Ara es mostren els items 1-20 de 39

  • A 16-kV HBM RF ESD Protection Codesign for a 1-mW CMOS Direct Conversion Receiver Operating in the 2.4-GHz ISM Band 

    González Jiménez, José Luis; Solar, H.; Adin, Iñigo; Mateo Peña, Diego; Berenguer, Roc (2011-09)
    Article
    Accés restringit per política de l'editorial
    A decreasing-sized π -model electrostatic discharge (ESD) protection structure is presented and applied to protect against ESD stresses at the RF input pad of an ultra-low power CMOS front-end operating in the 2.4-GHz ...
  • A 56-GHz LC-Tank VCO With 17% tuning range in 65-nm bulk CMOS for wireless HDMI 

    González Jiménez, José Luis; Badets, Franck; Martineau, Baudouin; Belot, Didier (2010-03-25)
    Article
    Accés obert
    A voltage-controlled oscillator (VCO) with a central frequency of 56 GHz and a 17% tuning range is presented. The oscillation frequency is tuned both by an analog input and by a 3-bit digital control bus using the same ...
  • A 75 pJ/bit All-Digital Quadrature Coherent IR-UWB Transceiver in 0.18 um CMOS 

    Barajas Ojeda, Enrique; Gómez Salinas, Dídac; Mateo Peña, Diego; González Jiménez, José Luis (2010-05-23)
    Text en actes de congrés
    Accés obert
    In this paper a 75 pJ/b all-digital quadrature coherent impulse radio ultra-wideband transceiver in 0.18 μm CMOS is presented. It consumes 42 mW operating at a 560 Mbps datarate. The receiver and transmitter share most ...
  • A compact noise model for carbon nanotube FETs 

    Landauer, Gerhard Martin; González Jiménez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper focuses on the development of a compact noise model for radiofrequency (RF) carbon nanotube field-effect transistors (CNFET). The noise mechanisms in these devices are discussed and the impact of the different ...
  • A comparison between grounded and floating shield inductors for mmW VCOs 

    González Jiménez, José Luis; Aragonès Cervera, Xavier; Molina Garcia, Marc Manel; Martineau, Baudouin; Belot, Didier (2010)
    Text en actes de congrés
    Accés obert
    A floating-shield inductor implemented in CMOS process is compared with a conventional patterned ground shield inductor for the implementation of a LC voltage controlled oscillator (VCO) operating at mmW frequencies. ...
  • An accurate and Verilog-A compatible compact model for graphene field-effect transistors 

    Landauer, Gerhard Martin; González Jiménez, José Luis; Jiménez Jiménez, David (2014-06-04)
    Article
    Accés restringit per política de l'editorial
    The present paper provides an accurate drift-diffusion model of the graphene field-effect transistor (GFET). A precise yet mathematically simple current-voltage relation is derived by focusing on device physics at energy ...
  • Asynchronous pulse logic cell for threshold logic and Boolean networks 

    Lambie, J; Moll Echeto, Francisco de Borja; González Jiménez, José Luis; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2005)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In this article, a fully digital CMOS circuit for asynchronous pulse cells is presented. The proposed circuit has a high noise tolerance and no static power consumption. Furthermore it has a high functional programmability. ...
  • Behavioural modelling of DLLs for fast simulation and optimisation of jitter and power consumption 

    Barajas Ojeda, Enrique; Mateo Peña, Diego; González Jiménez, José Luis (IEEE Computer Society Publications, 2010)
    Text en actes de congrés
    Accés obert
    This paper presents a behavioural model for fast DLL simulations. The behavioural model includes a modelling of the various noise sources in the DLL that produce output jitter. The model is used to obtain the dependence ...
  • Carbon nanotube FET process variability and noise model for radiofrequency investigations 

    Landauer, Gerhard Martin; González Jiménez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This work focuses on process variability and noise in carbon nanotube field-effect transistors (CNFET) to obtain a compact model usable for radiofrequency (RF) design and simulations. CNFET figures of merit (FoM) are ...
  • CATRENE-PANAMA project review June 2010 

    González Jiménez, José Luis; Dufis, Cédric Yvan (2010-06-03)
    Report de recerca
    Accés restringit per acord de confidencialitat
    Informe de progrés del projecte Europeu CATRENE-PANAMA sobre les tasques desenvolupades per el grup de recerca HiPICS de la UPC
  • CATRENE-PANAMA project review November 2010 

