[USRP-users] X310: Changing DRAM Clock Frequency

Hello all, I would like to know if it's possible to change the X310 DRAM clock frequency. My current understanding is that it runs at 300MHz, and I want to run it at 200MHz (same as the master clock). When reviewing default image_core.yml and the replay/axi_dma_fifo blocks, I can see that the clo

[USRP-users] [X310] set_command_time introduces unexpected delay dependent on sampling rate.

I'm using timed commands to set the RX gain at a precise moment with the following command: set_command_time(md.time_spec + uhd::time_spec_t(0.02), 0); However, I noticed that there is a delay between the specified time and the actual time when the gain is applied. This delay is significantly l

[USRP-users] X310 transmit multi streams on single radio channel

Hi, I’m developing a solution on X310+UBX160 SDR, the solution is the one depicted in the picture: I have 4 streams at 2MHz bandwidth each, but they are spaced each other of 35 MHz around F0 so that the total frequency span is around 140MHz. Now I have to transmit these signals on a single X310

[USRP-users] X310 RIO Session Initialization Failure (Error code -63150)

I'm experiencing an initialization issue with my Ettus X310 USRP device. My setup consists of an Ettus X310 connected through a PCIe Card using a Molex cable to my Linux machine. I'm running Ubuntu with kernel version 6.8.0-51-generic and have installed all the necessary UHD packages on the sys

[USRP-users] X310 Bursts/Buffering with Timestamp data

**Hi,** **Hopefully you can help me out with some clarification and help on a few questions.** **We are using the X310 all with timestamps as we try to get an understanding of the behavior.  We have created several scenarios to try out start of burst and end of burst and have noticed different

[USRP-users] X310 clock signal for aliasing (BasicRX daughter board)

I am investigating chopping a signal with a fast track and hold to bring a microwave signal to baseband without relying on a mixer (I can explain why if needed but I'll skip this background part for the moment). To achieve this result I would like to fit a BasicRX board installed in a X310 wit

[USRP-users] X310 - RfnocError: OpTimeout: Control operation timed out waiting for ACK

Hi all, My setup: Ubuntu 20.04, UHD_4.7.0.HEAD-0-ga5ed1872, DPDK_19.11, X310 w/ newly updated XG image, Intel X710 NIC I’m trying to get DPDK working with the X310 but I’m failing on step 0. Running any of the example programs (without DPDK for now) gives me the same error:\ \ `/usr/local/lib/u

[USRP-users] X310 Buffers - 200Msps

Dear Ettus Support Team, I hope this message finds you well. We are currently using the X310 (FPGA 39.2) with a 10GigE interface, handling 1996 samples (4 bytes each) per packet. Despite following all recommended setup tips and tricks for the USRP and our Linux box, we occasionally encounter “U

[USRP-users] x310 Not Sending Jumbo Packets (>8000 bytes) as 1 Packet on 10GigE

We have followed all instructions on the website and searched the forums with no solutions. I have provided much evidence below that USRP/UHD driver is not behaving properly in this case.\ \ We are trying to send a 8192 byte packet to the x310 with the latest UHD 4.6 (FPGA 39.2) which also didn’

[USRP-users] X310 light up but no real transmission happens!

Hi everyone, I am running a gnuradio generated code on NI-X310. The TX port lights up red but there is no transmission on the air. I have done different debugging steps, from replacing the cables to replacing the whole USRP. By replacing the USRP with another X310, the transmission is smooth as

[USRP-users] X310

Added keep 1 in n block , could some one give me details on how to test this block?\ \ I’m currently working on usrp x310 ___ USRP-users mailing list -- usrp-users@lists.ettus.com To unsubscribe send an email to usrp-users-le...@lists.ettus.com

[USRP-users] X310 Twinrx matlab issue

Dear all, I have been using X310 (two SBXs) to run a matlab example with no issues. Recently we bought another X310 (two Twinrxs) to run the same matlab code (using the same machine), however, I have been facing some issues. I had to update the firmware by using sdruload() on matlab however whe

[USRP-users] X310

Could some help me if this is working as expected? \ ./bin/txrx_loopback_to_file --tx-args addr=192.168.10.2 --rx-args addr=192.168.10.2 --tx-rate 100e6 --rx-rate 6.5e6 --tx-freq 20e6 --rx-freq 18e6 Creating the transmit usrp device with: addr=192.168.10.2... \[INFO\] \[UHD\] linux; GNU C++ ver

