Envelope analysis of nonlinear electronic circuits based on harmonic balance method
International Journal of Circuit Theory and Applications
Modeling, analysis, and experimental validation of frequency dividers with direct injection
Journal of Electrical and Computer Engineering
Advanced Engineering Informatics
Predicting nonlinear distortion in multistage amplifiers and gm-C filters
Analog Integrated Circuits and Signal Processing
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An analytical method based on the classical perturbation method and the harmonic balance method is presented to analyze the distortion due to circuit nonlinearities. Starting from the time-domain-modified nodal analysis formulation for a nonlinear dynamic circuit, a calculation procedure of the periodic solution is developed, leading to general formulae for harmonics and nonlinear distortion figures. These formulae are then particularized for the widely used polynomial and exponential nonlinearities. Circuit simulations are performed showing the accuracy of the presented formulae. Copyright © 2009 John Wiley & Sons, Ltd.