Harmonic balance simulation and optimization of nonlinear circuits

Recent advances in harmonic balance simulation and optimization of nonlinear circuits operating in the steady state are addressed. The basic concepts and formulations for single-tone and multitone simulation are reviewed. A unified theory for nonlinear adjoint sensitivity analysis is summarized. The novel FAST technique linking efficient simulation to gradient-based optimization is described. The application of the harmonic balance method is expanded from circuit analysis to modeling, nominal design, and yield optimization.<
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