A programmable neural oscillator cell

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 (OTAs). The hysteresis loop as well as the frequency of oscillation are voltage- (or current)-de...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems 1989-05, Vol.36 (5), p.756-761
Main Authors: Linares-Barranco, B., Sanchez-Sinencio, E., Rodriguez-Vazquez, A., Huertas, J.L.
Format: Article
Language:English
Subjects:
426000 - Engineering- Components, Electron Devices & Circuits- (1990-)
990200 - Mathematics & Computers
AMPLIFIERS
ANALOG SYSTEMS
ANIMAL CELLS
Applied sciences
CAPACITORS
Circuit properties
Circuits
COMPUTER ARCHITECTURE
COMPUTER NETWORKS
Electric, optical and optoelectronic circuits
ELECTRICAL EQUIPMENT
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
Electronics
ENGINEERING
Exact sciences and technology
Frequency
GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
HYSTERESIS
INTEGRATED CIRCUITS
MICROELECTRONIC CIRCUITS
MIRRORS
NERVE CELLS
Neurons
Operational amplifiers
OSCILLATORS
Oscillators, resonators, synthetizers
PARALLEL PROCESSING
PROGRAMMING
PULSE AMPLIFIERS
SIMULATION
SOMATIC CELLS
Transconductance
Voltage
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Summary: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 (OTAs). The hysteresis loop as well as the frequency of oscillation are voltage- (or current)-dependent. The architecture, which involves two OTAs, a current mirror, a capacitor, a diode, and a resistor is very suitable for monolithic integrated circuits. Experimental results confirm the expected flexibility of the synthetic neuron.< >
ISSN:0098-4094
1558-1276
DOI:10.1109/31.31324