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Artículo
New analogue switch circuit having very low forward resistance
(Institution of Engineering and Technology, 1984)
A new circuit realisation for an analogue switch is reported. The main feature of the proposed design is the low value of the forward resistance as compared with commercial switches. Experimental data confirming the ...
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
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 circuit techniques is presented. The method is based on formulating a dynamic gradient system ...
Artículo
Chaos via a piecewise-linear switch ed-capacitor circuit
(Institution of Engineering and Technology, 1987)
A nonlinear switched-capacitor circuit that generates chaotic signals is reported. The circuit is described by a first-order piecewise-linear discrete equation that exhibits a chaotic dynamics. Experimental results ...
Artículo
A new nonlinear time-domain op-amp macromodel using threshold functions and digitally controlled network elements
(Institute of Electrical and Electronics Engineers, 1988)
A general-purpose nonlinear macromodel for the time-domain simulation of integrated circuit operational amplifiers (op amps), either bipolar or MOS, is presented. Three main differences exist between the macromodel and ...
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 ...
Artículo
Chaos From Switched-Capacitor Circuits: Discrete Maps
(Institute of Electrical and Electronics Engineers, 1987)
A special-purpose analog computer made of switched-capacitor circuits is presented for analyzing chaos and bifurcation phenomena in nonlinear discrete dynamical systems modeled by discrete maps *n + t = fan)-Experimental ...
Artículo
Operational transconductance amplifier-based nonlinear function syntheses
(Institute of Electrical and Electronics Engineers, 1989)
It is shown that the operational transconductance amplifier, as the active element in basic building blocks, can be efficiently used for programmable nonlinear continuous-time function synthesis. Two efficient nonlinear ...
Ponencia
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 blocks for the design of programmable nonlinear continuous-time networks is examined. The main purpose ...