Re: 24xx calib signal prob.


vdonisa
 

If it's anything like this:

https://groups.yahoo.com/neo/groups/TekScopes/photos/photostream/lightbox/2115061368?orderBy=mtime&sortOrder=desc&photoFilter=ALL#zax/2115061368 https://groups.yahoo.com/neo/groups/TekScopes/photos/photostream/lightbox/2115061368?orderBy=mtime&sortOrder=desc&photoFilter=ALL#zax/2115061368

then U650 may be the culprit (there's a counter / divider inside that when faulty, will occasionally not count / divide correcty and produce random pulses of incorrect timings).

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