That's kinda odd now that I think about it, I had a similar problem and on
an oscilloscope it looked like DAC clipping, but I could have been
non-linearity in the final amp, what kind of problems do XCVR2450 have at
high outputs?

On Tue, Jan 31, 2012 at 9:00 AM, Marcus D. Leech <[email protected]> wrote:

> **
> On 31/01/12 08:37 AM, Andrew Davis wrote:
>
> >One thing that I noticed was that the --tx-amp=0.8. That's very high for
> OFDM with it's large PAPR.
>
>  I'm thinking that too, there really should be some kind of warning when
> you drive the DAC to saturation.
>
> It's not the DAC that's typically the problem, it's the final RF amplifier
> on the daughter-card, and
>   that's not precisely predictable from the software side.
>
>
>
> --
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortiumhttp://www.sbrac.org
>
>
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