Re: [Discuss-gnuradio] WBX Dual Receiver

2016-02-26 Thread Marcus Müller
When tuning, the WBX/SBX/UBX LO synthesizers always reconstruct the same phase for a given frequency. With the WBX, that only works with the discussed +- ambiguity. So, this only happens when you re-tune. Estimate whether you're off by 180° after every tune. Calibrate the remaining inter-channel p

Re: [Discuss-gnuradio] WBX Dual Receiver

2016-02-24 Thread Justyn
You're right: this isn't a show stopper, and in the context of this not running in real time for my purposes anyway, I don't think it's a big deal. In the interest of completeness, when is this ambiguity introduced? On power up, or on some/any UHD call? Basically, when should I be aware and c

Re: [Discuss-gnuradio] WBX Dual Receiver

2016-02-24 Thread Marcus Müller
on the N210: SBX. UBX on the N210 does have that ambiguity (it doesn't on X3x0). re MIMO: well, ambiguities aren't nice, but as a matter of fact, any communication receiver needs to have a timing / phase recovery, be it a MIMO receiver or not; typically, you'd try both options (remember, 180° is j

Re: [Discuss-gnuradio] WBX Dual Receiver

2016-02-24 Thread Justyn Bell
As little comms knowledge as I have, I have even less about MIMO. However, I'm having a hard time understanding how the WBX boards would even be considered for any MIMO application when there could be a random 180 degree phase offset. Is there another daughtercard in which this little quirk is

Re: [Discuss-gnuradio] WBX Dual Receiver

2016-02-24 Thread Marcus D. Leech
On 02/24/2016 12:24 AM, Justyn wrote: Forgive me because I'm a software engineer with little theoretical comms experience, but I'm having a difficult time understanding what a 180 phase shift at RF would mean for my baseband signal. If anything. A phase shift at RF comes out as a phase-shift at

Re: [Discuss-gnuradio] WBX Dual Receiver

2016-02-23 Thread Justyn
Forgive me because I'm a software engineer with little theoretical comms experience, but I'm having a difficult time understanding what a 180 phase shift at RF would mean for my baseband signal. If anything. Now the issue is that with GRC, there's no way to use timed-commands directly, so you

Re: [Discuss-gnuradio] WBX Dual Receiver

2016-02-23 Thread Marcus D. Leech
On 02/23/2016 11:34 PM, Justyn wrote: Makes sense. If I can ask a follow up here: 1) If I instead use 2 USRPs connected via an external reference clock and an Ethernet switch for receiving data, will they be phase-aligned? If I understand what's going on in the context of the ref clock, I t

Re: [Discuss-gnuradio] WBX Dual Receiver

2016-02-23 Thread Marcus D. Leech
On 02/23/2016 11:22 PM, Justyn wrote: Hello, I'm experimenting with the MIMO capabilities of the N210s with WBX daughter cards and seeing how far I can get before I need the MIMO breakout cable or GPSDO. One of the first things I'd like to see is if both receivers on the WBX daughter card c

[Discuss-gnuradio] WBX Dual Receiver

2016-02-23 Thread Justyn
Hello, I'm experimenting with the MIMO capabilities of the N210s with WBX daughter cards and seeing how far I can get before I need the MIMO breakout cable or GPSDO. One of the first things I'd like to see is if both receivers on the WBX daughter card can run at the same time (TX/RX and RX2)

Re: [Discuss-gnuradio] WBX Lo leakage to LFRX

2013-12-16 Thread Nemanja Savic
I have a following doubt here: there are two cables, one that brings 10.7 MHz if signal from external rf frontend to the usrp, and utp cable that provides power and control signals for rf frontend. My first doubt was that WBX LO signal is directly induced in the lines on LFRX board, but as soon as

Re: [Discuss-gnuradio] WBX Lo leakage to LFRX

2013-12-10 Thread Marcus D. Leech
On 12/10/2013 11:24 AM, Nemanja Savic wrote: But I think that I have problem with RX LO of WBX, because I don't use TX in my application, I have two receivers. External RF frontend brings HF to IF and is connected using coax with usrp (LFRX). The other cable, UTP, connects io pins as well as po

Re: [Discuss-gnuradio] WBX Lo leakage to LFRX

2013-12-10 Thread Nemanja Savic
But I think that I have problem with RX LO of WBX, because I don't use TX in my application, I have two receivers. External RF frontend brings HF to IF and is connected using coax with usrp (LFRX). The other cable, UTP, connects io pins as well as power of LFRX to external frontend. Interesting thi

Re: [Discuss-gnuradio] WBX Lo leakage to LFRX

2013-12-10 Thread Marcus D. Leech
On 12/10/2013 10:41 AM, Nemanja Savic wrote: hi, thank you Ralph. It looks like I should have known about not packing two receivers in the same band in the sme box, but anyway, rf parts are not in the same box, and I intended to keep them at the distance of arround 5 to 10 meters. Antenna of 4

Re: [Discuss-gnuradio] WBX Lo leakage to LFRX

2013-12-10 Thread Nemanja Savic
hi, thank you Ralph. It looks like I should have known about not packing two receivers in the same band in the sme box, but anyway, rf parts are not in the same box, and I intended to keep them at the distance of arround 5 to 10 meters. Antenna of 434MHz in is more or less conected directly do the

