[time-nuts] X72 Rb units, any experience ?
magnus at rubidium.dyndns.org
Mon Aug 22 22:46:29 UTC 2011
On 22/08/11 23:58, Bob Camp wrote:
> The X72 may run a DDS to do it's output.
It's the output of a programable divider.
See page 37.
> On Aug 22, 2011, at 4:18 PM, Magnus Danielson wrote:
>> On 22/08/11 22:07, Poul-Henning Kamp wrote:
>>> In message<BLU125-W414D2DF78A487E3AFF8ADCE2F0 at phx.gbl>, Mark Sims writes:
>>>> I have a couple of the horrid little beasties... the sine wave
>>>> output is really nasty.
>>> Nasty in what way ? Noise ?
>> Reminds me. Friends of mine had problem with a new rubidium. They had more jitter than the phase-noise motivated. It prooved to be the 100 MHz pumping of the rubidium lamp that broke through, which was obvious when scoping the signal. It wasn't a X72, but it was a small rubidium.
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