[time-nuts] ADF4001/4002 startup questions

[Neil Schroeder]

I got myself a bus pirate - thanks for bringing that forward in my brain.

I got a lot of great responses thank you everyone.

On Wednesday, November 19, 2014, Bob Camp <kb8tq at n1k.org> wrote:

> Hi
>
> The 4001 is pretty forgiving of order of load issues. I’ve always just
> followed the order in the AD app notes and it’s worked fine.
>
> I’d recommend getting any of the USB logic level scopes and tacking it
> onto what you have. The ones I have seen are plenty fast enough for this
> kind of thing. The software that comes with them lets them run as a logic
> analyzer with deep enough memory to see the whole load process. If you are
> half as prone to error as I am, it will pay for it’s self pretty fast.
>
> Bob
>
> > On Nov 19, 2014, at 12:35 PM, Neil Schroeder <gigneil at gmail.com
> <javascript:;>> wrote:
> >
> > Morning nuts-
> >
> > I'm aware several of you use the ADF4002 for a simple small PLL in your
> > radios.  Could any of you share some example bits or maybe even the code
> > you use during startup?   I know what my latch values should be, but I
> > don't seem to be getting them wrapped in the right control bits.
> >
> > I am a hardware guy, this software stuff is coming to me slowly.  Thanks
> > for any help, feel free to reply directly.
> >
> > NS
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