Uwe Klein <[EMAIL PROTECTED]> writes: >Unruh wrote:
>> Since my GPS is only good to just under a usec, and since servicing of >> interrupts is also at that level, it does not really seem to matter. The >> program I wrote was to run off the parallel port interrupt, but it seems to >> have about 2usec jitter on readout. >That is about the time an 8Bit ISA buscycle takes +- . >Is the jitterdistribution a gauss bell or a box? >uwe It seems to be a "bell". A bit hard to tell since the clock only has a usec resolution, so one is working near the quantization limit. But it is definitely larger than 1usec, and nearer 2.5-3usec. _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions