[time-nuts] Raw phase data of super-5065

[Bob kb8tq]

Hi

It is pretty well known that without “help” ( beyond the filter stuff on the super) the 5065 has fairly poor temperature 
stability and somewhat variable response to pressure and humidity. Taking two samples right off the production line
likely would have given you different long term data as a result. 

If you are going to the trouble of watching these devices for a long time, monitor temperature, pressure and humidity.
I suspect you will find correlations ….

Bob

> On Jun 5, 2018, at 5:44 AM, timeok at timeok.it wrote:
> 
> 
>   Hi Attila,
>   I am doing the long therm stability test on a couple of HP5065, one original A type, the second B or "super" compared with my best long therm stability, a GPSDO HPz3816A.
>   This test will be 30 days long. It is a second test, with a second couple of HP5065A/B, to verify the long therm stability of both the version.
> 
>   Up to now the data available for version B or "super" only concerned the improvement of phase noise.
> 
>   From the first results it seems that the HP5065A is more stable within 30days than the modified version with the filter.
>   It must be considered that the short-term stability of 5065 is better than the GPSDO / TICC up to 10-80k sec then, in this test configuration the valid data will be beyond these values.
>   The results will be ready within 28 days and I will be happy to share them in order to have everyone's opinion.
>   Regards,
>   Luciano
> 
> 
>   Da "time-nuts" time-nuts-bounces at febo.com
>   A "Discussion of precise time and frequency measurement" time-nuts at febo.com
>   Cc
>   Data Mon, 4 Jun 2018 10:11:50 +0200
>   Oggetto [time-nuts] Raw phase data of super-5065
>   Hoi zäme!
> 
>   Would one (preferably multiple) of the owners of a super-5065 be so kind
>   and share the raw phase data of an super-5065 against a stable reference
>   with me? The longer the data trace, the better.
> 
>   Thanks in advance!
> 
>   Attila Kinali
> 
>   --
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