Now showing items 1-20 of 303

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      Generation and design of sinusoidal oscillators using OTAS 

      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. ...
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      A novel CMOS analog neural oscillator cell 

      Linares Barranco, Bernabé; Sánchez Sinencio, Edgar; Newcomb, Robert W.; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1989)
      A very flexible programmable CMOS analog neural oscillator cell architecture is presented. The proposed neuron circuit ...
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      Application of piecewise-linear switched-capacitor circuits for random number generation 

      Espejo Meana, Servando Carlos; Martín Gómez, José Domingo; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1989)
      An unconventional application of switched-capacitor (SC) circuits is discussed. A systematic method for the design of ...
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      Analog integrated neural-like circuits for nonlinear programming 

      Rodríguez Vázquez, Ángel Benito; Domínguez Castro, Rafael; Huertas Díaz, José Luis; Sánchez Sinencio, Edgar (Institute of Electrical and Electronics Engineers, 1989)
      A systematic approach for the design of analog neural nonlinear programming solvers using switched-capacitor (SC) integrated ...
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      OTA-based non-linear function approximations 

      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 ...
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      Nonlinear time-domain macromodeling of OTA circuits 

      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 ...
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      A CMOS Implementation of Fitzhugh-Nagumo Neuron Model 

      Linares Barranco, Bernabé; Sánchez Sinencio, Edgar; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1990)
      A CMOS circuit is proposed that emulates FitzHugh-Nagumo's differential equations using OTAs, diode connected MOSFETs and ...
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      Accurate design of analog CNN in CMOS digital technologies 

      Rodríguez Vázquez, Ángel Benito; Domínguez Castro, Rafael; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1990)
      Explores the design of cellular neural networks (CNN) by using sampled-data analog current-mode techniques which neither ...
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      CMOS circuit implementations for neuron models 

      Linares Barranco, Bernabé; Sánchez Sinencio, Edgar; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1990)
      The mathematical neuron basic cells used as basic cells in popular neural network architectures and algorithms are discussed. ...
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      Very high frequency CMOS OTA-C quadrature oscillators 

      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 ...
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      Design of an analog/digital truly random number generator 

      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 ...
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      Analog neural networks for real-time constrained optimization 

      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 ...
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      An advanced symbolic analyzer for the automatic generation of analog circuit design equations 

      Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1991)
      A tool for symbolic analysis of analog integrated circuits is presented featuring accurate simplification, pole/zero ...
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      Hysteresis based neural oscillators for VLSI implementations 

      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 ...
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      Frequency tuning loop for VCOs 

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

      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 ...
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      Design of RC-active oscillators using composite amplifiers 

      Pérez Verdú, Belén; Huertas Díaz, José Luis; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1991)
      The design of composite opamp Wien-Bridge oscillators is systematically approached by using a general model including ...
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      1/f/sup y/ noise generation through a chaotic nonlinear switched-capacitor circuit 

      Delgado Restituto, Manuel; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1992)
      A programmable switched-capacitor circuit for the generation of 1/f/sup y/ noise is reported. The circuit is described by ...
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      Switched-current techniques for image processing Cellular Neural Networks in MOS VLSI 

      Espejo Meana, Servando Carlos; Rodríguez Vázquez, Ángel Benito; Domínguez Castro, Rafael; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1992)
      An architecture and related building blocks are presented for the realization of image processing tasks using current-mode ...
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      A prototype tool for optimum analog sizing using simulated annealing 

      Medeiro Hidalgo, Fernando; Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1992)
      It is shown that using simulated annealing in combination with electrical simulation provides a powerful tool allowing ...