[time-nuts] FE-5680A no 10MHz RF output?

[Don Latham]

Look on Didier's site or TvB's and you should find the hack that turns
the 5680A into a variable output frequency device; there's a DDS with an
rs232 interface. All is not lost?
Don L

Volker Esper
>
> Am 25.11.2012 18:29, schrieb James Peroulas:
>>> Message: 3
>>> Date: Sat, 24 Nov 2012 11:10:02 -0600
>>> From: Ed Palmer<ed_palmer at sasktel.net>
>>> To: Discussion of precise time and frequency measurement
>>>          <time-nuts at febo.com>
>>> Subject: Re: [time-nuts] FE-5680A no 10MHz RF output?
>>> Message-ID:<50B0FF6A.7030509 at sasktel.net>
>>> Content-Type: text/plain; charset=windows-1252; format=flowed
>>>
>>> I have a similar unit that I picked up a few years ago.  It only has
>>> a 1
>>> PPS output.  That's the way it was designed.  There are so many
>>> different versions of this stupid model that it's impossible to be
>>> sure
>>> what you're buying until you get it on your bench.
>>>
>>> If yours is like mine, the DDS is putting out 2^23 Hz (~8.39 MHz)
>>> which
>>> then goes through a fixed divider to 1 Hz.  You can access the 8 MHz
>>> signal via a tiny socket on the DDS board.  There is info online on
>>> how
>>> to modify the unit to bring that signal out to a connector and
>>> program
>>> it for other frequencies.  If you change the frequency, the 1 PPS
>>> also
>>> changes frequency.
>>>
>>> Ed
>>>
>>
>> Ugh... Hopefully he'll let me return it. This is the first time I've
>> bought
>> an $80 item from China and I've been burned :(
>>
>> JP
>>
>
> If this is so, it has to be a very unfortunate mischance. I've been
> trading with China numerous times, there was nothing to fault on.
>
> Cheers
>
> Volker
>
>
>
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-- 
"Neither the voice of authority nor the weight of reason and argument
are as significant as experiment, for thence comes quiet to the mind."
De Erroribus Medicorum, R. Bacon, 13th century.
"If you don't know what it is, don't poke it."
Ghost in the Shell


Dr. Don Latham AJ7LL
Six Mile Systems LLP
17850 Six Mile Road
POB 134
Huson, MT, 59846
VOX 406-626-4304
www.lightningforensics.com
www.sixmilesystems.com