On 4/17/12 7:55 AM, John Lofgren wrote:
One feature of the Agilent and Rohde scopes (maybe Tek, too?) that can help in
some situations is segmented memory. It allows you to capture periodic or
random events with the full sample rate but to ignore all the dead time between
events. For each trigger it stores one sweep with a time stamp. When you want
to look at the record you can roll back through memory and look at each
individual event with full resolution.
This isn't a cure-all because the time stamps will have limited resolution and
some amount of jitter, but it can be helpful in some applications. It also
assumes that you know what you're looking for and can trigger on it :)
Yes, this was a tek..it does the same thing (called "fast frame" in
their manual) and the trigger time stamps were actually high resolution
(higher than the sample rate).
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