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Re: How long time needed to get accurate frequency from SDH

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On Mar 24, 10:21 am, fl <rxjw...@gmail.com> wrote:
> Hi,
> I do not know SDH, thus seek help here. I am working on a project
> which needs the accurate frequency information. We plan to get that
> from E1/T1 dropped from SDH. As far as I know, SDH has pointer
> adjustment to accommodate different signal sources or other
> imperfections. I want to know the maximum SDH pointer adjustment
> period for a stationary resource (which has a fixed, small frequency
> offset). With that SDH time adjustment period, I can design an average
> fuction to get the accurate frequency.
>
> Thanks a lot.

A little further information adds. Once I was involved in a GSM
project, I had the impression that the time was about 15 minutes. I
am  not sure about the time because it was too long ago. It onl sounds
to me in the minutes order or so.

Thanks.

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How long time needed to get accurate frequency from SDH fl <rxjwg98@gmail.com> - 2012-03-24 07:21 -0700
  Re: How long time needed to get accurate frequency from SDH fl <rxjwg98@gmail.com> - 2012-03-24 07:43 -0700
  Re: How long time needed to get accurate frequency from SDH Lucifer <LuciferMorningstar@bigpond.com> - 2019-04-03 16:38 +1100

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