Re: [Discuss-gnuradio] WBX Lo leakage to LFRX

2013-12-10 Thread Ralph A. Schmid, dk5ras
@gnu.org] On Behalf Of Nemanja Savic Sent: Tuesday, December 10, 2013 3:49 PM To: GNURadio Discussion List Subject: [Discuss-gnuradio] WBX Lo leakage to LFRX Hi all, As I described in one of my previousposts, I wanted to have several receiving paths for 434 MHz, and my USRP is equipped owith

[Discuss-gnuradio] WBX Lo leakage to LFRX

2013-12-10 Thread Nemanja Savic
Hi all, As I described in one of my previousposts, I wanted to have several receiving paths for 434 MHz, and my USRP is equipped owith WBX and LFTX. So WBX is one, and for the other, I designed small RF frontend using TI's CC1000 that donwnconverts the signal to 10.7 MHz which can be used with LFR

Re: [Discuss-gnuradio] WBX upper range limit

2012-08-25 Thread Matt Ettus
The daughterboard code does some limit checking, so you would want to disable that in uhd/host/lib/usrp/dboard/db_wbx_versionX.cpp (where X is the version of the board you have). Some boards will tune further than 2.2 GHz, but it will vary. 80 MHz might be a bit far for it, but you can try. Reme

[Discuss-gnuradio] WBX upper range limit

2012-08-25 Thread Ed Criscuolo
I have an application that requires transmitting at 2287.5 MHz. Can the GR3.6.1/UHD/USRP2/WBX combination tune to that freq? I know it's above the published range for the WBX (2200 Mhz) but these ranges are often rounded. Assuming the WBX will/can get there (Matt?), is there any limit checking

[Discuss-gnuradio] WBX Rev.3.0

2012-05-31 Thread guelord ingala
Hi, can anyone give me the link where to get the schematic of the WBX daughterboard rev 3.0 and the schematic of WBX-FE-Simple R5.0. Many thanks. Dominique. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo

Re: [Discuss-gnuradio] WBX Transmit Power Issue

2012-02-13 Thread Reginald Cornwallice
Yes, I am sure I am connected to the right connector. My carrier is in the 800 MHz band. Thank you, Reginald. On Fri, Feb 10, 2012 at 4:51 PM, Ed Criscuolo wrote: > I know this is a stupid question, but I've been bitten by this before: > > Are you SURE you're cabled to the Tx/Rx connector and no

Re: [Discuss-gnuradio] WBX Transmit Power Issue

2012-02-10 Thread Ed Criscuolo
I know this is a stupid question, but I've been bitten by this before: Are you SURE you're cabled to the Tx/Rx connector and not Rx2? @(^.^)@ Ed On 2/10/12 4:30 PM, Reginald Cornwallice wrote: Hello All, I'm having an issue with the transmit power on N210 + WBX not being able to reach the spe

[Discuss-gnuradio] WBX Transmit Power Issue

2012-02-10 Thread Reginald Cornwallice
Hello All, I'm having an issue with the transmit power on N210 + WBX not being able to reach the spec'd 100 mW on the data sheet. I'm transmitting a PN sequence at a rate of 1.2 Mchips/second. The values I'm sending to the DAC are +/- 24000 which is a little bit below the full range of the DAC, b

Re: [Discuss-gnuradio] WBX and frequencies around 433 MHz?

2011-12-07 Thread Patrik Eliardsson
Nick, I tuned the center frequency to 400 MHz, 430 MHz and 433 MHz and the LO is locked for all of them. The spectrum for 430 MHz looks like the spectrum for 433 MHz (white line) in my previous post. I've tried the same thing on another USRP2 with another WBX and I get similar spectrums. So it

Re: [Discuss-gnuradio] WBX and frequencies around 433 MHz?

2011-12-06 Thread Nick Foster
Patrik, Can you please check to see that the WBX LO is locked? If you have a GRC flowgraph, you can use a function probe block with the following settings: ID: lo_locked Block ID: uhd_usrp_source_0 (or whatever your UHD source block is named) Function name: get_dboard_sensor Function args: '"lo_

Re: [Discuss-gnuradio] WBX and frequencies around 433 MHz?

2011-12-06 Thread Marcus D. Leech
> Hi, While I was testing the DQPSK-(de)modulation blocks in GRC. >>> I found a frequency region where the reception failed. I >>> >> started with >> >>> the ISM-band (433 MHz) as the center frequency, and the reception >>> didn't work. After checking my

Re: [Discuss-gnuradio] WBX and frequencies around 433 MHz?

2011-12-05 Thread Patrik Eliardsson
> > Hi, > > > > While I was testing the DQPSK-(de)modulation blocks in GRC. > I found a frequency region where the reception failed. I > started with the ISM-band (433 MHz) as the center frequency, > and the reception didn't work. After checking my code several > times I decided to change the c

Re: [Discuss-gnuradio] WBX and frequencies around 433 MHz?

