit and at device level. It allows establishing a relation ...
  • Development of thin films deposited by ALD for c-Si solar cells 

    Pérez Guardia, Javier (Universitat Politècnica de Catalunya, 2017-01)
    Bachelor thesis
    Open Access
    In this work, we have developed thin layers deposited by Atomic Layer Deposition (ALD) technique to be applied in high-efficiency crystalline silicon solar cells. In particular, we selected to study the aluminium oxide ...
  • Development of Vapor Deposition Processes for OLEDs 

    Lungu, Alexandru-Andrei (Universitat Politècnica de Catalunya, 2014-09-28)
    Bachelor thesis
    Open Access
    Covenantee:  Universität Stuttgart
    This bachelor thesis describes the development of vapour deposition processes for the creation of a warm white OLED. An OLED is a layer or a stack of organic materials situated between two electrodes, which emits light ...
  • Dielectric charge control in electrostatic MEMS positioners/varactors 

    Blokhina, Elena; Gorreta, Sergi; Lopez, David; Molinero Giles, David; Feely, Orla; Pons Nin, Joan; Domínguez Pumar, Manuel (2012-06)
    Article
    Restricted access - publisher's policy
    A new dynamical closed-loop method is proposed to control dielectric charging in capacitive microelectromechanical systems (MEMS) positioners/varactors for enhanced reliability and robustness. Instead of adjusting the ...