Hi,

I am currently working on a custom block that implements
Listen-Before-Talk directly on the X310 and I have question regarding
the latency that I can expect in between RFnoC blocks. This article [1]
claims that each block delays the signal by about 2us which would put
the turn-around time for my block to about 10us (RxRadio -> DDC ->
custom block -> DUC -> TxRadio) but I am measuring turn-around times of
roughly 150us, far higher than expected. My custom block does not buffer
anything besides some flops.

Has anyone an idea what might be the cause of this? I already tried
reducing the spp of the radio with very limited success.

[1] https://pubs.gnuradio.org/index.php/grcon/article/view/37


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