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Created page with "'''Signature Analysis''' is a method to simplify (field) troubleshooting of complex digital systems, developed at Hewlett-Packard in the early 1970s. The idea is to describe "known good" states of signals in the system – typically when in some diagnostic / troubleshooting mode – as a CRC of that signal, when referenced to a known clock and defined start/stop conditions. The concept was introduced in [https://doc.xdevs.com/doc/HP_Agilent_Keysight/journals/1977-0..."
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