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This paper proposes a technique that allows to decouple the polynomial chaos equations for statistical interconnect analysis. The methodology is based on a transformation that renders the voltage and current polynomial chaos coefficients decoupled. Hence, these new decoupled coefficients are computed via repeated non-intrusive simulations. The advocated method maintains comparable accuracy with respect...
The construction of black-box macromodels, either from frequency responses or via model order reduction, has become a standard practice in Computer-Aided Design flows of digital, analog, mixed-signal and radio-frequency systems. In order to be proficiently used, such macromodels need to be synthesized into equivalent circuits that are compatible with common circuit solvers. In this work, we propose...
This work presents a novel approach for passivity enforcement of state-space macromodels, based on nonsmooth localization algorithms applied to a convex formulation of the passivity constraints. The main advantages of proposed scheme are guaranteed optimality and limited required computational resources. Compared to convex formulations based on a direct implementation of Bounded Real Lemma we are...
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