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Performance Simulation Involving Correlated Part Characteristics

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2 Author(s)
Nelson, A.Carl ; Research Triangle Institute, Durham, N. C. ; Batts, James R.

In the analysis of an electronic circuit containing component parts on which two or more measurements are made there is the need for treating correlated part characteristics. In a performance simulation analysis using a digital computer, one must generate the correlated variables with the appropriate correlations. A method for generating a set of normally distributed variables with a given correlation matrix is presented in this paper. The method is based on an algorithm used in the square root method for solving a system of linear equations. The procedure is applied to a linear amplifier, for which the h-parameters of the equivalent dc circuit analysis of the transistor are a good example of correlated part characteristics. The method has been written in FORTRAN and the computations could be performed on almost any digital computer.

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Reliability, IEEE Transactions on  (Volume:R-16 ,  Issue: 2 )