[time-nuts] Thought experiment on a low cost timing board
hmurray at suespammers.org
Sat Feb 25 14:47:23 EST 2006
> They have two 12 bit D/As which are summed through a 1:1000 network to
> give around 20 bits of effective resolution at the cost of some
> Because the ratio is only a quarter of the full ratio of the
> individual D/A's, they can always center the interresting range in the
> lower D/A's range.
How well does that work for controlling something like an OCXO from a GPS?
I'd expect that the shifts due to temperature or supply voltage on the big
D/A would be fast enough to cause problems.
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