[time-nuts] Thought experiment on a low cost timing board

Hal Murray 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
> discontinuities.

> 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. 

Neat.  Thanks.

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.

The suespammers.org mail server is located in California.  So are all my
other mailboxes.  Please do not send unsolicited bulk e-mail or unsolicited
commercial e-mail to my suespammers.org address or any of my other addresses.
These are my opinions, not necessarily my employer's.  I hate spam.

More information about the time-nuts mailing list