[USRP-users] USRP B210 GPS bias-tee Current Limit

What is the maximum current that the B210 provide to the GPS antenna?\ \ Is the biasing current provided by the GPSDO or via some onboard bias tee on the B210 PCB? Best regards, ___ USRP-users mailing list -- usrp-users@lists.ettus.com To unsubscribe se

[USRP-users] USRP B210 fpga build error

Hello, I am trying to build the default B210 fpga project using Xilinx ISE just to confirm I can do it before investing more time in a project. I downloaded UHD 4.6 from the github repo and in ~uhd/fpga/usrp3/top/b200 set up the Xilinx environment and built the fpga project source /opt/Xilinx/14.

[USRP-users] USRP B210 streamer throwing BAD PACKET and TIMEOUT error

Hi, I am using usrp B210 for my 5G test bench setup. The setup is consists of Openairinterface5G 5G stack and UHD driver 4.3.0. UHD driver is installed form source code approach and only one libuhd driver is in use. My setup is as follows, * Intel i7, 8 core, 8GB RAM, 3.6GHz CPU with ubuntu1

[USRP-users] USRP B210 not found and power cycle needed

Hi, We have a remote station with an USRP B210. We observed that sometimes the remote machine cannot find the USRP B210 (I think it has to do with uncontrolled power cycles, but I am not 100% sure about the root cause. The point is that sometimes it happens). The only way to sort it out is to di

[USRP-users] USRP B210 problem

Dear USRP users I have been working on USRP B210. However, every time I try to put the following comment "uhd_usrp_probe" I face this message "fx3 is in state 5". Even when I try to use gnuradio for transmitting files to another SDR device I faceD the same problem. I would really appreciate your

[USRP-users] USRP B210 GPIO Control

Hello, I am trying to get the GPIO header (J504) working on a USRP B210 for power amplifier control in GNURadio. It appears this is possible based on the documentation, but I am not having any success. According to this user, GPIO support for the USRP B210 was added in UHD 3.9: https://lists.g

[USRP-users] USRP B210 with ODR tools

Hello everyone,\ I have been using a USRP B210 for 6 months now transmitting a home DAB+ mux (with Open Digital Radio tools), and since this yesterday, I'm stuck with this error and unable to broadcast again :\ \ \[INFO\] \[UHD\] linux; GNU C++ version 8.2.0; Boost_106700; UHD_3.13.1.0-3\ \[INFO\

Re: [USRP-users] Usrp b210 without duplexer

The maximum power at any receive port should not exceed -15dBm. If you’re doing full duplex into a shared antenna then yes you need to use a duplexor. This isn’t strictly a USRP issue—it’s a generic RF engineering practice that is older than most of us here. Sent from my iPhone > On Feb 9,

[USRP-users] Usrp b210 without duplexer

Hi all , If I use my USRP b210 without duplexer to transmit and receive the signals from other USRP , will it not damage my USRP ? Thanks ___ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ett

Re: [USRP-users] USRP B210 UHD library installation issue

Hi Matt, Thank you for the mail . If you see my other mail thread "connect OAI UE with OAI enb using DOCKER EPC S1 interface" I have already tried these things, Nothing worked out sadly!! Even adding ppa is also not possible ..Some repo is broken I don't know , so I manually downloaded the packa

Re: [USRP-users] USRP B210 UHD library installation issue

Ashutosh, If you have already installed the UHD libraries for other OAI software applications, then you can run your build command without the -I flag. If your D2D build requires additional packages not currently installed on your system (which I doubt), then you may have to install them via your

Re: [USRP-users] USRP B210 UHD library installation issue

Hi all , I am facing below problem to do sudo apt-get update after adding ppa . This looking repo is broken . Can anyone comment on this . Its very Urgent !! [image: image.png] thanks Ashutosh On Sat, Jan 2, 2021 at 2:29 AM Marcus D. Leech wrote: > On 12/31/2020 04:49 PM, Ashutosh Singh wrote

Re: [USRP-users] USRP B210 UHD library installation issue

On 12/31/2020 04:49 PM, Ashutosh Singh wrote: Hi Marcus, I tried tha as well but i think adding PPA repo is the onlY way to go (many UHD dependencies get solved by adding PPA repo and because of that some issues won't occur LATER while running the binary. Issues occurring about uhd library sha

