A Fast Numerical Algorithm for Calculating the Given Zero-Level Instability of DC Amplifiers

A fast numerical algorithm for calculating the given instability of the zero level of DC amplifiers is considered. Traditional methods for calculating the instability of nonlinear electronic circuits require repeated calculations of the stationary mode of the simulated nonlinear circuit, followed by...

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Bibliographic Details
Published in:Mathematical models and computer simulations 2021-11, Vol.13 (6), p.955-963
Main Authors: Gridin, V. N., Anisimov, V. I.
Format: Article
Language:English
Subjects:
Algorithms
Amplifiers
Circuits
Electronic circuits
Linearization
Mathematical Modeling and Industrial Mathematics
Mathematics
Mathematics and Statistics
Numerical analysis
Parameters
Simulation and Modeling
Stability
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Summary:A fast numerical algorithm for calculating the given instability of the zero level of DC amplifiers is considered. Traditional methods for calculating the instability of nonlinear electronic circuits require repeated calculations of the stationary mode of the simulated nonlinear circuit, followed by the calculation of the sensitivity of the values of the coordinates of the operating points to variations in the parameters of the components. In contrast to them, the method proposed in this article is based on performing a single linearization of the nonlinear characteristics of the components only at the initial stage of solving the problem. At the subsequent stages of solving the problem, the linearized representation of the components is used to calculate the given instability under the influence of external influences and the technological spread of parameters during the serial production of the developed circuit.
ISSN:2070-0482
2070-0490
DOI:10.1134/S2070048221060077