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Top-Down Design of High-Performance Sigma-Delta Modulators

- F. Medeiro, Angel Pérez-Verdú, Á. Rodríguez-Vázquez
- Engineering
- 30 November 1998

1. Introduction. 2. Oversampling Sigma-Delta A/D Converters: Basic Concepts and State of the Art. 3. Modeling of Error Mechanisms in Sigma-Delta Modulators. 4. Behavioral Simulation of Sigma-Delta… Expand

ACE16k: the third generation of mixed-signal SIMD-CNN ACE chips toward VSoCs

- Á. Rodríguez-Vázquez, G. Cembrano, +5 authors S. Espejo-Meana
- Computer Science
- IEEE Transactions on Circuits and Systems I…
- 10 May 2004

Today, with 0.18-/spl mu/m technologies mature and stable enough for mixed-signal design with a large variety of CMOS compatible optical sensors available and with 0.09-/spl mu/m technologies… Expand

Current-mode techniques for the implementation of continuous- and discrete-time cellular neural networks

- Á. Rodríguez-Vázquez, S. Espejo, R. Dominguez-Castron, J. Huertas, E. Sánchez-Sinencio
- Mathematics
- 1 March 1993

A unified, comprehensive approach to the design of continuous-time (CT) and discrete-time (DT) cellular neural networks (CNNs) using CMOS current-mode analog techniques is presented. The net input… Expand

ACE4k: An analog I/O 64×64 visual microprocessor chip with 7-bit analog accuracy

- G. Cembrano, S. Espejo, R. Domínguez-Castro, Á. Rodríguez-Vázquez
- Computer Science
- Int. J. Circuit Theory Appl.
- 1 March 2002

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On the design of voltage-controlled sinusoidal oscillators using OTAs

- Á. Rodríguez-Vázquez, B. Linares-Barranco, J. Huertas, E. Sánchez-Sinencio
- Mathematics
- 1 February 1990

A unified systematic approach to the design of voltage-controlled oscillators using only operational transconductance amplifiers (OTAs) and capacitors is discussed. Two classical oscillator models,… Expand

ACE16k: A Programmable Focal Plane Vision Processor with 128 x 128 Resolution

- G. Liñán, R. Domínguez-Castro, S. Espejo, Á. Rodríguez-Vázquez
- Engineering
- 2001

This paper presents a new genera- tion 128x128 Focal Plane Analog Programmable Array Processor (FPAPAP), from a system level perspective. The design has recently sent to fabri- cation in a 0.35µm… Expand

Nonlinear switched capacitor 'neural' networks for optimization problems

- Á. Rodríguez-Vázquez, R. Domínguez-Castro, A. Rueda, J. Huertas, E. Sánchez-Sinencio
- Computer Science
- 1 March 1990

A systematic approach is presented for the design of analog neural nonlinear programming solvers using switched-capacitor (SC) integrated circuit techniques. The method is based on formulating a… Expand

Integrated chaos generators

- M. Delgado-Restituto, Á. Rodríguez-Vázquez
- Engineering
- 7 August 2002

This paper surveys the different design issues, from mathematical model to silicon, involved in the design of analog CMOS integrated circuits for the generation of chaotic behavior.

A 0.8-/spl mu/m CMOS two-dimensional programmable mixed-signal focal-plane array processor with on-chip binary imaging and instructions storage

- R. Domínguez-Castro, S. Espejo, +6 authors T. Roska
- Computer Science
- 1 July 1997

TLDR

A VLSI-oriented continuous-time CNN model

- S. Espejo, R. Carmona-Galán, R. Domínguez-Castro, Á. Rodríguez-Vázquez
- Computer Science
- Int. J. Circuit Theory Appl.
- 1996

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