Bob
I do agree that all of the test points do make things handy. I have
tinkered with the FRS units successfully. But it was really just guessing.
I would add one point to consider. Most of us that have units have pretty
old units and even if we had the actual procedure, from what I have seen
things have shifted over the years. So aligning them to the spec might not
actually work out. Though the alignment specs would be handy to see what
they were thinking, sort of guidance at least.
Regards
Paul.

On Sun, Feb 17, 2013 at 10:34 PM, Bob Camp <li...@rtty.us> wrote:

> Hi
>
> There *must* be an alignment procedure that sets these things up. They
> didn't put all those test points in there just for the fun of it. I'm sure
> that these units would work a bit better if we knew how to tweak them back
> to the original alignment specs.
>
> Bob
>
> On Feb 16, 2013, at 6:10 PM, Magnus Danielson <mag...@rubidium.dyndns.org>
> wrote:
>
> > Fellow time-nuts,
> >
> > Considering that LPROs is pretty popular, I am a bit surprised that I
> have not seen any major reverse-engineering effort on the LPROs. I have the
> self-compiled LPRO service document, which collects parts of schematics
> from patents, but still.
> >
> > My main reasons for asking is that I want to get a little better
> overview of how they work, how I can tune them up and what signals is
> available where. Naturally, always figuring if there is some interesting
> tweaks to be done.
> >
> > LRPO is just a traditional analogue rubidium, in compact format, sure,
> but never the less.
> >
> > I have noticed that different FPGAs have been used over time. Curious
> about the various jumpers and connectors in it.
> >
> > Cheers,
> > Magnus
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