[USRP-users] X310/UBX-160 power_mode "powersave"

Hello. Performance mode isn't always needed, and I am having trouble putting both radio boards into powersave mode to cut down on some of the power/heat generated while idling. Using UHD 4.6.0.0. I have tried the following to no avail. No compilation errors, just doesn't make the change and the

[USRP-users] x310 USRP -- Performance questions

Hi, I am working with an x310 + the UBX-160 daughter card. Ettus has a couple of URLs with various block diagrams and plots:  BLOCK DIAGRAM: https://files.ettus.com/schematics/ubx/UBX-160_revE.pdf and performance measurements (plots: Pwr, OIP2, OIP3 etc.)  PLOTS:  https://files.ettus.c

[USRP-users] x310 BasicRX Daughterboard GPIO pins in Ethernet Payload

Greetings, With the UHD 4.x and the radio being a block in the RFNOC, is there a way to write the signals input to the GPIO pins of a BasicRX daughterboard to the Ethernet payload? I understand they can be used to control the radio, but I’d like to see their state in an output binary stream (s

[USRP-users] X310 Timestamp Accuracy

Hello,   We have an X310 that is connected to a high precision GPSDO 10 MHz reference and 1 PPS signal.   1. How precise is the timestamp generated from the 1 PPS signal (assuming a perfect 1 PPS)? 2. Is it limited by the master 200 MHz clock to +/- 5 ns? Or the sample rate? 3. Is there a w

[USRP-users] X310/UBX Tx tuning issue introduced UHD 4.4?

Hi, I am having an issue with successfully tuning the frequency for the Tx side of an X310/UBX and it appears to me that a bug was introduced in UHD 4.4 (I haven't checked more recent versions, but I expect that they are also affected). The issue is that when you request a frequency such as 2450 M

[USRP-users] X310 not working

Hello support team and members, Recently tested the USRP x310 using uhd_usrp_probe command. However, it did not seem to work.\ The SFP port does not seem to blink after connected to LAN cable. The USRP was also not pingable.\ Hence I tried the [device recovery manual](https://kb.ettus.com/X300/

[USRP-users] X310 Appears Laggy Using UHD 4.5

Hello, We are developing a radar application built on the Ettus SDR platforms. Our code runs well on an X310 with UBX160 daughterboards using UHD 3.15 and a B205mini-i using UHD 4.1 and another B205mini-i using UHD 4.4. We want to take advantage of recent power calibration utilities and other f

[USRP-users] X310 problem with LLLLL

Hi everyone, i am working with openairinterface, and i am experiencing a strange behavior with the X310 (branded USRP-2954R before flashing).When i run a code with a certain configuration file using a B210 everything works as expected, while when using an X310 i almost always end seeing a flood

[USRP-users] X310 Remote Streaming

Hello, We have an X310 and are trying to use the remote streaming option. We are using UHD v4.3.0.0 and trying to follow the example on the Device Streaming page in the UHD manual. The problem we are seeing is that the dest_port that we are setting is not being used, instead it seems like the x

[USRP-users] X310 Dual 200 Msps Streaming

Hello All, I am trying to transmit on two UBX-160 daughterboards within a single X310 at 200 Msps using UHD 4.1.0.5-3. I am experiencing periodic underflows, and I have already applied all of the tips in the "USRP Host Performance Tuning Tips and Tricks" application note, with the exception of u

[USRP-users] X310 independent executables

Hi, is it possible to use a single X300/X310 equipped with two daughterboards (say, UBX-160) with a single host connected with two Ethernet cables to the USRP with two different executables? For instance, is it possible to run simultaneously two instances of rx_samples_to_file each of which rece

[USRP-users] X310 Conexion error

Hello, I am working with a usrp X310 equipped with two TwinRx and I am having connection problems. When I connect it to the PC the LEDs on the 10G Eth connector do not light up. When I open the case I can see that the internal DS16, DS17, and DS1 LEDs don't light up either, compared to another X31

[USRP-users] x310 FW error

HI, I am trying to issue the following command: mau@mau-Vostro-3500:/usr/lib/uhd/examples$ ./benchmark_rate --rx_rate 10e6 --tx_rate 10e6 but the answer is a runtime errot due to wrong fpga release, unfortunately I am not sure that the FW and FPGA inside the unit was not modified in the past. Cp

