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New RF Empirical Nonlinear Modeling for Nano-Scale Bulk MOSFET  

Lee, Seong-Hearn (School of Electronics and Information Engineering, Hankuk University of Foreign Studies)
Publication Information
Abstract
An empirical nonlinear model with intrinsic nonlinear elements has been newly developed to predict the RF nonlinear characteristics of nano-scale bulk MOSFET accurately over the wide bias range. Using an extraction method suitable for nano-scale MOSFET, the bias-dependent data of intrinsic model parameters have been accurately obtained from measured S-parameters. The intrinsic nonlinear capacitance and drain current equations have been empirically obtained through 3-dimensional curve-fitting to their bias-dependent curves. The modeled S-parameters of 60nm MOSFET have good agreements with measured ones up to 20GHz in the wide bias range, verifying the accuracy of the nano-scale MOSFET model.
Keywords
RF MOSFET; nano-scale MOSFET; bulk CMOS; modeling; parameter extraction;
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