2011-12-05 Thread Marcus D. Leech
> > Hi, > > While I was testing the DQPSK-(de)modulation blocks in GRC. I found a > frequency region where the reception failed. I started with the ISM-band (433 > MHz) as the center frequency, and the reception didn't work. After checking > my code several times I decided to change the center f

Re: [Discuss-gnuradio] WBX and frequencies around 433 MHz?

2011-12-05 Thread Nick Foster
On Mon, Dec 5, 2011 at 10:50 AM, Patrik Eliardsson wrote: > Hi, > > While I was testing the DQPSK-(de)modulation blocks in GRC. I found a > frequency region where the reception failed. I started with the ISM-band (433 > MHz) as the center frequency, and the reception didn't work. After checking

[Discuss-gnuradio] WBX and frequencies around 433 MHz?

2011-12-05 Thread Patrik Eliardsson
Hi, While I was testing the DQPSK-(de)modulation blocks in GRC. I found a frequency region where the reception failed. I started with the ISM-band (433 MHz) as the center frequency, and the reception didn't work. After checking my code several times I decided to change the center frequency to 2

Re: [Discuss-gnuradio] WBX CW transmit problem

2011-07-01 Thread Ales Povalac
Well, it seems I have solved the problem for myself. Until now I did not know that USRP allows to set center freq in steps much smaller than PLL synthesis using DSP processing. This may work well for most signals but during CW (I=1, Q=0) the resulting signal is not perfect, maybe because of non-ide

Re: [Discuss-gnuradio] WBX CW transmit problem

2011-07-01 Thread Ales Povalac
Sorry, I checked the signal at MODOUT again and it is _not_ stable as I wrote before. So the AGC loop is probably OK and just reacts to wrong signal on its input. The signal is weird even at the DAC outputs. Enclosed is the screen of IOUTN_A and IOUTP_A obtained with ./tx_waveforms --rate 25 -

Re: [Discuss-gnuradio] WBX CW transmit problem

2011-07-01 Thread Ales Povalac
Hi Matt, thanks for the answer. The problem is not in analyzer setup. Using large RBW and zero span, it acts as an envelope demodulator and shows the signal in time domain. Since I used the USRP2 to generate CW signal only (I=1, Q=0, constant in time), there should be stable transmitted power over

Re: [Discuss-gnuradio] WBX CW transmit problem

2011-07-01 Thread Matt Ettus
On 06/30/2011 07:13 AM, Aleš Povalač wrote: > Dear all, > > I have been testing USRP2 with WBX board (#957). Using GNU Radio, I > have created a simple CW TX system. The problem: output signal is > oscillating when I set the TX frequencies to 900MHz band. Signal > output (in time domain) at TX/RX

Re: [Discuss-gnuradio] WBX CW transmit problem

2011-06-30 Thread dvader9
I have seen the same issue in the last couple of days. My setup: Ubuntu 10.04 laptop UHD + GNUradio 3.3 USRP2 with WBX TX parameters: 15dB gain, 1090MHz center frequency 4MS/s transmission RX parameters: 25dB gain, 1090MHz center frequency 4MS/s acquisition transmitted signal: U(t) = 10mV + 5m

[Discuss-gnuradio] WBX CW transmit problem

2011-06-30 Thread Aleš Povalač
Dear all, I have been testing USRP2 with WBX board (#957). Using GNU Radio, I have created a simple CW TX system. The problem: output signal is oscillating when I set the TX frequencies to 900MHz band. Signal output (in time domain) at TX/RX connector from the FSL analyzer is in the attachment. S

Re: [Discuss-gnuradio] WBX maximum output bandwidth

2011-03-06 Thread Jason Abele
On Sun, Mar 6, 2011 at 10:44 PM, Alaa Salaheldin wrote: > Peace on you all >    please I want to know what's the maximum output bandwidth that a > WBX daughter board could handle, in it's data sheet the IQ demodulator have > a demodulation bandwidth of 240 MHZ but after that demodulator th

[Discuss-gnuradio] WBX maximum output bandwidth

2011-03-06 Thread Alaa Salaheldin
Peace on you all please I want to know what's the maximum output bandwidth that a WBX daughter board could handle, in it's data sheet the IQ demodulator have a demodulation bandwidth of 240 MHZ but after that demodulator there's a LPF or another componeny that i can't specify. Thanks in

Re: [Discuss-gnuradio] WBX - only real signal after some time

2011-03-01 Thread Ruben Undheim
It's working wonderfully now after I moved it to side B. More investigation is needed to find the problem... But for the moment I'll just enjoy the working set-up! (btw: the loss of the complex signal is apparently not the only problem when it's in slot A. It is also unstable and hangs after a whi

Re: [Discuss-gnuradio] WBX - only real signal after some time

2011-01-20 Thread Ruben Undheim
Thanks I am using the traditional driver. Maybe I can try to use another computer or to put the board in the other slot, and see if the problem remains the same. Ruben 2011/1/20 Marcus D. Leech > On 01/20/2011 11:40 AM, Ruben Undheim wrote: > > Hello. > > > > I just wondered if anyone else has

