[time-nuts] Fury Interface Board: 5MHz needed?
Tom Van Baak
tvb at LeapSecond.com
Fri Nov 9 22:18:07 UTC 2007
>>Is the worry, then, about the minor ambient temperature related
>>variations in steady-state oven current? Or something else?
>
> Tom the problem is easy to observe by cooling the OXCO with a fan and
> watching the EFC change.
> I like to think of the issue in EFC steps. The OXCO's internal ground
> bounce is about 100 DAC steps. A fresh off the shelf Z3816 main board adds
> an additional 4mV of ground bounce so the total variation is a fraction of
> 1000 DAC steps.
>
> Peter
I'd like to verify this myself in a similar Z3816A; can you show
me how you got the 100 and 1,000 DAC step figures and also
how you measured the 4 mV value? Do you also have a Z3801A
you can measure?
Thanks,
/tvb
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