Recent Submissions

  • Icon

    Design considerations for a low-noise CMOS image sensor  [Presentation]

    González Márquez, Ana; Charlet, Alexandre; Villegas, Alberto; Jiménez Garrido, Francisco José; Medeiro Hidalgo, Fernando; Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito (SPIE- The International Society for Optical Engineering, 2015)
    This paper reports a Low-Noise CMOS Image Sensor. Low-noise operation is achieved owing to the combination of a noise-enhanced ...
  • Icon

    Experimental demonstration of real-time image-processing using a VLSI analog programmable array processor  [Presentation]

    Liñán Cembrano, Gustavo; Domínguez Castro, Rafael; Espejo Meana, Servando Carlos; Roca Moreno, Elisenda; Foldesy, Péter; Rodríguez Vázquez, Ángel Benito (SPIE- The International Society for Optical Engineering, 2000)
    This paper describes a full-custom mixed-signal chip which embeds distributed optical signal acquisition, digitallyprogrammable analog ...
  • Icon

    Experimental verification of chaotic encryption of audio using monolithic chaotic modulators  [Presentation]

    Delgado Restituto, Manuel; Rodríguez Vázquez, Ángel Benito; Liñán Reyes, Matías (SPIE- The International Society for Optical Engineering, 1995)
    This paper reports the first experimental verification of chaotic encryption of audio signals using integrated circuits. ...
  • Icon

    Programmable resolution imager for imaging applications  [Presentation]

    Roca Moreno, Elisenda; Soriano Pastor, Germán; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Liñán Cembrano, Gustavo; Rodríguez Vázquez, Ángel Benito (SPIE- The International Society for Optical Engineering, 2000)
    In this paper a programmable imager with averaging capabilities will be described which is intended for averaging of ...
  • Icon

    Towards a computational approach for collision avoidance with real-world scenes  [Presentation]

    Keil, Matthias Sven; Rodríguez Vázquez, Ángel Benito (SPIE- The International Society for Optical Engineering, 2003)
    In the central nervous systems of animals like pigeons and locusts, neurons were identified which signal objects approaching ...
  • Icon

    A one-transistor-synapse strategy for electrically-programmable massively-parallel analog array processors  [Presentation]

    Domínguez Castro, Rafael; Espejo Meana, Servando Carlos; Rodríguez Vázquez, Ángel Benito; Carmona Galán, Ricardo (Institute of Electrical and Electronics Engineers, 1997)
    This paper presents a linear, four-quadrants, electrically-programmable, one-transistor synapse strategy applicable to the ...
  • Icon

    An error-controlled methodology for approximate hierarchical symbolic analysis  [Presentation]

    Guerra Vinuesa, Oscar; Rodríguez García, Juan D.; Roca Moreno, Elisenda; Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2000)
    Limitations of existing approaches for symbolic analysis of large analog circuits are discussed. To address their solution, ...
  • Icon

    A multiplexed mixed-signal fuzzy architecture  [Presentation]

    Vidal Verdú, Fernando; Navas González, Rafael; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1998)
    Analog circuits provide better area/power efficiency than their digital counterparts for low-medium precision requirements. ...
  • Icon

    A 0.18μm CMOS low-noise elliptic low-pass continuous-time filter  [Presentation]

    Fernández Bootello, Juan Francisco; Delgado Restituto, Manuel; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2005)
    This paper presents a seventh order low-pass continuous-time elliptic filter for use in a high-performance wireline ...
  • Icon

    Tactile retina for slip detection  [Presentation]

    Maldonado López, Rocío; Vidal Verdú, Fernando; Liñán Cembrano, Gustavo; Roca Moreno, Elisenda; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2006)
    The interest in tactile sensors is increasing as their use in complex unstructured environments is demanded, like in ...
  • Icon

    Robust symmetric multiplication for programmable analog VLSI array processing  [Presentation]

    Domínguez Matas, Carlos; Carmona Galán, Ricardo; Sánchez Fernández, Francisco J.; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2006)
    This paper presents an electrically programmable analog multiplier. The circuit performs the multiplication between an ...
  • Icon

    Generation and design of sinusoidal oscillators using OTAS  [Presentation]

    Linares Barranco, Bernabé; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis; Sánchez Sinencio, Edgar; Hoyle, Javier J. (Institute of Electrical and Electronics Engineers, 1988)
    The design of voltage-controlled oscillators (VCOs) using operational transconductance amplifiers (OTAs) is discussed. ...
  • Icon

    Nonlinear time-domain macromodeling of OTA circuits  [Presentation]

    Pérez Verdú, Belén; Cruz Moreno, J.; Linares Barranco, Bernabé; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis; Sánchez Sinencio, Edgar (Institute of Electrical and Electronics Engineers, 1989)
    The authors present an accurate nonlinear macromodel of the operational transconductance amplifier (OTA) which is suitable ...
  • Icon

    OTA-based non-linear function approximations  [Presentation]

    Sánchez Sinencio, Edgar; Ramírez Angulo, Jaime; Linares Barranco, Bernabé; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1989)
    The suitability of operational transconductance amplifiers (OTAs) as the main active element to obtain basic building ...
  • Icon

    Analog neural networks for real-time constrained optimization  [Presentation]

    Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis; Sánchez Sinencio, Edgar; Linares Barranco, Bernabé (Institute of Electrical and Electronics Engineers, 1990)
    Architectures and circuit techniques for implementing general piecewise constrained optimization problems using VLSI ...
  • Icon

    Design of an analog/digital truly random number generator  [Presentation]

    Espejo Meana, Servando Carlos; Martín, J. D.; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1990)
    An analog-digital system is presented for the generation of truly random (aperiodic) digital sequences. This model is based ...
  • Icon

    Very high frequency CMOS OTA-C quadrature oscillators  [Presentation]

    Linares Barranco, Bernabé; Sánchez Sinencio, Edgar; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1990)
    An approach to the design of high-frequency monolithic voltage-controlled oscillators using operational transconductance ...
  • Icon

    VLSI implementation of a transconductance mode continuous BAM with on chip learning and dynamic analog memory  [Presentation]

    Linares Barranco, Bernabé; Sánchez Sinencio, Edgar; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1991)
    In this paper we present a complete VLSI Continuous-Time Bidirectional Associative Memory (BAM). The short term memory ...
  • Icon

    Hysteresis based neural oscillators for VLSI implementations  [Presentation]

    Linares Barranco, Bernabé; Sánchez Sinencio, Edgar; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1991)
    The actual tendency in most of the work that is being done in VLSI neural network research is to use the simplest possible ...
  • Icon

    Frequency tuning loop for VCOs  [Presentation]

    Linares Barranco, Bernabé; Rodríguez Vázquez, Ángel Benito; Sánchez Sinencio, Edgar; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1991)
    A frequency tuning circuit is introduced for VCOs (voltage-controlled oscillators) so that the final relationship between ...

View more