[time-nuts] Sw for pm6680B

[Azelio Boriani]

With the 350pS single shot resolution the PM6680 can't replace the 20pS of
the 5370. Keep the 5370 as well. The PM6681 is 50pS. The SR620 is 25pS.

On Wed, May 2, 2012 at 5:13 AM, "Pierre-François (f5bqp_pfm)" <
pfmonet at wanadoo.fr> wrote:

> Hi Nigel, Magnus, Bjorn & the Gang,
>
> Thanks for all your replies to my initial message, I appreciate very much.
> I downloaded the lastest version of TimeLab and will try it soon, I just
> tested the counter against my 5370B and my different Rubidium sources.
>
> Nigel, if you're referring to the 6680B which was on The Frenchy Bay last
> week, yes it's me, sorry if you were also on the deal...
> I would have preferred a PM6681, but no luck, it was a 6680B version, may
> be one day if necessary, don't know yet if it's.
> The old mummy arrived some days ago, I tested it, it works great, at least
> the basic function I tested. The OCXO has to be tuned properly, however as
> I'll use it in the lab driven by a PRS10 Rubidium 1pps synchronized with a
> Z3816 GPS rig so it's not a big issue.
>
> The question I'm wondering : Does the PM6680B (or PM6681B) replace
> completely a 5370B?
> My two main problems with the 5370B are the noise and the heat (then the
> AC consumption)!
> Also the 5370B on the bench is much more heavy compared to the PM6680B...
>
> So I'm not sure if one replace the other, so keeping the 5370B is
> certainly preferable?...
> Don't know... :-\
> Your advises are welcome.
>
> All the bests to all of you and enjoy your toys...
> pf, f5bqp
>
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