Method for accurate and efficient signaling analysis of nonlinear circuits

Conventional methods for signaling analysis are based on linear time invariant (LTI) assumptions. In this paper, we develop a method for efficient and accurate signaling analysis of nonlinear circuits. This method retains the nonlinear simulation as it is instead of linearizing the original nonlinear problem or adopting a simplified nonlinear model, thereby ensuring accuracy. Meanwhile, it does not suffer from the drawbacks of the brute-force nonlinear simulation in computational efficiency. Being a generic method for signaling analysis, the method is applicable to all kinds of nonlinearities as well as the LTI systems. Simulations of realistic industry nonlinear circuits have demonstrated the accuracy and efficiency of the proposed method.

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