Re: [Discuss-gnuradio] WBX - only real signal after some time

2011-01-20 Thread Marcus D. Leech
On 01/20/2011 11:40 AM, Ruben Undheim wrote: > Hello. > > I just wondered if anyone else has experienced that the WBX stops > sending the quadrature component of the complex signal after a while. > This happens especially if I have sliders for setting the frequencies > or the gain, and the sliders

[Discuss-gnuradio] WBX - only real signal after some time

2011-01-20 Thread Ruben Undheim
Hello. I just wondered if anyone else has experienced that the WBX stops sending the quadrature component of the complex signal after a while. This happens especially if I have sliders for setting the frequencies or the gain, and the sliders are slided. (so that a frequency change control signal i

Re: [Discuss-gnuradio] wbx - usrp_benchmark_usb.py failed at testing 4MB/sec

2011-01-11 Thread Kyle Zhou
On 11/01/2011 5:20 PM, Howard Wong wrote: I get the same problem with this one, using ubuntu 10.10, and a DBSRX, WBX the single DBSRX works but it fails with the WBX. Did you follow up the issue? Thanks So far, I have tried another two computers with ubuntu 9.10 fresh installation

Re: [Discuss-gnuradio] wbx - usrp_benchmark_usb.py failed at testing 4MB/sec

2011-01-10 Thread Howard Wong
I get the same problem with this one, using ubuntu 10.10, and a DBSRX, WBX the single DBSRX works but it fails with the WBX. So far, I have tried another two computers with ubuntu 9.10 fresh installation. but exactly the same problem. Is anyone having the same issue on WBX? K

Re: [Discuss-gnuradio] WBX image rejection

2010-12-21 Thread Brian Padalino
On Tue, Dec 21, 2010 at 11:48 PM, USRP9 wrote: > > Hi, > > I have few questions about WBX daughter card: > > 1. Is it possible to receive signal from both TX/RX or RX 2 ports > simultaneously? > > 2. How WBX mixer reject image? Is it complex mixer? If true, the mixer will > have two inputs and the

[Discuss-gnuradio] WBX image rejection

2010-12-21 Thread USRP9
Hi, I have few questions about WBX daughter card: 1. Is it possible to receive signal from both TX/RX or RX 2 ports simultaneously? 2. How WBX mixer reject image? Is it complex mixer? If true, the mixer will have two inputs and the inputs will be feed I assume an RF signal from either TX/RX or

Re: [Discuss-gnuradio] WBX board

2010-11-13 Thread Markus Heller M.A. (relix GmbH)
Hi Marcus, thanks very much for your hints! You set me on the right track. In fact I noticed the exactly same scenario as Evan Chen and the solution also worked for me: http://osdir.com/ml/discuss-gnuradio-gnu/2010-05/msg00092.html I applied the following on the SD card that came with my USRP2:

Re: [Discuss-gnuradio] WBX board

2010-11-11 Thread Markus Heller M.A. (relix GmbH)
Hi Marcus, I guess this is the reason because nothing seemed to work. Just as if there was no board at all. I'll try the new firmware and come back on this thread. Thanks a lot! Markus DL8RDS Am Donnerstag, den 11.11.2010, 20:51 -0500 schrieb Marcus D. Leech: > With USRP2? > > With classic

Re: [Discuss-gnuradio] WBX board

2010-11-11 Thread Marcus D. Leech
With USRP2? With classic USRP2 firmware you'll need the firmware image that supports the WBX. I'd you're using UHD it should just work -- Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org On Nov 11, 2010, at 8:47 PM, "Markus Heller M.A. (relix GmbH)" > wr

Re: [Discuss-gnuradio] WBX board

2010-11-11 Thread Nick Foster
On Fri, 2010-11-12 at 02:47 +0100, Markus Heller M.A. (relix GmbH) wrote: > Dear list, > > I got the LFRX / LFTX boards to work, but my WBX board will not work at > all. I can neither receive the slightest bit nor transmit. > > The simplest FFT experiment does not show anything. > > How do I s

[Discuss-gnuradio] WBX board

2010-11-11 Thread Markus Heller M.A. (relix GmbH)
Dear list, I got the LFRX / LFTX boards to work, but my WBX board will not work at all. I can neither receive the slightest bit nor transmit. The simplest FFT experiment does not show anything. How do I start to diagnose how it works? BR markus dl8rds ___

Re: [Discuss-gnuradio] WBX daughterboard decimation

2010-11-03 Thread Marcus D. Leech
On 11/04/2010 01:14 AM, Steve Mcmahon wrote: > Hello: > > I meant to ask this in my previous posting, but I forgot, so I'm making > another post. > > I am running GNU Radio 3.3.0 under openSUSE 11.2, and I have a USRP2 board > with a WBX daughterboard. I'm still somewhat new to GNU Radio, so plea

Re: [Discuss-gnuradio] WBX daughterboard frequencies

2010-11-03 Thread Marcus D. Leech
On 11/04/2010 01:09 AM, Steve Mcmahon wrote: > Hello: > > I am running GNU Radio 3.3.0 under openSUSE 11.2, and I have a USRP2 board > with a WBX daughterboard. I'm still somewhat new to GNU Radio, so please bear > with me. > > What is the minimum and maximum frequency at which I can transmit and

