Abstract
Two efficient algorithms for calculating the steady-state responses of nonlinear circuits are proposed. They are based on both time-domain and frequency-domain approaches. A nonlinear circuit is partitioned into two subnetworks with substitution sources, and their responses are solved by a combined frequency-domain and time-domain method. The total response of the combined circuit can be calculated by an iterative technique based on either the Newton or the relaxation harmonic balance method. Since the methods are based on both time-domain and frequency-domain algorithms, they are called the Newton and the relaxation hybrid harmonic balance methods, respectively. The methods can be applied efficiently to strong nonlinear circuits containing high-Q subnetworks such as filter circuits and crystal oscillators. When a large-scale circuit is partitioned into large linear subnetworks and small nonlinear subnetworks, the method can also be applied efficiently. >
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Schedule a callMore From: IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications
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