[time-nuts] Si5351A

Thomas S. Knutsen la3pna at gmail.com
Tue Nov 11 18:53:23 EST 2014

John Miles did the phase noise measurments, they are avaible here:


2014-11-11 21:49 GMT+01:00 Joseph Gray <jgray at zianet.com>:

> Some of you have probably already heard of this new clock generator chip
> from Si. News of a board with this chip from Adafruit just came up on a
> local Amateur list today. A quick Google shows that some folks have used
> this chip in homebrew SSB rigs.
> My concern would be that when this chip generated frequencies that required
> non-integer PLL ratios, that the jitter would be unacceptable for SSB use,
> and even worse for CW.
> As for the Adafruit board, they are using a crystal spec'ed for 30ppm
> accuracy and stability. Not something I'd want to use in a radio. Perhaps
> the "C" version of the chip, fed by a TCXO.
> What do you think about the jitter issue?
> Joe Gray
> W5JG
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.


 Please  avoid sending  me  Word  or  PowerPoint  attachments.
 See  <http://www.gnu.org/philosophy/no-word-attachments.html>
PDF is an better alternative and there are always LaTeX!

More information about the time-nuts mailing list