[USRP-users] X310 GPIO Latency

I've been working on a software keying loop with the GPIO on an X310, and I measured the latency for setting a GPIO pin output wrapped back into a GPIO input to be around 5 ms on average. This was done by setting a pin manually, and then immediately polling the input pin to see how long before

[USRP-users] X310 calibration

I have noticeable lo leakage when running the cpp rfnoc replay samples from file. So I ran the calibration functions but it doesn't seem to be using the created files since I did not notice a difference. Is there a function call or setting in cpp I need to add? I thought it would be automatic. U

[USRP-users] X310 operation temperature

Hi there, Has anyone operated X310 at about 45 to 50 degrees for long-term usage? The X310 manual website states that the operating temperature is 25 degrees C. Is there any safe range for X310 tested by test engineers or experiments? Thank you. ___ U

[USRP-users] X310 won't boot without reflash

Apologies if this is a repost. I don't think my original message made it to the list for some reason. I recently got my hands on a used x310. It seems to work well, but for some reason will not boot on its own. Vivado hardware manager shows the device as not being programmed, and the network in

[USRP-users] x310 with WBX-120 LO: unlocked

Hello, I'm trying to create a simple loopback application (using the same DB for TX and RX) with my X310, but I'm having problems. The setup is an X310 with WBX120 (TX/RX for transmission and RX2 for receiving). I traced the issue back to running the "txrx_loopback_to_file" uhd example with fo

[USRP-users] X310 Daisy Chain

Hi, Am I able to daisy chain two X310s using the second 10 Gigabit Ethernet port with a 10 Gigabit Ethernet cable ? This would remove the requirement for an Ethernet switch. Thanks! Ernest ___ USRP-users m

[USRP-users] X310 laptop conexion

Good morning, I would like to connect two USRP x310 cards to a HP Zbook 15 G3 laptop, which has only one RJ45 port. I need it to operate at maximum speed (200MS/s), with two 10GB ethernet ports, but I can't find a way to do it, is this configuration possible, what would be the right option to conne

[USRP-users] X310 with two BasicRX Daughterboards

Hi All, Can anyone having successful experience with X310 + two BasicRX Daughterboards confirm that such a setup works? We can make it work for the following settings: i) X310 + one BasicRX, ii) X310 + two BasicTX, iii) X310 + two SBX for both TX and RX, iv) two N210 + MIMO cable + two BasicRX. Bu

[USRP-users] X310 based programs cannot run stably for a long time

Hi dear Engineers of Ettus Research, Our application written based on UHD and USRP X310 cannot run for a long time(The longest time did not exceed 48 hours). The x310 is connected to the computer through a 10GbE network card (X520). We have tried to use versions 3.15 and 4.1.0.5. UHD throws diffe

[USRP-users] X310 Image Flashing Problem: "Error: RuntimeError: Device reported an error during initialization."

Hello all, I am using UHD 4.0 and when I look at the FPGA using Vivado over JTAG, I see that the FPGA is not programmed. So I send HG bitstream which is downloaded with "uhd_images_downloader" via JTAG to X310 (USRP-2945R). I am able to successfully ping the X310 and observe daughterboards and

[USRP-users] X310 FPGA errors

Hi list, I occasionally, unpredictably, get FPGA-related errors. Usually some sort of FPGA timeouts, so I have to reset the USRP after these errors, which is rather inconvenient. The software is C++ using the UHD 4 multi-usrp API. Without going into too much detail, I wonder if there is anyt

[USRP-users] X310 USRP Dual TwinRX LEDs not turning on properly

Am re-posting my issue that I raised on the github here. Issue Description X310 with two TwinRX daughterboards, opening all 4 channels for receive via a subdev spec of "A:0 A:1 B:0 B:1", and channels "0,1,2,3", results in only the RX2 lights of both daughterboards turning on. Further experiment

[USRP-users] x310 in cold temperatures?

