t...@leapsecond.com said: > You only need enough bits to cover the worst case OCXO frequency drift or > the worst case GPS jitter error, per second. For example, if your OCXO stays > accurate to 1 ppm it can't possibly drift more than 1 us per second. > Similarly, it's a safe assumption that your GPS 1PPS stays within 1 us of > correct time. Therefore, the maximum number of 100 ns ticks you will be off > in any second is +/-10. So even a 8-bit counter is enough. Does this make > sense now?
Am I confused or did you forget to add the 2 errors to cover the case when they both happen during the same second? 2 us or a count of 20 is still tiny, even for an 8 bit counter. -- These are my opinions. I hate spam. _______________________________________________ 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.
