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

[Ed Palmer]

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

On 11/24/2012 10:53 AM, James Peroulas wrote:
> I received a 'programmable' FE-5680A from nichegeek recently and I'm able
> to get it to lock (pin 3 goes low) and produce a PPS output (pin 6).
> However, it never produces a 10MHz output on pin 7.
>
> Is this unit defective, or is there something I might be doing wrong?
>
> My unit is labeled: FE-5680A UN 32575 S/N 45531 Revision: B. It's pretty
> banged up too, like someone took a drill to it :(
>
> James
>