Anyone have experience using an x310 and/or the UBX-160 daughter card at sub freezing temperatures? I know it's not guaranteed to operate below 0 C on datasheet but curious if anyone has given it a go with any success. I am in process of readying my system for use in the field and wondering if

[USRP-users] X310 RFNoc radio block question

Ettus documentation suggests the radio can be configured for a 25 MS sampling rate (The master 200M / 8). I’m wondering if it is possible to get the RFNoc RX \*Radio block \*to do this without the DDC block. Is that possible? Entering anything other than 200M in the “Sample Rate (Hz)” field

[USRP-users] X310 ethernet connection failure

I had problem talking to my x310 device over ethernet. Does anybody have similar experience? The following external hardware are used to test my x310 units: * host PC with 10G intel NIC * 192.168.10.1 static IP, connect to X310 port0 using SFP adaptor & CAT-6 cable * 192.168.40.1 static I

[USRP-users] X310 Synchronization

Hi all, I am using X310 as an MIMO transmitter to send two data streams. I observed from the received signal that the two data streams are misaligned in the time domain. I suspect that it is the X310's timing/frequency synchronization problem. Below is the output information. Is there any C++ API

[USRP-users] X310 with thunderbolt 3 laptop

Hello, I would like to use the X310 with a thunderbolt 3 laptop (running Ubuntu) to get as much throughput as possible. I recall from a few years ago, the recommended solution is to install the 10 GbE network card accessory into the Akitio Node Lite

[USRP-users] X310 with PCIe transport: GPSDO reset on each application run

Hi All, There is issue with GPSDO when PCIe connection is used on USRP X310. On each start of any UHD based program GPSDO gets reset/power cycle. Just after starting any program that streams/receives samples GPSDO sends through UART following text: ***

[USRP-users] X310

Hi, Quick Question, Can I run USRP X310 with a single UBX 160 MHz daughteboard, or do I have to have 2 daughterboards in order to run X310. Regards, Muhammed Mustaqim ___ USRP-users mailing list -- usrp-users@lists.ettus.com To unsubscribe send an ema

[USRP-users] x310 PPS issues

Hello, I'm using a series of x310 USRPs synchronized together using both an external 10 MHz reference and a PPS. I have two configurations: in my lab an Octoclock provides the PPS signal, and in the field configuration I use a GPS referenced stratum 1 NTP server

Re: [USRP-users] X310 with dual TwinRX set up

On 03/10/2021 06:15 PM, Rob Kossler via USRP-users wrote: Hi Oliver, I don't have any example code to provide (and I don't use gnuradio), but I can address a couple of things: - the first step is to get all four channels recognized (as you indicated); perhaps using subdev spec "A:0 A:1 B:0 B:1"

Re: [USRP-users] X310 with dual TwinRX set up

Hi Oliver, I don't have any example code to provide (and I don't use gnuradio), but I can address a couple of things: - the first step is to get all four channels recognized (as you indicated); perhaps using subdev spec "A:0 A:1 B:0 B:1" - synchronizing in time is definitely possible. From gnuradio

[USRP-users] X310 with dual TwinRX set up

Hi I am trying to set up an X310 with 2 TwinRX boards such that: - each RF channel may be tuned to a different GNSS L-band frequency - all four RF channels may be synchronised in time - data streaming on all four channels at 100 MS/s (we are using dual 10G Ethernet for this) I'm pretty much a b

Re: [USRP-users] x310 two UBX daughterboard receiver

On 03/08/2021 01:22 PM, Xiang Ma wrote: I have tried to first use GNURadio to write a program in GRC. And implement my code referring to the generated top_block.py The following code works ``` from gnuradio import uhd def u_source(self): self.source = uhd.usrp_source( device_addr=sel

Re: [USRP-users] x310 two UBX daughterboard receiver

I have tried to first use GNURadio to write a program in GRC. And implement my code referring to the generated top_block.py The following code works ``` from gnuradio import uhd def u_source(self): self.source = uhd.usrp_source( device_addr=self.usrp_address_source, stream_args=uhd.

