[USRP-users] TX port return loss limits? (USRP-2974)

2022-06-15 Thread Dominic Schaub via USRP-users
Please forgive me if this information is out there and I just happened to miss it. I have an application where I won't have a good match between one of the output TX ports on the USRP 2974 and the connected load . What is the maximum permitted reflected power? Can I go all the way to 20 dBm TX

[USRP-users] Re: x410 x4_200 connectivity question

2022-06-15 Thread Wade Fife
Hi Bob, Question 1: With the x4 bitstream, the X410 puts a separate 10 GbE interface on each lane of its QSFP28 port 0 (the QSFP port has four lanes). There are breakout cables that go from one QSFP to four SFPs if you have cards with SFP ports, or, if your card supports four 10 GbE ports on a sin

[USRP-users] Re: Configure Xilinx IP using AXI4-Lite

2022-06-15 Thread Wade Fife
Sadly, I don't think there is one in the UHD repo. I don't know of anyone who has written one. Wade On Wed, Jun 15, 2022 at 6:19 AM Florent Allard < florent.all...@telecom-paris.fr> wrote: > Hello, > > After having implemented into a RFNoC block the Xilinx IP LDPC Decoder and > Encoder for 5G,

[USRP-users] x410 x4_200 connectivity question

2022-06-15 Thread Tillson, Bob (US) via USRP-users
So I am on the x4_200 image and am wondering what the "correct" way to setup the transport is. I currently have a single qsfp28 connection on the x410 to a single 100 GbE port on a mellanox card. Question #1: Looking at the description of the fpga image it describes the x4_200 as "4 x 10GbE",

[USRP-users] Configure Xilinx IP using AXI4-Lite

2022-06-15 Thread Florent Allard
Hello, After having implemented into a RFNoC block the Xilinx IP LDPC Decoder and Encoder for 5G, I’m trying to implement the Xilinx IP Polar Decoder/Encoder. However, the Polar IP requires to be configured with an AXI4-Lite interface. I know that RFNoC data planes are compliant with AXI-Stre