RFNoC Radio runs at a constant 200Msps. Use DUC parameters: input rate 1Msps, output rate 200Msps. Use Radio parameter: Sampling Rate 200Msps.
I don't know why you're getting a gain error. What daughterboard are you using? In addition, you probably don't need the DMA FIFO for this FG. Nick On Thu, Jul 23, 2020 at 11:34 AM Hodges, Jeff via USRP-users < usrp-users@lists.ettus.com> wrote: > Has anyone been able to transmit with RFNoC Radio using the standard FPGA > image from UHD.3.15.LTS? > > > I have a clean installation and ran SigGen --> RFNoC: DmaFIFO --> RFNoC: > DUC --> RFNoC: Radio > > > Most basic flow graph ever. It does not work. I get a run-time error. > > > Traceback (most recent call last): > File "/home/nvd/Documents/top_block.py", line 169, in <module> > main() > File "/home/nvd/Documents/top_block.py", line 157, in main > tb = top_block_cls() > File "/home/nvd/Documents/top_block.py", line 84, in __init__ > self.uhd_rfnoc_streamer_radio_0.set_tx_gain(0, 0) > File "/usr/local/lib/python2.7/dist-packages/ettus/ettus_swig.py", line > 3235, in set_tx_gain > return _ettus_swig.rfnoc_radio_sptr_set_tx_gain(self, gain, chan) > RuntimeError: _Map_base::at > > > > Jeff > ------------------------------ > *From:* USRP-users <usrp-users-boun...@lists.ettus.com> on behalf of > Hodges, Jeff via USRP-users <usrp-users@lists.ettus.com> > *Sent:* Wednesday, July 22, 2020 8:49:05 PM > *To:* usrp-users@lists.ettus.com > *Subject:* [USRP-users] X310 RFNoC Basic Transmit Signal Source Flowgraph > Not Working > > > I get a set_tx_gain error running a basic signal generator through RFNoC > Radio: > > Signal Source -> DMA FIFO -> DUC -> Radio (See image below) > > > This is equivalent to: > Signal Source --> USRP Sink (Works fine) > > > https://kb.ettus.com/File:dma_fifo_v02.png > > > <https://kb.ettus.com/File:dma_fifo_v02.png> > > Traceback (most recent call last): > File "/home/nvd/Documents/top_block.py", line 169, in <module> > main() > File "/home/nvd/Documents/top_block.py", line 157, in main > tb = top_block_cls() > File "/home/nvd/Documents/top_block.py", line 84, in __init__ > self.uhd_rfnoc_streamer_radio_0.set_tx_gain(0, 0) > File "/usr/local/lib/python2.7/dist-packages/ettus/ettus_swig.py", line > 3235, in set_tx_gain > return _ettus_swig.rfnoc_radio_sptr_set_tx_gain(self, gain, chan) > RuntimeError: _Map_base::at > > > I am using 3.15.LTS. > > > Any ideas? > > > Thanks, > > > Jeff > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >
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