Re: [USRP-users] USRP B210 UHD library installation issue

Hi Marcus, I tried tha as well but i think adding PPA repo is the onlY way to go (many UHD dependencies get solved by adding PPA repo and because of that some issues won't occur LATER while running the binary. Issues occurring about uhd library shared_ptr and all): I am not able to compile my bin

Re: [USRP-users] USRP B210 UHD library installation issue

On 12/30/2020 03:54 PM, Ashutosh Singh wrote: Any update over it !! I'll point out that unless you need the latest UHD, Ubuntu 18.04 (Bionic) packages UHD already-- sudo apt-get install libuhd* Should do the trick without requiring the PPA. ___

Re: [USRP-users] USRP B210 UHD library installation issue

Ettus R&D are aware of the issue. But it being Christmas break there likely won’t be any action for a couple of days. Sent from my iPhone > On Dec 30, 2020, at 3:54 PM, Ashutosh Singh > wrote: > >  > Any update over it !! > >> On Tue, Dec 29, 2020 at 6:28 PM Marcus D. Leech via USRP-user

Re: [USRP-users] USRP B210 UHD library installation issue

Any update over it !! On Tue, Dec 29, 2020 at 6:28 PM Marcus D. Leech via USRP-users < usrp-users@lists.ettus.com> wrote: > On 12/29/2020 12:18 PM, Ashutosh Singh via USRP-users wrote: > > Hi , > I am trying to install the UHD libraries using binaries provided by Ettus > research following below

Re: [USRP-users] USRP B210 UHD library installation issue

On 12/29/2020 12:18 PM, Ashutosh Singh via USRP-users wrote: Hi , I am trying to install the UHD libraries using binaries provided by Ettus research following below page: USRP Hardware Driver and USRP Manual: Binary Installation (ettus.com)

[USRP-users] USRP B210 UHD library installation issue

Hi , I am trying to install the UHD libraries using binaries provided by Ettus research following below page: USRP Hardware Driver and USRP Manual: Binary Installation (ettus.com) My System : NAME="Ubuntu" VERSION="18.04.5 LTS (Bio

Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay

On 08/23/2020 12:26 PM, Prasad wrote: I understand it is within the time spec. But the delay goes incremented linearly, it means if we wait for 30mins we are getting expected signal after 0.5milliseconds from the desire time boundary So do we need to use rx streamer command to adjust it?. S

Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay

From: Marcus D. Leech [mailto:patchvonbr...@gmail.com] Sent: Sunday, August 23, 2020 9:41 PM To: Prasad; usrp-users@lists.ettus.com Subject: Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay On 08/23/2020 11:47 AM, Prasad wrote: From: Marcus D. Leech

Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay

On 08/23/2020 11:47 AM, Prasad wrote: *From:*Marcus D. Leech [mailto:patchvonbr...@gmail.com] *Sent:* Sunday, August 23, 2020 9:16 PM *To:* Prasad; usrp-users@lists.ettus.com *Subject:* Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay On 08/23/2020 08:28 AM

Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay

From: Marcus D. Leech [mailto:patchvonbr...@gmail.com] Sent: Sunday, August 23, 2020 9:16 PM To: Prasad; usrp-users@lists.ettus.com Subject: Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay On 08/23/2020 08:28 AM, Prasad wrote: Dear Marcus, Verified the

Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay

"time slip"? *From:*Marcus D. Leech [mailto:patchvonbr...@gmail.com] *Sent:* Sunday, August 23, 2020 6:56 AM *To:* kp...@trilcomm.com; usrp-users@lists.ettus.com *Subject:* Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay On 08/22/2020 09:08 PM, kp...@tr

Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay

...@trilcomm.com; usrp-users@lists.ettus.com Subject: Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay On 08/22/2020 09:08 PM, kp...@trilcomm.com wrote: Yes relative delay between samples in buffer. While detecting SYNC signal of 5G periodically, it detects gradually

Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay

On 08/22/2020 09:08 PM, kp...@trilcomm.com wrote: Yes relative delay between samples in buffer. While detecting SYNC signal of 5G periodically, it detects gradually increased delay from its expected position. It means expected to receive at 2280 position of buffer but its keep detecting away

Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay

On 08/22/2020 11:27 AM, Prasad via USRP-users wrote: Hi Marcus, This delay is gradually increased and sometimes it goes beyond 0.5 milliseconds. I think it is not like frequency error but the delay in receiving packet. So are we missing anything during the UHD API ? Thanks, Prasad. Delay *as me

Re: [USRP-users] USRP B210: getting RX samples with gradually increase delay

Hi Marcus, This delay is gradually increased and sometimes it goes beyond 0.5 milliseconds. I think it is not like frequency error but the delay in receiving packet. So are we missing anything during the UHD API ? Thanks, Prasad. -Original Message- From: Marcus Müller [mailto:marcus.muel.

