[time-nuts] FE-5680A Voltage?

[paul swed]

So true in all aspects.


On Thu, Sep 12, 2013 at 6:43 PM, Bob Stewart <bob at evoria.net> wrote:

> Thanks Paul.  I remember when I joined this group a few weeks(?) ago I was
> just looking for some cheap way to improve the accuracy of my counter.  So
> I decided to build a cheap, entry level GSPDO.  And I bought a 3456A
> because I didn't understand my code had a positive feedback loop..  And I
> got a 5335A.  And I spent many many hours turning Bert's FLL into a PLL.
> And now I'm getting a Rb standard as a check for the code I'm "perfecting"
> for my GPSDO.  You guys were right.  This time stuff is more addictive than
> crack.  I just tell everyone I'm building a time machine.  =)
>
> Bob
>
>
>
>
>
> >________________________________
> > From: paul swed <paulswedb at gmail.com>
> >To: Bob Stewart <bob at evoria.net>; Discussion of precise time and
> frequency measurement <time-nuts at febo.com>
> >Sent: Thursday, September 12, 2013 5:31 PM
> >Subject: Re: [time-nuts] FE-5680A Voltage?
> >
> >
> >
> >A good supply is desirable wall warts aren't.
> >Enjoy your new Rb
> >Regards
> >Paul
> >WB8TSL
> >
> >
> >
> >On Thu, Sep 12, 2013 at 6:01 PM, Bob Stewart <bob at evoria.net> wrote:
> >
> >Thanks Bob.  I looked at the datasheet again and found that they do like
> 15-18.  Unfortunately my "18V" supply is a wallwart that supplies
> "22.5-18V,  2.0-2.5A".  By the ordering, I assume that means it's load
> dependent.  So, I guess I'll find some Plan B.
> >>
> >>Bob
> >>
> >>
> >>
> >>
> >>
> >>>________________________________
> >>> From: Bob Camp <lists at rtty.us>
> >>>To: Discussion of precise time and frequency measurement <
> time-nuts at febo.com>
> >>>Sent: Thursday, September 12, 2013 4:52 PM
> >>>Subject: Re: [time-nuts] FE-5680A Voltage?
> >>
> >>>
> >>>
> >>>Hi
> >>>
> >>>As I recall, 15 volts is sort of the minimum they recommend on most of
> the variations of the 5680. The internal regulators will probably be
> happier with 18 volts than with 14.25. You best bet is indeed a 15 V supply.
> >>>
> >>>Bob
> >>>
> >>>On Sep 12, 2013, at 11:03 AM, Bob Stewart <bob at evoria.net> wrote:
> >>>
> >>>> I decided to order a Rb standard, and I was wondering what the lower
> limit on the 15V power requirement is?  I have a PSU that will go up to
> 14.25V and my next closest is 18V.  Should I just get a new 15V PSU before
> this gets in?  Maybe I can make a quick mod on the big one and take it up
> to 15V.
> >>>>
> >>>> Bob - AE6RV
> >>>> _______________________________________________
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> >
> >
> >
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