Dear all,

I am working on an application where I need to transmit a frequency ramp through two UBX-160 using different carrier frequencies.

I use a split_stream RFNoC block to copy the samples of a ramp generator like this:

[Ramp Generator] ---> [Split Stream] --> Radio 0

'-> Radio 1

However, I see no activity on the radio outputs. If I replace the splitter with, for instance, a DigitalGain block or I remove it, data is transmitted correctly through any of the two daughterboards.

Here is how I connect the blocks:

/  //Connect DDS sweeper to splitter//
//  graph->connect(dds_src_ctrl->get_block_id(), splitter_id);//
//  //Connect splitter to radios//
//  graph->connect(splitter_id, 0, radio_ctrl_id_b, 0);//
//  graph->connect(splitter_id, 1, radio_ctrl_id_a, 0);/

Any help would be appreciated, thanks!



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