Hello everyone,
I am trying to understand the usage of the Adder/Subtractor block in RFNoC, as I would like to create my own RFNoC block with similar functionality. I have the following flowgraph in GNU Radio: Const Source --> | | --> DUC (5->200 Msps) --> | | --> Radio A |DmaFIFO (2 ports)| |Adder/Subtractor| Const Source --> | | --> DUC (5->200 Msps) --> | | --> Radio B This flowgraph produces lots of underflows. However, when I bypass the Adder/Subtractor block, the flowgraph runs as expected. What understanding about this block am I missing? Does it not support a sample rate of 200 Msps, and if so, where/how is the maximum sample rate determined/defined? Thank you in advance for your assistance. Adam Parower
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