[time-nuts] Wikipedia Dual-modulus prescaler item
Peter Vince
pvince at theiet.org
Thu Dec 21 19:54:51 UTC 2006
Thank you David - yes, that is crystal clear now!
> Notice that the output pulse spacing is irregular, which is why you
> can't use this method for dividing a frequency to make another
> frequency. You can only use it to make a precise number of pulses in
> a given period.
Perhaps if you could arrange for the divide-by-sixes (in your example) to
be distributed amongst the divide-by-fives (so minimising the phase
drift), then a using a simple longish time-constant PLL could give you
the desired frequency?
Peter
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