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Mostrando ítems 1-10 de 18
Ponencia
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 techniques are explored. Discrete-time analog techniques are considered due to their inherent accuracy, ...
Artículo
On the Design of Voltage-Controlled Sinusoidal Oscillators Using OTA's
(Institute of Electrical and Electronics Engineers, 1990)
A unified systematic approach to the design of voltage-controlled oscillators using only operational transconductance amplifiers (OTA's) and capacitors is discussed in this paper. Two classical oscillator models, i.e., ...
Artículo
10mhz cmos ota-c voltage-controlled quadrature oscillator
(Institution of Engineering and Technology, 1989)
A quadrature-type voltage-controlled oscillator with operational transconductance amplifiers and capacitors (OTA-C) is presented. A monolithic integrated CMOS test circuit is introduced to verify theoretical results. The ...
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
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 as a simple voltage controlled oscillator (VCO) whose control voltage makes the circuit to oscillate ...
Ponencia
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 for the transient simulation of OTA-based CMOS analog integrated circuits. As compared to device-level ...
Ponencia
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. Several oscillator structures are proposed. They use only OTAs and capacitors (OTA-C) and are very ...
Ponencia
Modular analog continuous-time VLSI neural networks with on chip hebbian learning and analog storage
(Institute of Electrical and Electronics Engineers, 1992)
A modular analog circuit design approach for hardware implementations of neural networks is presented. This approach is based on the use of small transconductance multipliers as the main component, and is therefore called ...
Artículo
A modular T-mode design approach for analog neural network hardware implementations
(Institute of Electrical and Electronics Engineers, 1992)
A modular transconductance-mode (T-mode) design approach is presented for analog hardware implementations of neural networks. This design approach is used to build a modular bidirectional associative memory network. The ...
Artículo
A Programmable Neural Oscillator Cell
(Institute of Electrical and Electronics Engineers, 1989)
A programmable analog neural oscillator cell architecture is presented. The proposed neuron circuit is of hysteretic neural nature with its implementation based on operational transconductance amplifiers (OTA's). The ...