Now showing items 41-60 of 303

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      Secure communication through switched-current chaotic circuits 

      Delgado Restituto, Manuel; López de Ahumada Gutiérrez, Rafael; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1995)
      This paper presents the use of analog integrated circuits for secure communication based on chaos synchronization. The ...
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      Modular Design of Adaptive Analog CMOS Fuzzy Controller Chips 

      Rodríguez Vázquez, Ángel Benito; Vidal Verdú, Fernando (Institute of Electrical and Electronics Engineers, 1995)
      Analog circuits are natural candidates to design fuzzy chips with optimum speed/power figures for precision up to about ...
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      Learning in neuro/fuzzy analog chips 

      Rodríguez Vázquez, Ángel Benito; Vidal Verdú, Fernando (Institute of Electrical and Electronics Engineers, 1995)
      This paper focus on the design of adaptive mixed-signal fuzzy chips. These chips have parallel architecture and feature ...
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      Realization of a CNN universal chip in CMOS technology 

      Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1995)
      This paper describes the design of a programmable Cellular Neural Network (CNN) chip, with additional functionalities ...
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      Tool for fast mismatch analysis of analog circuits 

      Rodríguez Macías, Rafael; Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1995)
      A tool is presented that evaluates statistical deviations in performance characteristics of analog circuits, starting from ...
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      A CMOS fully-differential bandpass ΣΔ modulator using switched-current circuits 

      Rosa Utrera, José Manuel de la; Medeiro Hidalgo, Fernando; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1995)
      This paper presents a fourth-order bandpass sigma-delta modulator that has been designed using fully-differential ...
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      A fourth-order bandpass ΣΔ modulator using current-mode analog/digital circuits 

      Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1996)
      We present a fourth-order bandpass ΣΔ switched-current modulator IC in 0.8 μm CMOS single-poly technology. Its architecture ...
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      A 16 Rules@2.5Mflips Mixed-Signal Programmable Fuzzy Controller CMOS-1μm Chip 

      Vidal Verdú, Fernando; Navas González, Rafael; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1996)
      We present a fuzzy inference chip capable to evaluate 16 programmable rules at a speed of 2.5Mflips (2.5 × 10 6 fuzzy ...
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      IC design for spread spectrum communication exploiting chaos 

      Delgado Restituto, Manuel; Liñán Reyes, Matías; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1996)
      This paper presents a 2.4 /spl mu/m CMOS IC prototype which includes a programmable chaotic generator and some interface ...
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      Current-mode piecewise-linear function generators 

      Delgado Restituto, Manuel; Ceballos Cáceres, Joaquín Francisco; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1996)
      We present a systematic design technique for current-mode piecewise-linear (PWL) function generators. It uses two building ...
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      CMOS design of adaptive fuzzy ASICs using mixed-signal circuits 

      Vidal Verdú, Fernando; Navas González, Rafael; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1996)
      Analog circuits are natural candidates to design fuzzy chips with optimum speed/power figures for precision up to about ...
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      Symbolic analysis tools-the state of the art 

      Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1996)
      This paper reviews the main last generation symbolic analyzers, comparing them in terms of functionality, pointing out also their shortcomings. The state of the art in this field is also studied, pointing out directions for future research.
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      Hybrid-control of synapse circuits for programmable cellular neural networks 

      Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1996)
      This paper describes a hybrid weight-control strategy for VLSI realizations of programmable Cellular Neural Networks (CNNs), ...
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      A Family of matroid intersection algorithms for the computation of approximated symbolic network functions 

      Wambacq, Piet; Fernández Fernández, Francisco Vidal; Gièlen, Georges G.E.; Sansen, Willy M.C.; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1996)
      In recent years, the technique of simplification during generation has turned out to be very promising for the efficient ...
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      Mixed-signal CNN array chips for image processing 

      Rodríguez Vázquez, Ángel Benito; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Carmona Galán, Ricardo; Roca Moreno, Elisenda (The International Society for Optical Engineering, 1996)
      Due to their local connectivity and wide functional capabilities, cellular nonlinear networks (CNN) are excellent candidates ...
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      Using CAD Tools for the Automatic Design of Low-Power ΣΔ Modulators 

      Medeiro Hidalgo, Fernando; Pérez Verdú, Belén; Rosa Utrera, José Manuel de la; Rodríguez Vázquez, Ángel Benito (1997)
      This paper illustrates the use of a CAD methodology to design a high-resolution 2nd-order ZA modulator with optimized power ...
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      Quantization noise shaping degradation in switched-current bandpass sigma-delta modulators 

      Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Rodríguez Vázquez, Ángel Benito (1997)
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      A one-transistor-synapse strategy for electrically-programmable massively-parallel analog array processors 

      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 ...
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      An algorithm for numerical reference generation in symbolic analysis of large analog circuits 

      García Vargas, Ignacio; Galán, Mariano; Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1997)
      This paper addresses the problems arising in the calculation of numerical references (network function coefficients), ...
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      Design of a programmable mixed-signal CMOS image-processing chip in 0.8 /spl mu/m CMOS 

      Rodríguez Vázquez, Ángel Benito; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Carmona Galán, Ricardo (Institute of Electrical and Electronics Engineers, 1997)
      An operational vision-chip prototype with a wide-range of potential applications in artificial-vision systems is presented. ...