[Discuss-gnuradio] WBX daughterboard decimation

2010-11-03 Thread Steve Mcmahon
Hello: I meant to ask this in my previous posting, but I forgot, so I'm making another post. I am running GNU Radio 3.3.0 under openSUSE 11.2, and I have a USRP2 board with a WBX daughterboard. I'm still somewhat new to GNU Radio, so please bear with me. Isn't it necessary that the decimation

[Discuss-gnuradio] WBX daughterboard frequencies

2010-11-03 Thread Steve Mcmahon
Hello: I am running GNU Radio 3.3.0 under openSUSE 11.2, and I have a USRP2 board with a WBX daughterboard. I'm still somewhat new to GNU Radio, so please bear with me. What is the minimum and maximum frequency at which I can transmit and receive? I thought it was between 50 MHz and 2.2 GHz, b

Re: [Discuss-gnuradio] WBX Low Frequency Limit

2010-10-30 Thread Josh Blum
On 10/30/2010 04:47 PM, Eric Cottrell wrote: Hello, I just got my WBX board and it works great in my USRP2. If it has 30 MHz BW then I can try foolish stuff like decoding all VHF ACARS frequencies with parallel decoders. When I do a USRP2 Probe the minimum Frequency is higher than advertis

[Discuss-gnuradio] WBX Low Frequency Limit

2010-10-30 Thread Eric Cottrell
Hello, I just got my WBX board and it works great in my USRP2. If it has 30 MHz BW then I can try foolish stuff like decoding all VHF ACARS frequencies with parallel decoders. When I do a USRP2 Probe the minimum Frequency is higher than advertised. Freq Range (min, max): 6875.0 Hz

Re: [Discuss-gnuradio] WBX and USRP1 on GnuRadio 3.3

2010-10-17 Thread Mark J. Blair
On Oct 17, 2010, at 11:27 PM, Ed Criscuolo wrote: > Is it possible to use a WBX daughtercard on a USRP1 with the > 3.3 stable release of GnuRadio Yes. I am presently using my WBX in my USRP with the 3.3 release of GNU Radio via macports on my Mac. -- Mark J. Blair, NF6X Web page: http://www.n

[Discuss-gnuradio] WBX and USRP1 on GnuRadio 3.3

2010-10-17 Thread Ed Criscuolo
Is it possible to use a WBX daughtercard on a USRP1 with the 3.3 stable release of GnuRadio, or is it necessary to go to the latest development code (or the UHD code)? @(^.^)@ Ed ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.

Re: [Discuss-gnuradio] WBX transmitting on the TV ba nd?‏‏

2010-10-02 Thread Tom Rondeau
2010/9/28 Hok Lee : > As you may know, the FCC has finalized the ruling of the TV white space on > Sep. 23 > Quoted from: > http://hardware.slashdot.org/story/10/09/24/2124223/FCC-White-Space-Rules-Favor-Tech-Industry > > "They dropped the requirement that devices sense TV and wireless microphone >

[Discuss-gnuradio] WBX transmitting on the TV b and?‏‏

2010-09-28 Thread Hok Lee
As you may know, the FCC has finalized the ruling of the TV white space on Sep. 23 Quoted from: http://hardware.slashdot.org/story/10/09/24/2124223/FCC-White-Space-Rules-Favor-Tech-Industry "They dropped the requirement that devices sense TV and wireless microphone signals. Instead, they can

[Discuss-gnuradio] WBX: Failed to set center frequency

2010-08-25 Thread devin kelly
Hello, I'm doing some spectrum sensing with the WBX and the USRP2, I'm using the usrp_spectrum_sense script. I do my scans over the whole range of the WBX, from 50 MHz to 2.2GHz. When I do a scan, sometimes I'll get an error message "Failed to set center frequency: FFF" At first, I thought I ha

Re: [Discuss-gnuradio] (WBX+USRP) Unknown signal at the middle of any FFT plot in receive mode

2010-08-23 Thread Marcus D. Leech
On 08/23/2010 01:11 PM, jan acosta wrote: > Hello, > > I am currently testing two USRP radios with 3 WBX transcievers. > > When I test the receive path, I would use gnuradio companion and go > from USRP source to FFT plot. > > However, I see that at every center frequency of the FFT window there >

[Discuss-gnuradio] (WBX+USRP) Unknown signal at the middle of any FFT plot in receive mode

2010-08-23 Thread jan acosta
Hello, I am currently testing two USRP radios with 3 WBX transcievers. When I test the receive path, I would use gnuradio companion and go from USRP source to FFT plot. However, I see that at every center frequency of the FFT window there is a signal even though I am not inputting anything. The

[Discuss-gnuradio] WBX Daughter board problem

2010-08-12 Thread Wipat phonsukkarn
Hi every body,Now i've got a problem that my usrp now has only BasicRX and WBX but i want to make a experiment that i want to generate the signal from the signal generator for 1.5M and 4M through each Daughter board and i decide to generate the 1.5M to basicRx and i knew that minimum Rage of W

[Discuss-gnuradio] WBX and auto TR switching?

