[time-nuts] HP 5372A TIA Question

Magnus Danielson magnus at rubidium.dyndns.org
Sun Jun 3 15:10:59 EDT 2018


Hi Adam,

OK, good to hear about the progress. Let us know about what you learn
and if you need additional input. I'm curious what is the cause of this
error.

Cheers,
Magnus

On 06/03/2018 04:09 AM, Adam MacDonald wrote:
> Thanks Gents,
> I ran the additional tests recommended by Poul and Magnus and I concur that the interpolator board is not the likely culprit.  I reversed the input cables as well as the pods in separate experiments to rule out those contributors with no different results.  I thought it may be a trigger circuit error so I fed the inputs with a locked TTL signal rather than a sine wave using Manual Trigger with no difference.  It seems to be a coarse count error so I'll investigate the start/stop logic chain.  
> 
> Adam
> 
>        
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