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Analysis of the control loop of clock-data recovery circuits (CDR) that use bang-bang phase detector is complicated by the fact that the loop behavior is determined by the jitter profile of the input signal. We present a method for constructing a non-linear average deviation model that permits fast simulation of the limit cycle behaviors. In addition, linear AC analysis performed on the model allow...
This paper introduces a novel numerical carbon nanotube transistor (CNT) modelling approach which brings in a flexible and efficient cubic spline non-linear approximation of the non-equilibrium mobile charge density. The spline algorithm creates a rapid and accurate solution of the numerical relationship between the charge density and the self-consistent voltage, which leads to the speed-up of deriving...
The dramatic increase in leakage current, coupled with the swell in process variability in nano-scaled CMOS technologies, has become a major issue for future IC design. Moreover, due to the spread of leakage power values, leakage variability cannot be neglected anymore. In this work an accurate analytic estimation and modeling methodology has been developed for logic gates leakage under statistical...
A set of improved equations for dynamic feedforward neural networks is introduced to represent the behavior of the integrated circuit (IC). The rationality of the improved equations is elucidated by studying the relationship between the circuits and the equation parameters. In order to apply the dynamic feedforward neural networks to the design of intelligent IC, the method of modeling and simulation...
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