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 > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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