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Ponencia
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 models to perform the desired tasks. This yields to the use of sigmoidal type neurons that have ...
Ponencia
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 amplitude control issues. Two different design criteria are presented and their main features summarized. ...
Artículo
A switched-capacitor broadband noise generator for CMOS VLSI
(Institution of Engineering and Technology, 1991)
A switched-capacitor circuit is reported for the generation of broadband white noise in MOS VLSI. It is based on the implementation of a very simple chaotic discrete-time system. The concept is demonstrated via a 3ftm CMOS ...
Ponencia
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 (STM) section is implemented using small transconductance four quadrant multipliers, and capacitors for ...
Ponencia
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 extraction, and tools for parametric AC circuit characterization. The program, called ASAP, uses signal ...
Ponencia
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 oscillating frequency and input control voltage is fixed and independent of nonidealities. This ...
Artículo
CMOS OTA-C high-frequency sinusoidal oscillators
(Institute of Electrical and Electronics Engineers, 1991)
Several topology families are given to implement practical CMOS sinusoidal oscillators by using operational transconductance amplifier-capacitor (OTA-C) techniques. Design techniques are proposed taking into account the ...