[time-nuts] Re: Can Ublox GPS NEO provide 10MHz signal?

[john.haine at haine-online.net]

The MAX-M8Q can do.  The TO output frequency and pulsewidth can be
programmed using the u-centre software.  Depending on the frequency the
signal may have quite a lot of jitter I believe.

John.

-----Original Message-----
From: Attila Kinali via time-nuts <time-nuts at lists.febo.com> 
Sent: Monday, February 20, 2023 8:35 PM
To: Discussion of precise time and frequency measurement
<time-nuts at lists.febo.com>
Cc: Attila Kinali <attila at kinali.ch>
Subject: [time-nuts] Re: Can Ublox GPS NEO provide 10MHz signal?

On Thu, 19 Jan 2023 09:57:04 +0100
F1CHF via time-nuts <time-nuts at lists.febo.com> wrote:

> https://content.u-blox.com/sites/default/files/products/documents/Timi
> ng_AppNote_%28GPS.G6-X-11007%29.pdf

A word of warning here. This document was prepared using a LEA-6T in 2011,
triggered by complaint of yours truly about the lack of application data of
the timing modules a year or two earlier. It probably still holds true for
the LEA-8 and NEO-8 modules. But the modern 9th and 10th generation modules
must have seen significant overhaul to accomodate for the dual frequency
receivers. Not to mention that close to 15 years have now passed since the
introduction of the LEA-6 series and it is likely that u-blox completely
redesigned their processor for the new silicon processes including the
internal control software. I.e. I would not trust this data to apply to
modern receivers without verifying it first.

				Attila Kinali
--
In science if you know what you are doing you should not be doing it.
In engineering if you do not know what you are doing you should not be doing
it.
        -- Richard W. Hamming, The Art of Doing Science and Engineering
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