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DPO4LMT (Limit and Mask Testing)
DPO4LMT Limit and Mask Testing Application Module
Enables testing against limit templates generated from "golden" waveforms and mask testing using custom or standard telecommunications or computer masks.
A common task during the development process is characterizing the behavior of certain signals in a system. One method, called limit testing, is
to compare a tested signal to a known good or "golden" version of the same signal with user-defined vertical and horizontal tolerances.
Another common method, called mask testing, is to compare a tested signal to a mask, looking for where a signal under test violates the mask.
The DPO/MSO/MDO4000 Series offers both limit and mask testing capability useful for long-term signal monitoring, characterizing signals during design, or testing on a production line. Tailor a test to your specific requirements by defining test duration in number of waveforms or time, a violation threshold that must be met before considering a test a failure, counting hits along with statistical information, and actions upon violations, test failure, and test complete. Whether specifying a mask from a known good signal or from a custom mask, conducting pass/fail tests in search of waveform anomalies such as glitches has never been easier.
[≥350 MHz bandwidth models are recommended for mask testing on telecomm standards >55 Mb/s. 1 GHz bandwidth models are recommended for mask testing on high-speed (HS) USB.]