Modeling and Simulation of a CMOS-Based Analog Function Generator
Keywords:
Analog function generator, SPICE simulation, polynomial expansion modeling, CMOS HSPICE models.Abstract
Modeling and Simulation of an analog function
generator is presented based on a polynomial expansion model .The proposed function generator model is based on a 10th order polynomial approximation of any of the required functions. The polynomial approximations of these functions can then be implemented using basic CMOS circuit blocks. In
this paper, a circuit model is proposed that can simultaneously generate many different mathematical functions. The circuit model is designed and simulated with HSPICE and its performance is demonstrated through the simulation of a number of non-linear functions.
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