kb8tq at n1k.org
Tue Nov 11 18:48:12 EST 2014
When you look at the parts some people use in radios, this one is better than some of them. No, it’s not what I would use.
> On Nov 11, 2014, at 3:49 PM, Joseph Gray <jgray at zianet.com> wrote:
> 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
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