Ara es mostren els items 1-20 de 46

  • 3Cat-1: a multi-payload Cubesat-based scientific and technology demonstrator 

    Jové Casulleras, Roger; Camps Carmona, Adriano José; Ramos Castro, Juan José; Alarcón Cot, Eduardo José; Bou Balust, Elisenda; Carreño Luengo, Hugo; Amézaga Sarries, Adrià; Olivé Muñiz, Roger; Vidal Mateu, David; Muñoz Martin, Joan Francesc; Araguz López, Carles; Marí Barceló, Marc; Ortega Villasclaras, Pablo Rafael; Pons Nin, Joan; Gorreta Mariné, Sergio; Domínguez Pumar, Manuel; Iannazzo Soteras, Mario Enrique (European Spatial Agengy (ESA), 2014)
    Comunicació de congrés
    Accés obert
  • 3Cat-1 project: a multi-payload CubeSat for scientific experiments and technology demonstrators 

    Jové Casulleras, Roger; Araguz López, Carles; Via Ortega, Pol; Solanellas Bofarull, Arnau; Amézaga Sarries, Adrià; Vidal Mateu, David; Muñoz Martin, Joan Francesc; Marí Barceló, Marc; Olivé Muñiz, Roger; Sáez Hernández, Alberto; Jané Abad, Jaume; Bou Balust, Elisenda; Iannazzo Soteras, Mario Enrique; Gorreta Mariné, Sergio; Ortega Villasclaras, Pablo Rafael; Pons Nin, Joan; Domínguez Pumar, Manuel; Alarcón Cot, Eduardo José; Ramos Castro, Juan José; Camps Carmona, Adriano José (2017)
    Article
    Accés obert
    This article introduces 3 Cat-1, the first project of the Technical University of Catalonia to build and launch a nano-satellite. Its main scope is to develop, construct, assemble, test and launch into a low Earth orbit a ...
  • A crosstalk latch circuit design 

    Rubio Sola, Jose Antonio; Pons Nin, Joan; Anglada, Raimon (Institute of Electrical and Electronics Engineers (IEEE), 1990)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    A D-latch sequential circuit design is presented that exhibits an elevated degree of tolerance to common and differential mode noise in the clock lines. The circuit tolerates noise voltages in the clock signals in the range ...
  • Activation of different MEMS resonant modes with pulsed digital oscillators 

    Domínguez Pumar, Manuel; Blokhina, Elena; Pons Nin, Joan; Feely, Orla; Sanchez Rojas, Jose Luis (Springer Verlag, 2010)
    Text en actes de congrés
    Accés obert
    The objective of this work is to show that is possible to excite different vibration modes of MEMS resonators using Pulsed Digital Oscillators. This class of circuits exhibit two different behaviours: the oscillation and ...
  • A CubeSAT payload for in-situ monitoring of pentacene degradation due to atomic oxygen etching in LEO 

    Gorreta Mariné, Sergio; Pons Nin, Joan; López Rodríguez, Gema; Figueras, Eduard; Jové Casulleras, Roger; Araguz López, Carles; Via Ortega, Pol; Camps Carmona, Adriano José; Domínguez Pumar, Manuel (2016-09-01)
    Article
    Accés obert
    This paper reports and discusses the design and ground tests of a CubeSat payload which allows to measure, in-situ and in real time, the degradation of a polymer of electronic interest due to atomic oxygen etching in LEO. ...
  • Adaptación de una asignatura de electronica digital a la semipresencialidad y al Espacio Europeo de Educación Superior 

    Bermejo Broto, Sandra; Chávez Domínguez, Juan Antonio; Domínguez Pumar, Manuel; Pons Nin, Joan (2010)
    Text en actes de congrés
    Accés obert
    Este trabajo describe y analiza la evolución del formato semipresencial de la asignatura Sistemas Digitales 1, inicialmente impartida dentro de una titulación de segundo ciclo y actualmente adaptada al EEES e impartida ...
  • Análisis de la corriente de emisor en dispositivos bipolares avanzados 

    Pons Nin, Joan (Universitat Politècnica de Catalunya, 1995-06-09)
    Tesi
    Accés obert
    Este trabajo se enmarca en el área de dispositivos semiconductores, siendo su propósito concreto el realizar una aportación original a los estudios teóricos relativos al transporte de portadores en las regiones de silicio ...
  • A novel Σ-Δ pulsed digital oscillator (PDO) for MEMS 

    Domínguez Pumar, Manuel; Pons Nin, Joan; Ricart Campos, Jordi; Bermejo Pelayo, Agustin; Figueras Costa, Eduardo (IEEE, 2005-12)
    Article
    Accés obert
    A novel digital oscillator topology for microelectromechanical systems (MEMS) based on bandpass sigma–delta modulation is presented. Short pulses of force of the same amplitude maintain the oscillation and the associated ...
  • A Second-order delta-sigma control of dielectric charge for contactless capacitive MEMS 

