Hi,
Your help is appreciated. We can keep this on-list for now I guess, on the
chance it helps someone in the future.
Jared.
‐‐‐ Original Message ‐‐‐
On Friday, November 19th, 2021 at 08:25, paul swed wrote:
> Jared I would be happy to see if I can help remotely. We may want to take
Jared I would be happy to see if I can help remotely. We may want to take
this offline or not. Others may find it interesting.
Regards
Paul
WB8TSL
On Thu, Nov 18, 2021 at 12:56 PM Jared Cabot via time-nuts <
time-nuts@lists.febo.com> wrote:
> Hi all,
>
> I have a 5065A Rubidium Standard that was
Hi
This is one of those classic examples of what marketing writes and what
(once the beer is poured) engineering actually knows. If you dive into the
grubby details of the filtering. Been there / done that with a number of
these guys.
It’s very much *not* set up for GPS. The hanging bridge
Bob, I seem to remember reading in the manual on the PRS-10 where they
expounded
at length about how they took great pains to make the unit work well with
typical noisy
GPS PPS input.
I'm using a CNS Clock II as my primary GPSDO, checking phase slippage with
respect
to my PRS-10 to make decisions
Hi all,
I have a 5065A Rubidium Standard that was working ok, but has lost the 2nd
harmonic.
My voltages are all ok, the physics package hasn't overheated and I have
replaced the usual resistors on the lamp assembly (and it was running fine
afterward for a while), the lamp illuminates, and
Bob kb8tq writes:
> The 'filter' in the PRS-10 is not really set up for a GPS sort of signal.
It is particularly bad at handling GPS's because of the "hanging bridge"
phenomena, and the better the GPS, the worse the result...
I tried injecting the "negative sawtooth" via the serial
I see the SRS FS 740 and Morion Rb's and super low Av OCXO's in al my
Microwave publications. That seems the market the are after.
Bert Kehren
___
Hi
The 5 Hz (or whatever) switching and the hump definitely both
originate in the same “feature” of the design. Does disabling the
switching nuke the hump? If one has a PRS-10 I’d say it’s well
worth trying.
The “filter” in the PRS-10 is not really set up for a GPS sort of
signal. It’s
Hello,
We can do much better ADEV and phase noise than the FS740.
But much more expensive 2 to 4 times as much.
SRS products are incredibly low price.
I can't complete on price but do better with performance and flexibility.
Best Regards
Martyn
Dana Whitlow writes:
> You did not really answer the basic question: "Does the 2.5 Hz
> (or 5 Hz if applicable) C-field reversal cause the 2-sec bump in
> the ADEV plot for the PRS-10?".
I cannot answer that question as stated.
My PRS10 died years ago, all I can say is that when I
Poul,
You did not really answer the basic question: "Does the 2.5 Hz
(or 5 Hz if applicable) C-field reversal cause the 2-sec bump in
the ADEV plot for the PRS-10?".
BTW, some radio hams are involved with microwave and even
MMW communications between mobile stations, and I'd bet they
benefit
Matt Huszagh writes:
> "Poul-Henning Kamp" writes:
>
> > The PRS-10 switches the polarity of the C-field solenoid at 5Hz to
> > cancel out varying external magnetic fields.
> >
> > If that is not a concern for you, for instance because you use it
> > in a stationary application, it can
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