2010-07-30 Thread George Nychis
I'm assuming the WBX has auto TR switching? Is there any code needed to enable auto TR switching from C++ after initializing the USRP2 with the standard usrp2::usrp2::make(interface, mac_addr_str); and then setting center frequency, decimation, interpolation, and gains? Thanks for the help. - Ge

Re: [Discuss-gnuradio] WBX power level

2010-06-17 Thread Charles Brain
Well I am glad to say my low power problem is fixed. In the end I had to go into my uhd directory do a git pull followed by a make and then a make install. I now have 60 mW on 1.3 GHz. Thanks for the help guys, especially to Jason Abele. - Charles http://www.g4guo.blogspot.com/ __

Re: [Discuss-gnuradio] WBX power level

2010-06-15 Thread Jason Abele
On Tue, Jun 15, 2010 at 06:48:39PM +0100, Charles Brain wrote: > > > >Does your code set the transmit gain on the WBX? > > > >Eric > > Yes to 25. I checked the range and set it to maximum. > > - Charles Charles, In my test with USRP2 and UHD here in the lab, I am able to get similar power outpu

Re: [Discuss-gnuradio] WBX power level

2010-06-15 Thread Charles Brain
Does your code set the transmit gain on the WBX? Eric Yes to 25. I checked the range and set it to maximum. - Charles ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] WBX power level

2010-06-15 Thread Eric Blossom
> Please try the following command with non-UHD for comparison: > > usrp_siggen_gui.py -x 250k -i 64 --tx-gain=25 -A 1.0 -f 1.3G > > You should see about 50mW (17dBm) at 1.30025GHz > > If you change the final argument to 100M you should see around > 80-100mW (19-

Re: [Discuss-gnuradio] WBX power level

2010-06-15 Thread Charles Brain
- Original Message - From: "Jason Abele" To: "Charles Brain" Cc: Sent: Monday, June 14, 2010 7:03 PM Subject: Re: [Discuss-gnuradio] WBX power level Hi All, Has anyone measure the power level coming out of their WBX board? Measured on a Gigatronics 8541 m

Re: [Discuss-gnuradio] WBX power level

2010-06-14 Thread Jason Abele
On Mon, Jun 14, 2010 at 11:03 AM, Jason Abele wrote: Hi All, Has anyone measure the power level coming out of their WBX board? Measured on a Gigatronics 8541 microwave power meter connected directly at the back of the USRP2 I am getting (with a CW carrier) >

Re: [Discuss-gnuradio] WBX power level

2010-06-14 Thread Jason Abele
>>> Hi All, >>> >>> Has anyone measure the power level coming out of their WBX board? >>> >>> Measured on a Gigatronics 8541 microwave >>> power meter connected directly at the back of the USRP2 I am getting >>> (with a CW carrier) >>> >>> 100 MHz about 35 mW >>> 1.3 GHz about 15 mW >>> >>> Ettus q

Re: [Discuss-gnuradio] WBX power level

2010-06-12 Thread Timothy R. Newman
On 6/12/2010 11:54 AM, Philip Balister wrote: On 06/12/2010 11:15 AM, Charles Brain wrote: Hi All, Has anyone measure the power level coming out of their WBX board? Measured on a Gigatronics 8541 microwave power meter connected directly at the back of the USRP2 I am getting (with a CW ca

Re: [Discuss-gnuradio] WBX power level

2010-06-12 Thread Charles Brain
- Original Message - From: "Philip Balister" To: "Charles Brain" Cc: Sent: Saturday, June 12, 2010 4:54 PM Subject: Re: [Discuss-gnuradio] WBX power level Is your flowgraph delivering the maximum amplitude to the USRP? Philip I am not using gnuradio I am

Re: [Discuss-gnuradio] WBX power level

2010-06-12 Thread Philip Balister
On 06/12/2010 11:15 AM, Charles Brain wrote: Hi All, Has anyone measure the power level coming out of their WBX board? Measured on a Gigatronics 8541 microwave power meter connected directly at the back of the USRP2 I am getting (with a CW carrier) 100 MHz about 35 mW 1.3 GHz about 15 mW Ettu

[Discuss-gnuradio] WBX power level

2010-06-12 Thread Charles Brain
Hi All, Has anyone measure the power level coming out of their WBX board? Measured on a Gigatronics 8541 microwave power meter connected directly at the back of the USRP2 I am getting (with a CW carrier) 100 MHz about 35 mW 1.3 GHz about 15 mW Ettus quote 50 - 100 mW < 1.2 GHz 30 - 70m

Re: [Discuss-gnuradio] wbx - usrp_benchmark_usb.py failed at testing 4MB/sec

2010-06-07 Thread Jason Abele
On Tue, Apr 27, 2010 at 6:34 PM, Kyle Zhou wrote: > > Matt Ettus wrote: >> >> On 04/27/2010 05:29 PM, Kyle Zhou wrote: >>> >>> So far, I have tried another two computers with ubuntu 9.10 fresh >>> installation but exactly the same problem. >>> Is anyone having the same issue on WBX? >>> Kyle >> >>