Re: [USRP-users] x310 two UBX daughterboard receiver

On 02/18/2021 11:47 PM, Xiang Ma wrote: If I want to use slot A as transmitter, slot B as receiver, can I do like this: self.source.set_antenna("RX2", 1) self.sink.set_antenna("TX/RX", 0) You'd need to set the antenna for the receive side in both slots to "RX2": self.source.set_antenna("RX2",

Re: [USRP-users] x310 two UBX daughterboard receiver

If I want to use slot A as transmitter, slot B as receiver, can I do like this: self.source.set_antenna("RX2", 1) self.sink.set_antenna("TX/RX", 0) In this page, it said *The default subdev spec is "A:0 B:0", which means slot A is mapped to channel 0, and slot B is mapped to channel 1.* http://lis

Re: [USRP-users] x310 two UBX daughterboard receiver

On 02/18/2021 10:16 PM, Xiang Ma wrote: Are there any python code for this? I am using the python interface. You'll have to kind of infer what to do from the C++ example--there is no Python version of that example. On Thu, Feb 18, 2021 at 7:44 PM Marcus D Leech mailto:patchvonbr...@gmail.c

Re: [USRP-users] x310 two UBX daughterboard receiver

Are there any python code for this? I am using the python interface. On Thu, Feb 18, 2021 at 7:44 PM Marcus D Leech wrote: > Well there’s the rx_multi_samples example that is part of the UHD source > tree. > > Sent from my iPhone > > On Feb 18, 2021, at 9:32 PM, Xiang Ma wrote: > >  > Do you

Re: [USRP-users] x310 two UBX daughterboard receiver

Well there’s the rx_multi_samples example that is part of the UHD source tree. Sent from my iPhone > On Feb 18, 2021, at 9:32 PM, Xiang Ma wrote: > >  > Do you have any example code? I am still confused. > > Thank you. > >> On Thu, Feb 18, 2021 at 5:50 PM Marcus D Leech >> wrote: >> Jus

Re: [USRP-users] x310 two UBX daughterboard receiver

Do you have any example code? I am still confused. Thank you. On Thu, Feb 18, 2021 at 5:50 PM Marcus D Leech wrote: > Just create a 2-channel USRP source and specify a subdev of “A:0 B:0”. > > > > Sent from my iPhone > > On Feb 18, 2021, at 7:38 PM, Xiang Ma via USRP-users < > usrp-users@list

Re: [USRP-users] x310 two UBX daughterboard receiver

Just create a 2-channel USRP source and specify a subdev of “A:0 B:0”. Sent from my iPhone > On Feb 18, 2021, at 7:38 PM, Xiang Ma via USRP-users > wrote: > >  > Hi, > > I am using a x310 USRP with two UBX daughterboards. Now I can transmit > and receive the signal in RF A daughterbo

[USRP-users] x310 two UBX daughterboard receiver

Hi, I am using a x310 USRP with two UBX daughterboards. Now I can transmit and receive the signal in RF A daughterboard with command self.source.set_antenna("RX2", 0) self.sink.set_antenna("TX/RX", 0). Now, I want to transmit the signal in RF A, and receive the signal in both RF A

Re: [USRP-users] X310 and Fiber Optics Network and F.O cabling

Hi Yechiel, The X310 works fine with 10Gbe optical transceivers over a direct fiber link (direct fiber between USRP and host PC with 10Gbe NIC). I see no reason why it wouldn't work with a 1Gbe optical transceiver (GBIC) if you use the correct HG FPGA image for the X310. If you are using it over

[USRP-users] X310 and Fiber Optics Network and F.O cabling

Hi Do you have experience with using the X310 , connected to a Fiber Optic network module through a Fiber Optic cable ? Does the X310 able to accept/Work with Optic GBIC and it works OK ? If OK, what is the suitable GBIC to for working with X310 ? Pls recommend with model/types. Yechiel

Re: [USRP-users] X310/UBX as a monostatic transceiver (e.g. RFID reader)?

Indeed, a 900Mhz duplexor with a 400Khz split is an extreme challenge. If the TX and RX really do need to operate at the same time on more or less the same frequency, then you have some plumbing to do for sure. Sent from my iPhone > On Jan 5, 2021, at 12:07 AM, Marcus D Leech wrote: > > To

Re: [USRP-users] X310/UBX as a monostatic transceiver (e.g. RFID reader)?

To do a little expectation-setting, the narrowband MDS of a modern, not that spectacular, UHF RX chain of better than -140dBm is not that unusual. So when I talk about a sensitive RX chain, I’m talking about those sorts of levels. In that kind of context, -24dBm seems deafeningly loud, and -80dB

Re: [USRP-users] X310/UBX as a monostatic transceiver (e.g. RFID reader)?

