Properties of FET parameter statistical data bases
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Statistical databases are often used to characterize the statistics of a FET. It is shown that a database containing the FET model parameter marginal probability density functions and covariance matrix is not sufficient to describe the FET's S-parameter statistics. This result is important to those developing statistical databases for GaAs FETs. The implications of this work for simulation and CAD are discussed, and a solution to this problem, the truth model, is presented.<<ETX>>
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