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An equivalent circuit structure macromodel for analog phase locked loopsChoi, Pyung 05 1900 (has links)
No description available.
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A low-voltage high-resolution audio delta-sigma modulatorÇoban, Abdulkerim Levent 05 1900 (has links)
No description available.
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A cascade boost converter design, demonstration, and scaling for future high voltage power conditioning systemsCastagno, Scott. January 2006 (has links)
Thesis (M.S.)--University of Missouri-Columbia, 2006. / The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on April 17, 2009) Includes bibliographical references.
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A novel fault current limiterOtete, Andrew. Li, Hui. January 1900 (has links)
Thesis (M.S)--Florida State University, 2004. / Advisor: Dr. Hui Li, Florida State University, College of Engineering, Dept. of Electrical and Computer Engineering. Title and description from dissertation home page (viewed May 20, 2005). Includes bibliographical references.
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Representation of multivariable-controlled MOSFET nonlinearities in transient analysis programsMa, Hong January 1991 (has links)
This thesis deals with the modelling and circuit simulation problems of nonlinear electronic devices. Emphasis has been aimed at MOSFET devices.
A Piecewise Linear (PWL) modelling scheme has been proposed for a general four-terminal nonlinear charge device. The charge functions are all nonlinear and are approximated by PWL functions. If analytical expressions for the nonlinear functions are not available, PWL function approximations can be built from a data table in which discrete data points are recorded.
In the time domain, the critical-damping-adjustment (CDA ) scheme is used as the integration rule in the discretization of dynamic charge devices.
Piecewise linear modelling combined with the CDA integration scheme gives a fast yet adequately accurate simulation algorithm. The algorithm is based on linear analysis because the entire circuit becomes linear with PWL modelling of nonlinear elements. In order to avoid an iterative solution, PWL region extrapolation is permitted when the circuit solution switches PWL regions. The extrapolation approximation will generate an overshoot error in the solution vector. However, with caution in the selection of the integration step size, the error can be limited to an acceptable range.
Two types of MOSFETs have been modelled and simulated with the algorithm introduced in this thesis, and satisfactory results have been obtained as compared to Newton's iteration solutions. / Applied Science, Faculty of / Electrical and Computer Engineering, Department of / Graduate
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A Network Model of Small Intestinal Electrical ActivitiesCarbajal, Victor 03 1900 (has links)
<p> An electronic circuit based on a modified version of
the four branch Hodgkin-Huxley electrical equivalent circuit (Roy, 1972) has been proposed and implemented to simulate the pattern of the electrical activities present in the muscle cells of the mammalian small intestine. </p> <p> The analog's implementation comprises two main circuits to simulate these activities. One of them is concerned with generating sub threshold oscillations, while the other is basically a spike-generator circuit. Additional circuitry is included to interface them. Furthermore, the analog provides a parameter set by means of which its performance may be varied. Such settings may alter the intrinsic frequency, the magnitude of the depolarizing phase of the control potential for the response activity to occur, and also the frequency of the electrical response activity. </p> <p> Four such electronic oscillators, having different intrinsic frequencies, were coupled together in a chain structure with passive elements to simulate "frequency pulling" and "entrainment" . The model qualitatively reproduced the observed pattern of electrical activities in the small intestine. </p> / Thesis / Master of Engineering (MEngr)
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Modeling of AC circuit breakers in the electromagnetic transients programPhaniraj, Viruru January 1986 (has links)
The objective of this research project was to develop and implement a model for an A.C circuit breaker in the Electromagnetic Transients Program (EMTP). Various models for the arcing process were evaluated, and the modified Mayr equation was chosen for the model. Other equations were added to demonstrate the generality of the algorithm developed.
Since the Electromagnetic Transients Program was not designed to accommodate directly elements whose resistance varies with time, such as an electric arc, several strategies for interfacing the model with the program were studied. The compensation method was selected, and was used for interfacing the circuit breaker model with the program.
After implementation of the model, it was validated by comparing its performance with experimentally verified results reported previously. In order to render the model more practical, an auxiliary breaker parameter estimation routine was developed and tested. / M.S.
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TOPOLOGICAL ANALYSIS OF ACTIVE NETWORKS AND THE TREE-FINDING PROBLEMDawson, Darrow Finch, 1931- January 1967 (has links)
No description available.
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Analog and mixed-signal test and fault diagnosisLiu, Dong. January 2003 (has links)
Thesis (Ph. D.)--Ohio University, August, 2003. / Title from PDF t.p. Includes bibliographical references (leaves 100-109).
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Small signal analysis of nonlinear systems with periodic operating trajectories /Groves, James O., January 1995 (has links)
Thesis (Ph. D.)--Virginia Polytechnic Institute and State University, 1995. / Vita. Abstract. Includes bibliographical references (leaves 202-207). Also available via the Internet.
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