Hi
You probably are not going to find the Nano’s on the used market.
The last one I worked with was very much a pre-production unit and
that was only a few years back.
Indeed if you are simply looking for a lab clock, the miniature Rb’s may
not be the best choice. Their stability is generally
On 9/17/2019 12:33 AM, Dr. David Kirkby wrote:
Is there any advantage in using a GPS Rb disciplined oscillator vs a GPS
disciplined high quality OCXO like the HP 10811A? I can’t understand why
there should be, as a Rb source would use an OCCO in its output stage
Therefore in each case
*
Dr. Kirby, et al,
Remember that a GPS-disciplined Rb has two loops, hence two time constants,
to
consider:
a) the loop which locks the Rb's internal OCXO to the atomic transition, and
b) the GPS disciplining loop.
I surmise that the internal loop (a) is fast enough to thoroughly suppress
drifts
On 9/17/19 3:33 AM, Dr. David Kirkby wrote:
> On Tue, 17 Sep 2019 at 04:00, Dana Whitlow wrote:
>
>> The nice thing about a Rb is that its short term stability (seconds to
>> minutes and perhaps
>> even longer) is much better than that of a GPS timing receiver. The bad
>> news is that Rb
>>
On Mon, Sep 16, 2019 at 11:00 PM Dana Whitlow wrote:
> All of the available Rb standards that I've seen have a 10 MHz output,
> Some have a
> 1 PPS output as well.
> original buyer could save a few bucks. My PRS-10 is one of these.
>
>
How does this compare with say a used Accubeat AR133/60
On Tue, 17 Sep 2019 at 04:00, Dana Whitlow wrote:
> The nice thing about a Rb is that its short term stability (seconds to
> minutes and perhaps
> even longer) is much better than that of a GPS timing receiver. The bad
> news is that Rb
> standards exhibit long term frequency drift in the
First off, thanks to everyone who replied.
On Mon, Sep 16, 2019 at 11:00 AM Bob kb8tq wrote:
> What are you really trying to do here?
>
Take over the world - one epoch at a time.
If it’s a “from scratch” atomic standard, then you just aren’t going to get
> there. Sorry about that ...
>
Ok.
Hi
What are you really trying to do here?
If it’s a “from scratch” atomic standard, then you just aren’t going to get
there. Sorry about that ...
If it’s a wall clock sync’d to an external radio service then indeed you
might get there.
In-between those two lie tings like buying eBay telecom
From: pisymbol .
Can anyone suggest a "starter" atomic clock project? By beginner's
something that is fairly easy to put together and isn't cost prohibited
(maybe a few hundred but not thousand).
Thanks!
-aps (Alex)
=
Alex,
Perhaps you could clarify what
On 9/16/19 4:16 AM, pisymbol . wrote:
Can anyone suggest a "starter" atomic clock project? By beginner's
something that is fairly easy to put together and isn't cost prohibited
(maybe a few hundred but not thousand).
Do you mean "build the physics package", or are you just talking about
Can anyone suggest a "starter" atomic clock project? By beginner's
something that is fairly easy to put together and isn't cost prohibited
(maybe a few hundred but not thousand).
Thanks!
-aps (Alex)
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