)*cos(2*pi*900Mhz*t) with m(t) ~ cos(2*pi*400kHz*t) Desired signal: 900.4 MHz, undesired signal: 900 MHz. Thanks, Lukas > Gesendet: Montag, 04. Januar 2021 um 23:49 Uhr > Von: "Marcus D Leech" > An: "Lukas Haase" > Cc: USRP-users@lists.ettus.com > Betr

Re: [USRP-users] X310/UBX as a monostatic transceiver (e.g. RFID reader)?

If the TX and RX frequencies are a few 100kHz different then what you want is a duplexor arrangement where the TX frequency is strongly attenuated ahead of the RX. This is how repeaters work when multicoipled to a single antenna. The TX frequency is often attenuated 90dB in the RX path. Se

Re: [USRP-users] X310/UBX as a monostatic transceiver (e.g. RFID reader)?

Hi Marcus, > On 01/04/2021 12:25 PM, Lukas Haase wrote: > In an RFID system, the RX is *designed* to be up-close-and-snugly with > the other ends TX. There's NO reason to have an input >stage that is sensitive in the usual RF sense. So, completely > different engineering goals than in a typi

Re: [USRP-users] X310/UBX as a monostatic transceiver (e.g. RFID reader)?

On 01/04/2021 12:25 PM, Lukas Haase wrote: In an RFID system, the RX is *designed* to be up-close-and-snugly with the other ends TX. There's NO reason to have an input stage that is sensitive in the usual RF sense. So, completely different engineering goals than in a typical RF system. I

Re: [USRP-users] X310/UBX as a monostatic transceiver (e.g. RFID reader)?

> Date: Sun, 03 Jan 2021 21:12:18 -0500 > From: "Marcus D. Leech" > To: usrp-users@lists.ettus.com > Subject: Re: [USRP-users] X310/UBX as a monostatic transceiver (e.g. RFID > reader)? > Message-ID: <5ff27982.9050...@gmail.com> > Content-Type: text/plain

Re: [USRP-users] X310/UBX as a monostatic transceiver (e.g. RFID reader)?

On 01/03/2021 07:17 PM, Lukas Haase via USRP-users wrote: Hi, I would like to use an X310 with UBX in a monostatic antenna configuration (same frequency range). This is for example common in RFID readers. My transmit power is 30dBm (ZHL-25W-272+ after the USRP), fed into a 6dBi antenna. Now

[USRP-users] X310/UBX as a monostatic transceiver (e.g. RFID reader)?

Hi, I would like to use an X310 with UBX in a monostatic antenna configuration (same frequency range). This is for example common in RFID readers. My transmit power is 30dBm (ZHL-25W-272+ after the USRP), fed into a 6dBi antenna. Now if I use a circulator, I find isolation of around 15dB (e.g.

Re: [USRP-users] X310 UBX digital tune not occurring?

Marcus, Interesting, I hadn't considered that. I'm seeing this with both UHD 4.0 and UHD 3.15. Dustin On Mon, 2020-11-23 at 15:29 -0500, Marcus D Leech wrote: > Could you confirm which version of UHD you’re using? > > There has historically been a problem using both TwinRx and UBX on the same

Re: [USRP-users] X310 UBX digital tune not occurring?

Could you confirm which version of UHD you’re using? There has historically been a problem using both TwinRx and UBX on the same X310 due to clocking requirement conflicts. But that has been fixed in UHD4 Want to eliminate that as a possibility first. Sent from my iPhone > On Nov 23, 2020,

Re: [USRP-users] X310 UBX digital tune not occurring?

Marcus, I do have access to sig gens, but I would have to take everything into town to do that. (sanest thing to do during covid was to bring portable things home...) What I do have handy though is a spectrum analyzer (albeit, not a particularly good one, but when working with a narrow span it

Re: [USRP-users] X310 UBX digital tune not occurring?

On 11/21/2020 08:28 AM, Dustin Widmann wrote: Marcus, I tried it without timed commands last night. It was landing on the same frequencies as it did with timed commands i.e. didn't fix that problem. Dustin OK, thanks for doing the test. I wonder if you have a precise signal generator so you c

Re: [USRP-users] X310 UBX digital tune not occurring?