Re: [Discuss-gnuradio] WBX decimation/interpolation

2010-06-05 Thread Matt Ettus
On 06/05/2010 08:00 AM, Sharif Shaher wrote: Hello, While using the WBX board and a usrp2 (gnuradio-3.3.0-rc0) and the txrx_wbx.bin fw image, I am unable to set the decimation/interpolation rate to 4 when doing 16bitI/Q. Has anyone else encountered a similar problem or am I doing something wrong

[Discuss-gnuradio] WBX decimation/interpolation

2010-06-05 Thread Sharif Shaher
Hello, While using the WBX board and a usrp2 (gnuradio-3.3.0-rc0) and the txrx_wbx.bin fw image, I am unable to set the decimation/interpolation rate to 4 when doing 16bitI/Q. Has anyone else encountered a similar problem or am I doing something wrong? Should it work. Thanks, Sharif __

Re: [Discuss-gnuradio] WBX <70MHz

2010-06-02 Thread Johnathan Corgan
On Wed, Jun 2, 2010 at 14:05, Matt Ettus wrote: > The gnuradio.org page is no longer being updated and should just have a > pointer to the new site. This is done. Johnathan ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.o

Re: [Discuss-gnuradio] WBX <70MHz

2010-06-02 Thread John Orlando
On Wed, Jun 2, 2010 at 4:29 PM, Matt Ettus wrote: > On 06/02/2010 02:06 PM, John Orlando wrote: >> >> On Wed, Jun 2, 2010 at 3:54 PM, Sharif Shaher >>  wrote: >>> >>> Hello, >>> >>> I am trying to tune the WBX to 60MHz, but everytime I do >>> I get an error.  If I do it through usrp2_fft.py it say

Re: [Discuss-gnuradio] WBX <70MHz

2010-06-02 Thread Matt Ettus
On 06/02/2010 02:06 PM, John Orlando wrote: On Wed, Jun 2, 2010 at 3:54 PM, Sharif Shaher wrote: Hello, I am trying to tune the WBX to 60MHz, but everytime I do I get an error. If I do it through usrp2_fft.py it says "Failed", if I do it through my c++ code, I get the error set_rx_center_freq

Re: [Discuss-gnuradio] WBX <70MHz

2010-06-02 Thread John Orlando
On Wed, Jun 2, 2010 at 3:54 PM, Sharif Shaher wrote: > Hello, > > I am trying to tune the WBX to 60MHz, but everytime I do > I get an error.  If I do it through usrp2_fft.py it says "Failed", > if I do it through my c++ code, I get the error > set_rx_center_freq(6e+07) failed. According to the dr

Re: [Discuss-gnuradio] WBX <70MHz

2010-06-02 Thread Matt Ettus
On 06/02/2010 01:54 PM, Sharif Shaher wrote: Hello, I am trying to tune the WBX to 60MHz, but everytime I do I get an error. If I do it through usrp2_fft.py it says "Failed", if I do it through my c++ code, I get the error set_rx_center_freq(6e+07) failed. I used the u2_flash_tool to "burn" txr

[Discuss-gnuradio] WBX <70MHz

2010-06-02 Thread Sharif Shaher
Hello, I am trying to tune the WBX to 60MHz, but everytime I do I get an error. If I do it through usrp2_fft.py it says "Failed", if I do it through my c++ code, I get the error set_rx_center_freq(6e+07) failed. I used the u2_flash_tool to "burn" txrx_wbx.bin to the SD as follows: sudo ./u2_fla

Re: [Discuss-gnuradio] WBX usage

2010-05-06 Thread Jason Abele
On Thu, May 06, 2010 at 08:23:49PM +0200, Gaetano Mendola wrote: > On Thu, May 6, 2010 at 8:15 PM, Josh Blum wrote: > > On 05/06/2010 07:17 AM, Gaetano Mendola wrote: > >> > >> Hi all, > >> in order to use the new WBX daughterboards, do I have to get the new > >> libusrp2 from git ? > >> > > > > T

Re: [Discuss-gnuradio] WBX usage

2010-05-06 Thread Josh Blum
I'm planning to buy a WBX this week - how about the support for USRP1 (I have one w/ serial number> 500), is it in the gnuradio current git? How about the next gnuradio release w/ the wbx support? WBX support for the USRP1 can be found in the current gnuradio git master. Other thing - will

Re: [Discuss-gnuradio] WBX usage

2010-05-06 Thread Rafael Diniz
Hi people, > On 05/06/2010 07:17 AM, Gaetano Mendola wrote: >> Hi all, >> in order to use the new WBX daughterboards, do I have to get the new >> libusrp2 from git ? >> > > To actually answer your question, if you dont want to experiment with > the uhd drivers. You will need to checkout the git ma

Re: [Discuss-gnuradio] WBX usage

2010-05-06 Thread Gaetano Mendola
On Thu, May 6, 2010 at 8:15 PM, Josh Blum wrote: > On 05/06/2010 07:17 AM, Gaetano Mendola wrote: >> >> Hi all, >> in order to use the new WBX daughterboards, do I have to get the new >> libusrp2 from git ? >> > > To actually answer your question, if you dont want to experiment with the > uhd driv

