On 2022-05-07 08:22, ?? WANG Cui wrote:
Hi,
I searched around and still can’t get clear answer, so I would seek
help here.
I want to simultaneously transmit 2 baseband files which are different
sample rate (one is rate 2.5 MHz at freq 1.5 GHz, and the other is
rate 8 MHz at freq 1.8 GHz), and would like to utilize 2 daughter
boards of X300.
I tried to configure it with 2 multi_usrp objects, but the call failed
when get second tx_streamer (however, the first get call succeed.),
with: Error: RuntimeError: Multiple sampling rates downstream of TX
terminator 0: ...
I know X300 can transmit/receive 2 channels at 2 different sample
rate, just wonder is it possible to simultaneously transmit 2 channels
as described above? Or have to resample one file to the same sample
rate of the other file, then transmit together?
Thanks in advance,
WANG Cui
You can't have multiple multi_usrp objects pointing to the same device,
so you'll have to resample one of your streams and use a
single multi_usrp object.
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