[time-nuts] DMTD mixer question

[Lux, James P]

> >
> > Cheers
> >
> > Pablo
> >
> >
> Pablo
>
> Flipflop mixers tend to produce glitches at the beat
> frequency transitions.
> A digital PFD in a PLL doesnt produce a beat frequency output
> when locked so such glitches arent a problem,
>

I don't know that this is the case with modern PLL PFDs.. If only because glitches at the transitions would cause other problems, so there's an incentive to get rid of them.


Jim