Re: [USRP-users] [USRP B210] Getting zero samples from received stream for 2 RX channel

m:* Marcus D Leech *Sent:* Monday, 10 August, 2020, 10:34 pm *To:* Prasad *Cc:* usrp-users@lists.ettus.com; Rao Yenamandra *Subject:* Re: [USRP-users] [USRP B210] Getting zero samples from received stream for 2 RX channel What are you using to receive? Your own software? gnu Radio? UHD exa

Re: [USRP-users] [USRP B210] Getting zero samples from received stream for 2 RX channel

-users@lists.ettus.com; Rao Yenamandra Subject: Re: [USRP-users] [USRP B210] Getting zero samples from received stream for 2 RX channel What are you using to receive? Your own software? gnu Radio? UHD examples? Please share the output of usrp_probe with us. Sent from my iPhone

Re: [USRP-users] [USRP B210] Getting zero samples from received stream for 2 RX channel

What are you using to receive? Your own software? gnu Radio? UHD examples? Please share the output of usrp_probe with us. Sent from my iPhone > On Aug 10, 2020, at 12:53 PM, Prasad via USRP-users > wrote: > >  > Hi Everyone, > > Getting zero samples from received stream, when number of

[USRP-users] [USRP B210] Getting zero samples from received stream for 2 RX channel

Hi Everyone, Getting zero samples from received stream, when number of RX channel set to 2. Bellows are the USRP setting: Master-clock-rate: 30.72e6 Rate: Channel0: 30.72e6 Channel1: 30.72e6 Gain: Channel0: 45 Channel1: 45

Re: [USRP-users] [USRP B210] Very High Noise power at receiver

In full duplex applications, it's very likely that you're interfering with yourself. Some sort of filter may be required on the receiver to attenuate the transmitter signal. What kind of filter depends on the size of the duplex gap (the frequency span between transmit and receive). If the gap

Re: [USRP-users] [USRP B210] Very High Noise power at receiver

Soft reminder!. Thanks! -Original Message- From: Prasad [mailto:kp...@trilcomm.com] Sent: Wednesday, July 29, 2020 8:48 PM To: 'Prasad'; 'Marcus Müller'; 'usrp-users@lists.ettus.com' Subject: RE: [USRP-users] 1 Ts delay in USRP B210 Hi Muller/All, Just a quick question. During our 5

Re: [USRP-users] [USRP B210] Very High Noise power at receiver

On 07/30/2020 11:56 AM, Prasad via USRP-users wrote: Soft reminder!. Thanks! -Original Message- From: Prasad [mailto:kp...@trilcomm.com] Sent: Wednesday, July 29, 2020 8:48 PM To: 'Prasad'; 'Marcus Müller'; 'usrp-users@lists.ettus.com' Subject: RE: [USRP-users] 1 Ts delay in USRP B210

[USRP-users] [USRP B210] Very High Noise power at receiver

Soft reminder!. Thanks! -Original Message- From: Prasad [mailto:kp...@trilcomm.com] Sent: Wednesday, July 29, 2020 8:48 PM To: 'Prasad'; 'Marcus Müller'; 'usrp-users@lists.ettus.com' Subject: RE: [USRP-users] 1 Ts delay in USRP B210 Hi Muller, Just a quick question. During our 5G-NR i

Re: [USRP-users] USRP B210 hardware architecture

On 01/22/2020 01:53 AM, massoud pourmandi via USRP-users wrote: Dear colleagues, we have a USRP B210 in our lab, though, I have some questions regarding this device. First, I can’t find its hardware architecture? I would be glad if you send me its detailed information. I’m using *Gnuradio

[USRP-users] USRP B210 hardware architecture

Dear colleagues, we have a USRP B210 in our lab, though, I have some questions regarding this device. First, I can’t find its hardware architecture? I would be glad if you send me its detailed information. I’m using *Gnuradio* as my simulation environment. In this simulator, when I connect a sig

