Hi, TX/RX benchmark works well even up to 245.76MHz of sample rate with my USRPX410 (on 10GbE link).
While USRPX410 receiver channel handle high sample rates even far more than 100Msps (245.76MHz), I am not able to transmit high sample rate triangular FMCW waveform with USRPX410 in GNU Radio (by employing VCO to generate chirp signal). It seems VCO (and VCO complex) are not able to generate FMCW signal in high sample rate more than 50Msps, and It issue several underrun errors. Is there any solution to overcome it. Or without using VCO, what are the other solutions to transmit triangular FMCW waveform through GNU Radio and USRPX410? Thank you.
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