Re: [Discuss-gnuradio] WBX usage

2010-05-06 Thread Josh Blum
I was going to make a more formal announcement, but here it goes: I pushed WBX support to the UHD master just now. Instructions here: http://ettus-apps.sourcerepo.com/redmine/ettus/projects/uhd/wiki For those of you using the gnuradio gr-uhd component, i recommend rebuilding gr-uhd after buildi

[Discuss-gnuradio] WBX usage

2010-05-06 Thread Gaetano Mendola
Hi all, in order to use the new WBX daughterboards, do I have to get the new libusrp2 from git ? Regards Gaetano Mendola -- cpp-today.blogspot.com ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discus

Re: [Discuss-gnuradio] wbx - usrp_benchmark_usb.py failed at testing 4MB/sec

2010-04-27 Thread Kyle Zhou
Matt Ettus wrote: On 04/27/2010 05:29 PM, Kyle Zhou wrote: So far, I have tried another two computers with ubuntu 9.10 fresh installation. but exactly the same problem. Is anyone having the same issue on WBX? Kyle We are looking into this. But why do you need to run that program? If you re

Re: [Discuss-gnuradio] wbx - usrp_benchmark_usb.py failed at testing 4MB/sec

2010-04-27 Thread Matt Ettus
On 04/27/2010 05:29 PM, Kyle Zhou wrote: So far, I have tried another two computers with ubuntu 9.10 fresh installation. but exactly the same problem. Is anyone having the same issue on WBX? Kyle We are looking into this. But why do you need to run that program? If you really need to, it wil

Re: [Discuss-gnuradio] wbx - usrp_benchmark_usb.py failed at testing 4MB/sec

2010-04-27 Thread Kyle Zhou
So far, I have tried another two computers with ubuntu 9.10 fresh installation. but exactly the same problem. Is anyone having the same issue on WBX? Kyle Kyle Zhou wrote: In order to use WBX, I install git repo on my ubuntu 9.04. When I do usrp_benchmark_usb.py, it goes well with 2MB test, but

Re: [Discuss-gnuradio] wbx usrp1 sampling spectrum distortion

2010-04-21 Thread Kyle Zhou
On 04/20/2010 08:28 PM, Kyle Zhou wrote: > > > Matt Ettus wrote: >> On 04/20/2010 02:51 AM, Kyle Zhou wrote: >>> Hi >>> I use WBX + USRP1 to capture a DAB+ digital radio broadcast signal at >>> frequency 204.64MHz and bandwidth 1.4MHz. >>> Sampling rate is 2Msps (decimation=32) >>> The

[Discuss-gnuradio] wbx - usrp_benchmark_usb.py failed at testing 4MB/sec

2010-04-20 Thread Kyle Zhou
In order to use WBX, I install git repo on my ubuntu 9.04. When I do usrp_benchmark_usb.py, it goes well with 2MB test, but failed at 4MB showing device busy error. The output is attached below. I tried other daughter boards (RF2400), no problem. So I guess it is related to the WBX. Testing 2MB/se

Re: [Discuss-gnuradio] wbx usrp1 sampling spectrum distortion

2010-04-20 Thread Marcus D. Leech
On 04/20/2010 08:28 PM, Kyle Zhou wrote: > > > Matt Ettus wrote: >> On 04/20/2010 02:51 AM, Kyle Zhou wrote: >>> Hi >>> I use WBX + USRP1 to capture a DAB+ digital radio broadcast signal at >>> frequency 204.64MHz and bandwidth 1.4MHz. >>> Sampling rate is 2Msps (decimation=32) >>> The spectrum sho

Re: [Discuss-gnuradio] wbx usrp1 sampling spectrum distortion

2010-04-20 Thread Kyle Zhou
Matt Ettus wrote: On 04/20/2010 02:51 AM, Kyle Zhou wrote: Hi I use WBX + USRP1 to capture a DAB+ digital radio broadcast signal at frequency 204.64MHz and bandwidth 1.4MHz. Sampling rate is 2Msps (decimation=32) The spectrum shown by usrp_fft.py is normal and clean. However, after capturing t

Re: [Discuss-gnuradio] wbx usrp1 sampling spectrum distortion

2010-04-20 Thread Matt Ettus
On 04/20/2010 02:51 AM, Kyle Zhou wrote: Hi I use WBX + USRP1 to capture a DAB+ digital radio broadcast signal at frequency 204.64MHz and bandwidth 1.4MHz. Sampling rate is 2Msps (decimation=32) The spectrum shown by usrp_fft.py is normal and clean. However, after capturing the data using usrp_rx

[Discuss-gnuradio] wbx usrp1 sampling spectrum distortion

2010-04-20 Thread Kyle Zhou
Hi I use WBX + USRP1 to capture a DAB+ digital radio broadcast signal at frequency 204.64MHz and bandwidth 1.4MHz. Sampling rate is 2Msps (decimation=32) The spectrum shown by usrp_fft.py is normal and clean. However, after capturing the data using usrp_rx_cfile.py and loading the data to Matla

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