Re: [USRP-users] USRP B210 ERROR

What does ‘lsusb’ show with the device plugged in? Sent from my iPhone > On Oct 15, 2019, at 3:50 PM, Sam Reiter via USRP-users > wrote: > > Khizar, > > Is this still an issue for you? There's an important step in the UHD install > process to allow USB devices to be used by non-root users:

Re: [USRP-users] USRP B210 ERROR

Khizar, Is this still an issue for you? There's an important step in the UHD install process to allow USB devices to be used by non-root users: https://files.ettus.com/manual/page_transport.html#transport_usb_udev Let me know if this does the trick. Sam On Tue, Sep 24, 2019 at 1:10 AM Khizar A

[USRP-users] USRP B210 ERROR

I have tried this /usr/local/lib/uhd/utils/uhd_images_downloader.py download the image and install it. but the error is still same no device found. Even i have tried to download the drivers again. still same error. Please suggest some solution. Below is log in the response of the command . check t

Re: [USRP-users] USRP B210 Error

Hi Khizar - Have you tried doing what the error recommends ... executing "/usr/local/lib/uhd/utils/uhd_images_downloader.py"? It could be that you just need to download the images for your specific UHD install. Hope this helps! - MLD On Thu, Sep 19, 2019 at 4:03 AM Khizar Abbas via USRP-users < us

[USRP-users] USRP B210 Error

Dear all, i am using two USRP b210 device for my project. My goal is to deploy LTE connection . but one of my device is working properly and other one is showing error no device found. when i used the sudo uhd_usrp_probecommand. its shows error UHD Warning: EnvironmentError: IOError: Could not

[USRP-users] USRP B210 FPGA Amplify-forward

Hello, I am working with 2 B210 units trying to realize an out-of-band amplify-forward wideband relay. The signal flow is simple and was already implemented using the GNURadio blocks and associated UHD USRP drivers. The input signal is DCed to BB by one of the RF ends and additionally am

[USRP-users] USRP B210 GPS

Dear all, I'm trying to generate synchronized pulses with specific timing, based on the GPS synchronization. The idea is to send these pulses at approximately the "same time" from multiple USRPs. I have two B210 with an internal GPS module. I use this environment: GNU C++ version 5.4.0 2016

[USRP-users] USRP B210: Calls to rx_streamer->recv() occasionally stall

Important info up front: Hardware: USRP B210 Driver: Version: [INFO] [UHD] linux; GNU C++ version 4.8.5 20150623 (Red Hat 4.8.5-16); Boost_106700; UHD_3.11.1 I have an application that receives and transmits at the same time. The application receives a stream of data, does some simple processing,

Re: [USRP-users] USRP B210 FPGA Build

On 04/09/2018 02:24 AM, Yeo Jin Kuang Alvin (IA) via USRP-users wrote: > Hi everyone, > >   > > I tried to build the USRP B210 FPGA for Xilinx ISE 14.7 (Windows) and I > got this in my cmd prompt: > >   > > C:\Users\WORK\Desktop\fpga-maint\usrp3\top\b200>make B210 PROJECT_ONLY=1 > > "ISE Versi

Re: [USRP-users] USRP B210 API & FPGA

On 04/16/2018 01:54 AM, Yeo Jin Kuang Alvin (IA) via USRP-users wrote: > Hi all, > >   > > I have two questions regarding the USRP B210 configurations using API > and FPGA at the same time. For the archive: this was addressed in various other threads. -- M _

[USRP-users] USRP B210 API & FPGA

Hi all, I have two questions regarding the USRP B210 configurations using API and FPGA at the same time. 1) USRP FPGA Source Code: I have used the Xilinx DDS Compiler using the Coregen and generated out a chirp signal using 2 phase accumulator followed by a SIN_LUT. However, I don't know

[USRP-users] USRP B210 FPGA Generating signal

Hi all, I am currently using USRP B210 and I would like to generate a chirp signal using DDS in the FPGA, I have uploaded the source code by ettus into ISE 14.7. But I am not sure which input and output pin of the code to use, as I have to control the input for the desired chirp signal. Any he

