Ara es mostren els items 1-20 de 45

    • 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. ...
    • A low-power RF front-end for 2.5 GHz receivers 

      Moreno Boronat, Lidia Ana; Gómez, D; González Jiménez, José Luis; Mateo Peña, Diego; Aragonès Cervera, Xavier; Berenguer, R; Solar, H (Institute of Electrical and Electronics Engineers (IEEE), 2008)
      Text en actes de congrés
      Accés obert
      This paper presents a low power and low cost front end for a direct conversion 2.5 GHz ISM band receiver composed of a 16 kV HBM ESD protected LNA, differential Gilbert-cell mixers, and high-pass filters for DC offset ...
    • 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
    • Characterization of the substrate noise spectrum for mixed-signal ICs 

      Méndez Villegas, Miguel Ángel; Mateo Peña, Diego; Rubio Sola, Jose Antonio; González Jiménez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2005)
      Text en actes de congrés
      Accés obert
      This paper presents a simplified analytical model of the substrate noise generated by digital circuitry that captures the most relevant frequency domain characteristics and relates them with parameters of the digital circuit ...
    • 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 Sola, Jose Antonio; Altet Sanahujes, Josep; Aragonès Cervera, Xavier; González Jiménez, José Luis; Mateo Peña, Diego; Moll Echeto, Francisco de Borja (Edicions UPC, 2000)
      Llibre
      Accés restringit a la comunitat UPC
      La tecnología de circuitos integrados, basada principalmente en la miniaturización de los circuitos -con el incremento de prestaciones y la fuerte reducción de costos consiguientes– ha evolucionado intensamente en los ...