Hi The sawtooth correction needs an accurately calibrated time offset measurement to work against. That's not a requirement for a simple loop. Not impossible to do, but it adds another constraint.
Bob On Feb 12, 2012, at 3:05 PM, Chris Albertson <[email protected]> wrote: > On Sat, Feb 11, 2012 at 4:45 AM, Bob Camp <[email protected]> wrote: >> Hi >> >> Another way to build an analog phase detector... >> >> Next layer on the onion is how to get the sawtooth correction out of the GPS >> and into your loop. >> > > Assuming you have a uP in the loop the sawtooth is easy the GPS sends > the value out it's serial port. > > I think a sample and hold could work as well as a time to voltage but > the sample and hold that can work a 10Mhz will not be a cheap part > while time to voltage cane made from parts many people already have > and if not none of the part cost even 50 cents. > > I'm weeks away form getting this to work, today I hope to complete a > fan controller to temperature control the box the Rb. lives in. > > > > Chris Albertson > Redondo Beach, California > > _______________________________________________ > 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.