[USRP-users] USRP B210 FPGA Build

Hi everyone, I tried to build the USRP B210 FPGA for Xilinx ISE 14.7 (Windows) and I got this in my cmd prompt: C:\Users\WORK\Desktop\fpga-maint\usrp3\top\b200>make B210 PROJECT_ONLY=1 "ISE Version: Release 14.7 - xtclsh P.20131013 (nt64)" make -f Makefile.b200.inc proj NAME=B210 DEVICE=XC6SLX15

Re: [USRP-users] USRP B210

Subject: Re: [USRP-users] USRP B210 Making a hardware DDS to generate a chirp in the FPGA is easy, extremely so if you reuse the Ettus code that interfaces the B210 to AD3961 with correct timing. What is very hard in what you propose, is controlling the AD9361 from within the FPGA without an external

Re: [USRP-users] USRP B210

> Sent: Friday, 6 April 2018 10:55 AM > To: 'Neel Pandeya' > Subject: RE: [USRP-users] USRP B210 > > Hi Neel, > > I am trying to output a chirp signal by creating a DDS in the FPGA using > Xilinx ISE 14.7. The code is done from scratch and created a SPI modul

Re: [USRP-users] USRP B210

From: Yeo Jin Kuang Alvin (IA) Sent: Friday, 6 April 2018 10:55 AM To: 'Neel Pandeya' Subject: RE: [USRP-users] USRP B210 Hi Neel, I am trying to output a chirp signal by creating a DDS in the FPGA using Xilinx ISE 14.7. The code is done from scratch and created a SPI module in t

Re: [USRP-users] USRP B210

Hello Yeo Jin Kuang Alvin: If you're modifying the FPGA, then there will likely be a corresponding modification needed on the host-side, especially for something as significant as starting a transmit stream and/or controlling the AD9361 in some way. We'll need much more detail in order to be able

[USRP-users] USRP B210

Hi everyone, I have tried to program the Spartan 6 FPGA using Xilinx 14.7 to send out a signal and to control the AD9361. However, I couldn't get an output out from the transmitter. Can I just solely on FPGA or must I use the API for the USRP B210? What are the steps and procedures I have to do

Re: [USRP-users] USRP b210 time tagging

Yes, the data is timestamped. By default it will be times relative to when the USRP was first turned on, but the set_time_next_pps function can be used to align the internal time with an external or GPSDO based reference. http://files.ettus.com/manual/page_sync.html#sync_time There are examples f

[USRP-users] USRP b210 time tagging

Hello - I am using the USRP b210 but this questions can be for all USRPs. Do they provide time tagging of the data transmitted and received or is that something that I would have to create myself. Thanks, Daniel Cho ___ USRP-users mailing list USRP-u

Re: [USRP-users] USRP B210 issues with sample rate and Tx bandwidth

Hello Lucas, I'll address your last question. The limitation is a hardware one as the FPGA is connected to the AD9361 using the CMOS interface and the bandwidth is split between the channels. This cannot be changed on the B210. Regards, Derek On Thu, Mar 15, 2018 at 11:57 AM, Lucas Val Terrón vi

Re: [USRP-users] USRP B210 issues with sample rate and Tx bandwidth

Over the uhd example tx_waveforms.cpp (without any modificaiton), the exact invocation I'm using is the following: ./tx_waveforms --rate 6144 --bw 5000 --freq 244000 --channels "0" --wave-type SINE --wave-freq 10 --gain 60 and its output: -- [INFO] [UHDlinux; GNU C++ version 5.4.

Re: [USRP-users] USRP B210 issues with sample rate and Tx bandwidth

On 03/14/2018 05:36 AM, Lucas Val Terrón via USRP-users wrote: Hi all, Working with the example "tx_waveforms.cpp" provided in the uhd, i found myself with two problems trying to set the sample rate and the tx bandwith of the USRP B210 (UHD_3.11.0). ./tx_waveforms --rate 6144 --freq 2350

[USRP-users] USRP B210 issues with sample rate and Tx bandwidth

Hi all, Working with the example "tx_waveforms.cpp" provided in the uhd, i found myself with two problems trying to set the sample rate and the tx bandwith of the USRP B210 (UHD_3.11.0). ./tx_waveforms --rate 6144 --freq 235000 --wave-type SINE --wave-freq 100 --gain 40 --bw 5000