    Gorreta Mariné, Sergio; Pons Nin, Joan; Blokhina, Elena; Domínguez Pumar, Manuel (2015-04-01)
    Article
    Accés obert
    This letter introduces a new second-order delta-sigma method for controlling the dielectric charge in contactless capacitive microelectromechanical systems. This method improves the one previously proposed by the authors, ...
  • Characterization method of the dynamics of the trapped charge in contactless capacitive MEMS 

    Gorreta Mariné, Sergio; Pons Nin, Joan; Domínguez Pumar, Manuel; Blokhina, Elena; Feely, Orla (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Dielectric charging of insulating films in microelectromechanical systems (MEMS) has a crucial effect on the operation of those devices. A new method is presented in order to characterize the dynamics of the charge trapped ...
  • Characterization of dielectric charging in MEMS using Diffusive Representation 

    Atienza García, María Teresa; Gorreta Mariné, Sergio; Pons Nin, Joan; Domínguez Pumar, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2016-09-22)
    Article
    Accés obert
  • 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
    Accés obert
    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. ...
  • Charge trapping control in MOS capacitors 

    Domínguez Pumar, Manuel; Bheesayagari, Chenna Reddy; Gorreta Mariné, Sergio; López Rodríguez, Gema; Martín García, Isidro; Blokhina, Elena; Pons Nin, Joan (Institute of Electrical and Electronics Engineers (IEEE), 2016-12-26)
    Article
    Accés obert
    This paper presents an active control of C-V characteristic for MOS capacitors based on Sliding Mode control and sigma-delta-modulation. The capacitance of the device at a certain voltage is measured periodically and ...
  • Circuit modeling of a MEMS varactor including dielectric charging dynamics 

    Giounanlis, Panagiotis; Andrade Miceli, Dennis; Gorreta Mariné, Sergio; Pons Nin, Joan; Domínguez Pumar, Manuel; Blokhina, Elena (Institute of Physics (IOP), 2016-06-01)
    Article
    Accés obert
    Electrical models for MEMS varactors including the effect of dielectric charging dynamics are not available in commercial circuit simulators. In this paper a circuit model using lumped ideal elements available in the Cadence ...
  • Closed-loop compensation of charge trapping induced by ionizing radiation in MOS capacitors 

    Domínguez Pumar, Manuel; Bheesayagari, Chenna Reddy; Gorreta Mariné, Sergio; Lopez Chavez, G.; Pons Nin, Joan (Institute of Electrical and Electronics Engineers (IEEE), 2017-08-31)
    Article
    Accés obert
    The objective of this work is to explore the capability of a charge trapping control loop to continuously compensate charge induced by ionizing radiation in the dielectric of MOS capacitors. To this effect, two devices ...
  • Closed-loop compensation of dielectric charge induced by ionizing radiation 

    Domínguez Pumar, Manuel; Gorreta Mariné, Sergio; Pons Nin, Joan; Gomez Rodriguez, Faustino; Gonzalez Castaño, Diego; Muschitiello, Michele (2015-06-01)
    Article
    Accés obert
    This letter investigates the capability of dielectric charge control loops to cope with charge induced by ionizing radiation. To this effect, an microelectromechanical systems (MEMS) variable capacitor has been irradiated ...
  • Control of MEMS vibration modes with pulsed digital Oscillators. Part II: simulation and experimental results 

    Domínguez Pumar, Manuel; Ricart Campos, Jordi; Pons Nin, Joan; Blokhina, Elena; Gorreta, Sergi; Hernando, Jorge; Manzaneque, Tomas; Sanchez Rojas, Jose Luis; Feely, Orla (2010-08)
    Article
    Accés obert
    This paper extends our previous work on the selective excitation of mechanical vibration modes in MEMS devices using pulsed digital oscillators (PDOs). It begins by presenting extensive simulation results using the set ...
  • Control of MEMS vibration modes with pulsed digital oscillators: part I—theory 

    Blokhina, Elena; Pons Nin, Joan; Ricart Campos, Jordi; Feely, Orla; Domínguez Pumar, Manuel (2010-08)
    Article
    Accés obert
    The aim of this paper is to show that it is possible to excite selectively different mechanical resonant modes of a MEMS structure using pulsed digital oscillators (PDOs). This can be done by simply changing the working ...
  • Converses sobre disseny digital: dubtes a l'hora de fer una simulació 

    Altet Sanahujes, Josep; Rubio Sola, Jose Antonio; Bardés Llorensí, Daniel; Calderer Cardona, Josep; Pons Nin, Joan; Mateo Peña, Diego; Martín, Isidro (Departament d'Enginyeria Electrònica, 2016-10-25)
    Audiovisual
    Accés obert
  • Delfos, un recurs interactiu per l'estudi de dispositius electrònics 

    Calderer Cardona, Josep; Prat Viñas, Lluís; Jiménez Serres, Vicente; Pons Nin, Joan (Universitat de Barcelona. Edicions i Publicacions, 2006)
    Text en actes de congrés
    Accés obert
    Es presenta un programa interactiu per a un curs bàsic de dispositius semiconductors suportat per ordinador personal. Els destinataris primers són els alumnes de la titulació de segon cicle en Enginyeria Electrònica de la ...