When I run dvbt2 transmitter examples from gr-dtv without any hardware, "Probe Rate" block in GRC shows 15e6 samples per second at the output of the Tx (which needs about 9 Msps to work in real-time.)
Next, I connected USRP B200mini, but it showed underruns.
Talking to the community, they said UHD is heavy and suggested other SDR modules like LimeSDR.
But the problem still exists using LimeSDR-USB!
I wonder if there is a way to make "LimeSDR Sink (TX)" catch up with other blocks.
Details:
HW: Orange Pi 5 plus (32GB)
OS: Ubuntu 22.04
GR: v3.10.11.0
Thanks!
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