Re: [USRP-users] USRP B210 TX-Issues

Hi Derek, That makes sense, yeah. Thanks! 2018-02-12 23:42 GMT+01:00 Derek Kozel : > Hello Jonathan, > > The gain setting in the USRPs are indexed from minimum gain. On most this > means a gain of 0 is actually an attenuation of the signal. The N210's gain > range is based on what amplifiers and

Re: [USRP-users] USRP B210 TX-Issues

Sounds about right. Sent from my iPhone > On Feb 12, 2018, at 5:20 PM, Jonathan B wrote: > > Hi Marcus, > > Thanks! Didn't realise there was a larger range for the B2xx family. At 60dB > it seems to perform as well as 20dB on the N210. Is that normal? > > But either way - something I can wo

Re: [USRP-users] USRP B210 TX-Issues

Hello Jonathan, The gain setting in the USRPs are indexed from minimum gain. On most this means a gain of 0 is actually an attenuation of the signal. The N210's gain range is based on what amplifiers and attenuators are on the daughterboard that is installed. The ranges aren't calibrated to be ali

Re: [USRP-users] USRP B210 TX-Issues

Hi Marcus, Thanks! Didn't realise there was a larger range for the B2xx family. At 60dB it seems to perform as well as 20dB on the N210. Is that normal? But either way - something I can work with. Thanks.

Re: [USRP-users] USRP B210 TX-Issues

On 02/09/2018 02:48 PM, Jonathan B via USRP-users wrote: Hi Jeff, Thanks for the response. In both cases a gain of 20dB. Best, Jonathan The total gain-control range on the B2xx family is larger (80dB) than on the cards used on X3xxx, N2xx, etc (typically 30.5dB) Try larger gain values on th

Re: [USRP-users] USRP B210 TX-Issues

Hi Jeff, Thanks for the response. In both cases a gain of 20dB. Best, Jonathan On Feb 9, 2018 8:23 PM, "Jeff Long via USRP-users" < usrp-users@lists.ettus.com> wrote: > What are you using for gain settings? > > On 02/09/2018 01:09 PM, Jonathan B via USRP-users wrote: > >> Hi everyone, >> >> I

Re: [USRP-users] USRP B210 TX-Issues

What are you using for gain settings? On 02/09/2018 01:09 PM, Jonathan B via USRP-users wrote: Hi everyone, I seem to be having issues with the B210 transmitting at an incredibly low power. I seem to be getting a 60db difference at the receiver (spectrum analyzer) between the B210 and N210

[USRP-users] USRP B210 TX-Issues

Hi everyone, I seem to be having issues with the B210 transmitting at an incredibly low power. I seem to be getting a 60db difference at the receiver (spectrum analyzer) between the B210 and N210 with perfectly identically configured transmissions using the simple uhd "tx_waveform" example progra

Re: [USRP-users] USRP B210 ext 10MHz ref clock

On 12/27/2017 06:21 AM, Guillermo Gancio via USRP-users wrote: Dear all, I have some questions with the use of an external clock source fot the B210 board... How the 10MHz signal must be in terms of amplitude and shape? Is there a function to use with rx_samples_c.c to verify is the B210 is

[USRP-users] USRP B210 ext 10MHz ref clock

Dear all, I have some questions with the use of an external clock source fot the B210 board... How the 10MHz signal must be in terms of amplitude and shape? Is there a function to use with rx_samples_c.c to verify is the B210 is using the unternal or external reference clock. Whats the proper w

Re: [USRP-users] usrp B210- UULLUULL.... responses

On 12/12/2017 03:32 PM, Akeem Mufutau via USRP-users wrote: Hi, I am implementing openairinterface with usrp b210 and I am getting UULLUULL responses. I have ASMedia® USB 3.1 controller on my ASUS x299 motherboard and it seems to be responsible for this response. I am not very sure of this

[USRP-users] usrp B210- UULLUULL.... responses

Hi, I am implementing openairinterface with usrp b210 and I am getting UULLUULL responses. I have ASMedia® USB 3.1 controller on my ASUS x299 motherboard and it seems to be responsible for this response. I am not very sure of this. Please does usrp B210 support by ASMedia® USB 3.1 controller

[USRP-users] USRP B210 time errors with high master clock rate

I've seen some odd behavior with timestamps for samples from the B210 being off by large fractions of a second from what I expected when setting the time to GPS time. I wrote a program (see attached) that uses get_time_last_pps() to attempt to validate that the time is being set correctly. I discov