[time-nuts] Re: FPGA-based GPS NTP server project

[Forrest Christian (List Account)]

Having shipped a lot of timing products with the mediatek chipsets, I can
confirm that the jitter described is expected, even with a perfect sky
view.   This is acceptable in the application I'm using them in,  may or
may not be acceptable to you.

On Sat, Feb 11, 2023, 7:58 AM HÃ¥kan T Johansson via time-nuts <
time-nuts at lists.febo.com> wrote:

>
> Hi,
>
> I have a NTP server project based on a Digilent Arty A7 FPGA board with a
> MediaTek GPS MT3329.  Board-to-board NTP tests over network show about 20
> ns jitter, with long-term wanders of 100 ns, presumably due to my limited
> sky-view.  More details:
>
> http://fy.chalmers.se/~f96hajo/fakernet/board_Arty_A7-35-GPS-NTP.html
>
> Cheers,
> HÃ¥kan
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