Browsing Ponencias (Instituto de Microelectrónica de Sevilla (IMSE-CNM)) by Issue Date
Now showing items 1-20 of 304
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Presentation
Generation and design of sinusoidal oscillators using OTAS
(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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Analog integrated neural-like circuits for nonlinear programming
(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
(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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Application of piecewise-linear switched-capacitor circuits for random number generation
(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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Nonlinear time-domain macromodeling of OTA circuits
(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 novel CMOS analog neural oscillator cell
(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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Analog neural networks for real-time constrained optimization
(Institute of Electrical and Electronics Engineers, 1990)Architectures and circuit techniques for implementing general piecewise constrained optimization problems using VLSI ...
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Accurate design of analog CNN in CMOS digital technologies
(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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Design of an analog/digital truly random number generator
(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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CMOS circuit implementations for neuron models
(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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A CMOS Implementation of Fitzhugh-Nagumo Neuron Model
(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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Presentation
Very high frequency CMOS OTA-C quadrature oscillators
(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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Presentation
Hysteresis based neural oscillators for VLSI implementations
(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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An advanced symbolic analyzer for the automatic generation of analog circuit design equations
(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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Design of RC-active oscillators using composite amplifiers
(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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VLSI implementation of a transconductance mode continuous BAM with on chip learning and dynamic analog memory
(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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Frequency tuning loop for VCOs
(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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CMOS analog neural network systems based on oscillatory neurons
(Institute of Electrical and Electronics Engineers, 1992)This paper addresses the design of two neural network systems based on the use of pulsing neurons. Each neuron is built ...
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A prototype tool for optimum analog sizing using simulated annealing
(Institute of Electrical and Electronics Engineers, 1992)It is shown that using simulated annealing in combination with electrical simulation provides a powerful tool allowing ...
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Architectures and building blocks for CMOS VLSI analog "neural" programmable optimizers
(Institute of Electrical and Electronics Engineers, 1992)A modular reconfigurable serial architecture is presented for the analog/digital implementation of constrained optimization ...