    González Jiménez, José Luis; Dufis, Cédric Yvan (2010-11-23)
    Report de recerca
    Accés restringit per acord de confidencialitat
    Informe de progrés del projecte Europeu CATRENE-PANAMA sobre les tasques desenvolupades per el grup de recerca HiPICS de la UPC
  • CATRENE-PANAMA WP1: integrated PA Milestone M1.3 technology, approach & system choice for home networking 

    Dufis, Cédric Yvan; Mateo Peña, Diego; Bofill, Adrià; González Jiménez, José Luis (2009-10-30)
    Report de recerca
    Accés obert
  • DC temperature measurements to characterize the central frequency and 3 dB bandwidth in mmW power amplifiers 

    Aragonès Cervera, Xavier; Mateo Peña, Diego; González Jiménez, José Luis; Vidal López, Eva María; Gómez Salinas, Didac; Martineau, B; Altet Sanahujes, Josep (2015-11)
    Article
    Accés obert
    This letter shows how a temperature sensor and a simple DC voltage multimeter can be used as instruments to determine the central frequency and 3 dB bandwidth of a 60 GHz linear power amplifier (PA). Compared to previous ...
  • Desenvolupament d'un sistema de comunicacions integrat per part d'estudiants de 2on cicle de l'ETSETB de la Universitat Politècnica de Catalunya 

    González Jiménez, José Luis; Mateo Peña, Diego; Aragonès Cervera, Xavier (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2005-02)
    Text en actes de congrés
    Accés obert
    El projecte ha consistit en el disseny i fabricació d’un circuit integrat que conté un receptor Bluetooth per a xarxes sense fils en una tecnologia CMOS de 0,35 m. Els objectius del projecte eren realitzar una experiència ...
  • Design of a 2.5-GHZ QVCO robust against high frequency substrate noise 

    Molina Garcia, Marc Manel; Gómez Salinas, Dídac; Aragonès Cervera, Xavier; Mateo Peña, Diego; González Jiménez, José Luis (2011-07)
    Article
    Accés restringit per política de l'editorial
    This work presents the design procedure followed to obtain a low-power voltage-controlled oscillator (VCO) robust against high-frequency substrate noise, using as a demonstrator a 2.5 GHz VCO with quadrature outputs (QVCO) ...
  • Design of a wideband class-A power amplifier for wireline communication 

    Dufis, Cédric Yvan; González Jiménez, José Luis (2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper introduce a design review of a wideband Power Amplifier with a 65nm CMOS technology. The Integrated Circuit has to work from 300MHz to 2:5GHz with external components adapted to a specific band. A 2.5D simulation ...
  • Design of injection locked frequency divider in 65nm CMOS technology for mmW applications 

    Brandano, Davide; González Jiménez, José Luis (2010)
    Text en actes de congrés
    Accés obert
    In this paper, an Injection Locking Frequency Divider (ILFD) in 65 nm RF CMOS Technology for applications in millimeter-wave (mm-W) band is presented. The proposed circuit achieves 12.69% of locking range without any ...
  • Diseño de circuitos y sistemas integrados 

    Rubio, Antonio; Altet Sanahujes, Josep; Aragonès Cervera, Xavier; González Jiménez, José Luis; Mateo Peña, Diego; Moll Echeto, Francisco de Borja (Edicions UPC, 2003)
    Llibre
    Accés restringit a la comunitat UPC
    La tecnología de circuitos integrados, basada principalmente en la miniaturización de los circuitos ha evolucionado intensamente en los últimos tiempos. El objetivo de esta obra es dar a conocer esta evolución reciente y ...
  • DLL's behavioral modeling for power consumption and jitter fast optimization 

    Barajas Ojeda, Enrique; Mateo Peña, Diego; González Jiménez, José Luis (2010)
    Text en actes de congrés
    Accés obert
    This paper analyzes the sources of jitter in a DLL and presents a behavioral model for fast DLL optimization. An algorithm to simulate the DLL in open loop is demonstrated. This procedure, together with the behavioral ...
  • Effect of high frequency substrate noise on LC-VCOs 

    Molina Garcia, Marc Manel; Aragonès Cervera, Xavier; Mateo Peña, Diego; González Jiménez, José Luis (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Text en actes de congrés
    Accés obert
    This paper presents an experimental analysis of the performance degradation of an LC-Voltage Controlled Oscillator (LC-VCO) produced by high frequency noise present in the substrate. The spurs observed are shown to be ...