Xcvr2450

Dear Matt and All,

I can see in the data-sheet of the MAX2829 that there is some form of
calibration mode. I don’t really understand what it does. Is it used ?

BR/
Per

On 04/13/2010 08:10 AM, Per Z. wrote:

Dear Matt and All,

I can see in the data-sheet of the MAX2829 that there is some form of
calibration mode. I don’t really understand what it does. Is it used ?

It is used to calibrate out DC offsets and IQ balance. We do not
currently use this mode, but with a little bit of driver work and some
flowgraphs we could.

Matt

Another question on xcvr2450:

In the firmware I can see that the maximum linearity is not switched
on. Can I do it ? Does it make sense ?

BR/
Per

On 04/14/2010 03:38 AM, Per Z. wrote:

Another question on xcvr2450:

In the firmware I can see that the maximum linearity is not switched on.
Can I do it ? Does it make sense ?

You can experiment with all of those settings, and I would encourage you
to do so in order to get the best performance for your application. The
settings we have chosen seem to be a good compromise, but there are so
many different uses that there is not one optimum set of settings.

I think maximum linearity mode may cause slightly more current draw, but
that won’t be a problem.

Matt

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