[time-nuts] FE-5680A Results so far

[Azelio Boriani]

Artifacts from the TDS210, not from the Rb.

On Thu, Dec 29, 2011 at 8:14 AM, mike cook <michael.cook at sfr.fr> wrote:

> Hi,
> Just got my cheapo 5680A.  It was accompanied by a little teddy bear
> clutching a L7805CV !
>
> Got a couple of questions.
>
> 1) What is the expected 10MHz peak to peak voltage.  FEI doc seems to
> indicate 0,5V but I am getting only 200mv.
> 2) What is the sensitivity to 15V input level. I am only measuring 14,722
> (stable) on Pin1.
> 3) Could this low input voltage affect output voltage?
>
> The box locks after a couple of minutes but my TDS 210 is showing a very
> jittery  ( 9,98-10,02 MHz ) but well formed sine wave for 8 hours of being
> powered on.  Could this also be an artefact of low main power?
>
> regards,
> Mike
>
>
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