Marcus, I tried it without timed commands last night. It was landing on the same frequencies as it did with timed commands i.e. didn't fix that problem. Dustin On Wed, 2020-11-18 at 20:05 -0500, Marcus D. Leech wrote: > On 11/18/2020 07:34 PM, Dustin Widmann wrote: > > On Wed, 2020-11-18 at 18:

Re: [USRP-users] X310 UBX digital tune not occurring?

On 11/18/2020 07:34 PM, Dustin Widmann wrote: On Wed, 2020-11-18 at 18:27 -0500, Marcus D. Leech via USRP-users wrote: Marcus, Oh, sorry, I missed the first bit. I'm using the on-board clock. And perhaps I should explain the table with a little bit more detail: * 1st col: The *target* frequen

Re: [USRP-users] X310 UBX digital tune not occurring?

On Wed, 2020-11-18 at 18:27 -0500, Marcus D. Leech via USRP-users wrote: > On 11/18/2020 05:32 PM, Dustin Widmann via USRP-users wrote: > > Hi usrp-users, > > > > I've noticed something strange with an experiment I've been doing. > > The > > experiment is set up like a reflectometer. I'm using an

Re: [USRP-users] X310 UBX digital tune not occurring?

On Wed, 2020-11-18 at 18:27 -0500, Marcus D. Leech via USRP-users wrote: > On 11/18/2020 05:32 PM, Dustin Widmann via USRP-users wrote: > > Hi usrp-users, > > > > I've noticed something strange with an experiment I've been doing. > > The > > experiment is set up like a reflectometer. I'm using an

Re: [USRP-users] X310 UBX digital tune not occurring?

On 11/18/2020 05:32 PM, Dustin Widmann via USRP-users wrote: Hi usrp-users, I've noticed something strange with an experiment I've been doing. The experiment is set up like a reflectometer. I'm using an X310 with a UBX-160 for transmit and both channels of a TwinRX for receive. In short, I put u

[USRP-users] X310 UBX digital tune not occurring?

Hi usrp-users, I've noticed something strange with an experiment I've been doing. The experiment is set up like a reflectometer. I'm using an X310 with a UBX-160 for transmit and both channels of a TwinRX for receive. In short, I put up a tone with the transmitter by applying a DC offset, tune to

Re: [USRP-users] X310 with OAI FPGA Image Compatibility

On 11/11/2020 05:47 PM, Matt Lanoue via USRP-users wrote: Team Ettus, While running code to simulate an eNB, I get a failure because FPGA compatibility number 36 is expected, but 38 is found. https://files.ettus.com/manual/page_usrp_x3x0.html#x3x0_load_fpga_imgs __

[USRP-users] X310 with OAI FPGA Image Compatibility

Team Ettus, While running code to simulate an eNB, I get a failure because FPGA compatibility number 36 is expected, but 38 is found. [PHY]Starting ru_thread 0, is_slave 0, send_dmr[INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; UHD_3.15.0.0-release [INFO] [X300] X300 initialization

Re: [USRP-users] X310 FPGA build problem

Arash, You might consider following the build process in the documentation after making your changes rather than trying to manage your own project. When you run "make X310_HG" it builds the FPGA in what Xilinx calls "non-project mode". That's the normal process we use. In your case, you created yo

[USRP-users] X310 FPGA build problem

Dear All, I followed the build instruction for generation 3 on the website. All requirement and dependencies are fulfilled as well as Xilinx Vivado 2019.1. I would like to save the project in Vivado for future customization, therefore I ran "*make X310_HG GUI=1*". The makefile launch Vivado succes

Re: [USRP-users] x310 gpsdo get_time_now() - uhd 3.14.0 bug?

Upgraded gcc to 6.5 got this tation with doxygen warning: ignoring unsupported tag `PLANTUML_CFG_FILE =' at line 2522, file /home/gig/uhd/host/build/docs/Doxyfile /home/gig/uhd/host/build/docs/mainpage.dox:1: warning: found more than one \mainpage comment block! (first occurrence: /home/g

Re: [USRP-users] x310 gpsdo get_time_now() - uhd 3.14.0 bug?

Ryan, Tks a lot for your prompt reply this is the printout of running the usrp GNU C++ version 5.4.0 20160609; Maybe this requires some compilation flag? I am building usrp from source according to ettus guidelines using cmake and make Regards, Ilay Nissim RT Embedded Team Leader Netline Communic

Re: [USRP-users] x310 gpsdo get_time_now() - uhd 3.14.0 bug?

