In article <[EMAIL PROTECTED]>, [EMAIL PROTECTED] (Mauro Fiacco) wrote:
> We are able to correct both offset (which is added to the counter) and > frequency (through a DAC). Replacing part of the clock discipline by analogue processes may be a sufficiently radical change from the NTP processing model that the result may no longer be NTP. In particular, the current NTP model assumes a very accurate equivalent of the voltage to frequency characteristic. > We require to mantain the frequency drift of our OCXO within 100ppb (we You may have problems if this is a hard limit, rather than a 90 percentile one. > Once we got hold of a decent NTP server (a linux PC using pps from a > stable source) we will start to test out system. Do you have some > suggestion on the best way to test our system? This is beginning to sound like a homework question. I think you need to tell us the real application both so that we can rule out homework and so that we know the political constraints and can, otherwise, consider solutions for the real problem, not the sub-problem posed here. _______________________________________________ questions mailing list [email protected] https://lists.ntp.isc.org/mailman/listinfo/questions
