Event-Driven Modeling and Simulation of an Digital PLL

An event-driven modeling and simulation technique, implemented in Matlab is presented in this paper. It enables rapid and accurate simulation as it only calculates the time instants of interest. This technique is successfully applied to behavioral modeling and simulation of a digital phase-locked loop. The simulation environment retains the flexibility of modeling and mathematical manipulation that characterizes Matlab. For example, it allows time-domain modeling phase noise of each component of a digital PLL