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The data compression technique of Signature Analysis (SA) is being used in an ever-increasing variety of test instruments, but in all cases the signature is used only as a pass/fail indication. It is possible, however, to obtain a limited amount of diagnostic information from a fault signature. In particular it is possible to determine the position of a single erroneous bit in a data stream, something which may prove to be of use in the testing of memories. The probability of the technique yielding incorrect results is investigated.
Electronic and Radio Engineers, Journal of the Institution of (Volume:55 , Issue: 2 )
Date of Publication: Feburary 1985