On Thu, Dec 6, 2012 at 4:09 PM, dlewis6767 <dlewis6...@austin.rr.com> wrote:
> could you not add just a little 'glue' outside the uP to relieve it a tad. > > Let the GPS' 1pps gate some ttl counters and then read for overflow or > underflow after xxx seconds. Have the uP determine dac correction setting > back to the TXCO. > > That is why my first post was to ask "What is the simplest phase defector that can work?" I think you only need a one-bit counter. A flip-flop will do that. The FF is a classic phase detector used in many PLL -- Chris Albertson Redondo Beach, California _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
