[time-nuts] Fury Interface Board: 5MHz needed?
nebula at telus.net
Thu Nov 8 05:29:54 EST 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.
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