I would use a digital pot for coarse setting. Or a manual trimpot. That way
your control signal holds even if your comparison goes away or if for some
reason your loop comes out of lock. Something like that also reduces the noise
contribution of the DAC.
Simon
=
Date: Thu, 6
In past designs I just included an EEPROM so in the event of a cold
start, the last settings would be known.
On Thu, 6 Dec 2012 10:45:48 -0800 (PST), M. Simon
msimon6...@yahoo.com wrote:
I would use a digital pot for coarse setting. Or a manual trimpot. That way
your control signal holds even
