[time-nuts] SR620 flicker.
lists at rtty.us
Sat Jun 9 16:58:12 UTC 2012
There is a fairly detailed calibration procedure for the SR620. I don't remember all the steps, but it does indeed reduce the reading jitter.
On Jun 9, 2012, at 11:49 AM, Tom Knox wrote:
> I have a SRS SR620 that when an input channel is connected to the Ext Ref out has "Flicker" of about 3 digits of jitter/noise/drift. My experience is that most counter monitoring their external reference will be stable to one count with only an occasional larger jump. Magnus told me he has a SR620 that has the same instability problem, and that he heard this is a common problem for these units. Has anyone else encounter this problem? And of course the 2 dollar question, does anyone know how to repair this issue?
> Thomas Knox
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