Ilay, I got this exact error. You probably have a GCC < 5.3.0 and need to upgrade. That fixed it for me. - Ryan From: USRP-users On Behalf Of Ilay Nissim via USRP-users Sent: Wednesday, September 16, 2020 3:51 AM To: usrp-users@lists.ettus.com Subject: EXTERNAL: [USRP-users] FW: x

Re: [USRP-users] X310: HG image, both link were functional until this morning

: vendredi 4 septembre 2020 11:55 À : USRP list Objet : [USRP-users] X310: HG image, both link were functional until this morning Hello, I work with an X310 and OpenAirInterface. I use HG image, and switch from times to times between 10Gb (when connected to a server) and 1Gb interface (when

[USRP-users] X310: HG image, both link were functional until this morning

Hello, I work with an X310 and OpenAirInterface. I use HG image, and switch from times to times between 10Gb (when connected to a server) and 1Gb interface (when connected to a laptop). It worked very fine during one year, and since this morning link leds don't light up, neither port 1 nor port

[USRP-users] X310 multi_usrp offsets of up to one sample

Hi all, I'm building a setup with three X310 equipped with TwinRX daughterboards running at full 100MSps. The USRPs are synchronized using the Octoclock-G. The problem is that I am observing offsets of up to one sample in both directions across the individual devices (in regards to channel 0

Re: [USRP-users] X310 RFNoC Basic Transmit Signal Source Flowgraph Not Working

MHz > | | | | Gain Elements: None > | | | | Bandwidth range: 0.0 to 0.0 step 0.0 Hz > | | | | Connection Type: IQ > | | | | Uses LO offset: No > | | | _____ > | | |/ > | | | |

Re: [USRP-users] X310 RFNoC Basic Transmit Signal Source Flowgraph Not Working

| | | * DUC_0 | | | * DUC_1 From: Nick Foster Sent: Thursday, July 23, 2020 2:40 PM To: Hodges, Jeff Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] X310 RFNoC Basic Transmit Signal Source Flowgraph Not Working RFNoC Radio runs at a constant

Re: [USRP-users] X310 RFNoC Basic Transmit Signal Source Flowgraph Not Working

, 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 on behalf of > Hodges, Jeff via USRP-users > *Sent:* Wednesday, Jul

Re: [USRP-users] X310 RFNoC Basic Transmit Signal Source Flowgraph Not Working

dges, Jeff via USRP-users 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 -&g

[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

Re: [USRP-users] X310 with DPDK

I have used DPDK with the X310. I don't recall specifically, but I'm pretty sure you either... a) don't specify mgmt_addr, or b) specify it the same as addr On Tue, Jul 21, 2020 at 12:12 PM Marcus D. Leech via USRP-users < usrp-users@lists.ettus.com> wrote: > On 07/21/2020 10:53 AM, Carmichael,

Re: [USRP-users] X310 with DPDK

On 07/21/2020 10:53 AM, Carmichael, Ryan via USRP-users wrote: On the DPDK page (https://files.ettus.com/manual/page_dpdk.html) the following statement is made: “Device discovery via DPDK is not currently implemented, so the device args |mgmt_addr|, |addr|, and |second_addr| (if applicable)

Re: [USRP-users] X310 with DPDK

On 07/21/2020 10:53 AM, Carmichael, Ryan via USRP-users wrote: On the DPDK page (https://files.ettus.com/manual/page_dpdk.html) the following statement is made: “Device discovery via DPDK is not currently implemented, so the device args |mgmt_addr|, |addr|, and |second_addr| (if applicable)

[USRP-users] X310 with DPDK

On the DPDK page (https://files.ettus.com/manual/page_dpdk.html) the following statement is made: "Device discovery via DPDK is not currently implemented, so the device args mgmt_addr, addr, and second_addr (if applicable) must all be specified at runtime. There is no mechanism for MPM's TCP/IP

Re: [USRP-users] X310: control frontend with custom RFNoC blocks

s.com Subject: Re: [USRP-users] X310: control frontend with custom RFNoC blocks I don't know that much about RFNOC structure, but the tuning latency is dominated by SPI transaction time, and the tome it takes the chips to tune to a new frequency. That is much larger than the host and Ethern

  1   2   3   4   >