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We present a new technique, based on a continuation method, for oscillator analysis using harmonic balance. Whh the use of Krylov subspace iterative linear solvers, harmonic balance has become a very powerful method for the analysis of general nonlinear circuits in the frequency domain. However, application of the harmonic balance method to the oscillator problem has been difficult due to the very small region of convergence. The main contribution of this paper is a robust and efficient continuation method that overcomes this problem.

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