Precisely my point. My oscillator's tuning range and the timer frequency and the sampling interval dictated the minimum number of timer bits needed. In my case, as I recall, eight was not enough. Once locked, yes, but not initially.
> On Apr 10, 2014, at 14:26, Hal Murray <[email protected]> wrote: > > > [email protected] said: >> I should have said warm start, not cold. I was referring to the code, not >> the oscillator. So tell me, the OCXO is warm, there's no previous EFC >> information to draw upon, and the oscillator is off-frequency by more than >> can be measured with, let's say eight timer bits. What do those early >> measurements tell me, and which direction from midway should the EFC be >> adjusted? > > What's the tuning range of the osc? 1 ppm is 1 usec or 10 counts at 100 ns. > 10 ppm is 100 counts. That fits in 8 bits. > > -- > These are my opinions. I hate spam. > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
