Hi everyone, I'm glad to report this can indeed be accomplished at full samples rate on each channel with stock UHD 4.6.0.0, with code similar to what's documented here (I did it in python):
https://kb.ettus.com/Using_the_RFNoC_Replay_Block_in_UHD_4 One just does the same setup on two replay block channels. The sample rates can even be different. Thanks Maximilian, Lars and everyone ---- From: Chapman, Christian - 0664 - MITLL <christian.chap...@ll.mit.edu> Sent: Thursday, April 18, 2024 5:08 PM To: usrp-users@lists.ettus.com Subject: [EXT] [USRP-users] Transmitting on both X300 channels without streaming samples Hi, I'm interested in using an X300 to repeat several 100 ms of >100 MHz samples, a different signal on both channels, and my host computer can't stream samples into the X300 continuously. It would seem the RFNoC replay block could serve this need, but according to a thread from Thomas Harder on a very similar question[1] some firmware change is required. Thomas seems to have settled on the approach I can't use: his samples are streamed continuously via 10G Ethernet. If I understand properly, Rob Kossler's txarb block can serve this need, but I can't find it published it anywhere. Do I have to recreate something similar to do what I need? More broadly, has anyone done this and/or have simpler solutions appeared in the last few years? [1]: transmitting on two channels with replay block, msg09472 Thank you, Christian
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