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flared0ne
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Re: Part IV: Developing Software for Your Test Application
flared0ne   6/7/2012 4:28:41 PM
NO RATINGS
Skipping back to "formulating the question" -- one major area where "experience counts" is when you are using generic devices to interface with a DUT -- devices which don't ALLOW you to vary signal transition levels, or measure I/O currents, which don't allow you to vary rise/fall timing on an input data/clock/trigger/etc... "roll-your-own" test setups will fail to detect a large percentage of some fairly common failure modes; and you won't know that happened until you get a spike in DOA or infant-mortality stats. SOME test gear allows you to treat a test-signal source-point as a signal generator, with tight control over all specs. YOU have to know/decide when that expense is justified, considering it can damage your credibility (and job security) to have your tested devices falling over in the field.



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