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An approach based on functional testing and on sensitivity calculation of many output parameters for diagnosis of defective elements in analog circuits is presented. A sensitivity matrix that gives the relation between the deviation of output parameters and the deviation of defective components in a circuit forms the basis of the test equations. Diverse types of measurement help improve the diagnostic resolution. Experimental results are presented to clarify the algorithm and prove its efficiency in a practical case.>
Slamani et al. (Sun,) studied this question.