On 9/19/12 4:38 AM, Bob Camp wrote:
Hi
Commonly this sort of thing is done with a sample and hold in the loop. No
reference in / put the loop voltage in hold. You still have a phase drift and
need to cope with the phase offset when the reference comes back.
or, in our case, we run the loop, but don't have any error signal input
(if you have a second or third order loop, you might as well essentially
predict what is going on)
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