I am using a UHD source in GRC. I configured it to stream from both the RX ports. The first port is tuned to 2.437 GHz and the another to 2.435 by providing a lo_offset of 2MHz.
Samples from first port go under some processing and then have to be added to samples coming from the second port. When I run my set up, the green LEDs of the ports blink for once and stop receiving any more. I am attaching the grc file for reference. When I run it without the "ADD" block, it streams fine with both the channels streaming. What I am missing here ? Regards -- Sumit Kumar
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