[USRP-users] Re: Harmonic Distortion with B205mini

2023-04-17 Thread Marcus D. Leech
On 17/04/2023 23:34, Shenk, Trey E wrote: Got it. Thanks very much, Marcus! I didn’t realize that the LO was a square wave going in. It's a fairly common practice these days.  The VFO operates at a very high frequency, and then a   eye-wateringly-fast divider chain produces the final frequen

[USRP-users] Re: Harmonic Distortion with B205mini

2023-04-17 Thread Shenk, Trey E via USRP-users
Got it. Thanks very much, Marcus! I didn’t realize that the LO was a square wave going in. Thanks for the info and the tips about moving forward! From: Marcus D. Leech Sent: Monday, April 17, 2023 8:02 PM To: Shenk, Trey E Cc: USRP-users@lists.ettus.com Subject: Re: [USRP-users] Harmonic Disto

[USRP-users] Re: Harmonic Distortion with B205mini

2023-04-17 Thread Marcus D. Leech
On 17/04/2023 22:49, Shenk, Trey E wrote: Hi all, Thanks for the input on this issue. I’m still trying to pin it down. I’m using gnuradio to drive a B205mini. I’m seeing harmonics of the carrier particularly at odd harmonics. The third harmonic, 3*carrier, is only 10dB down from the carrier

[USRP-users] Re: Harmonic Distortion with B205mini

2023-04-17 Thread Shenk, Trey E via USRP-users
Hi all, Thanks for the input on this issue. I’m still trying to pin it down. I’m using gnuradio to drive a B205mini. I’m seeing harmonics of the carrier particularly at odd harmonics. The third harmonic, 3*carrier, is only 10dB down from the carrier itself, and I’m seeing significant carrier le

[USRP-users] Re: Test

2023-04-17 Thread White, Joshua J
I received your mail through the mailing list Very respectfully, Joshua White Precision Timing Systems Engineer Engineering & Support Solutions Directorate www.riversideresearch.org T: 937.986.3153 | F: 937.431.3811 This e-mail message, includin

[USRP-users] Re: Harmonic Distortion with B205mini

2023-04-17 Thread Marcus D. Leech
On 17/04/2023 20:22, David Bengtson wrote: You've seen the filters from Pole-Zero, right? Tunable, but very narrow BW. I keep reading abstracts in IEEE journals but I haven't seen anything interesting.  Sub-octave band counts add up fast :-( Dave I've seen various interesting bits of "physics

[USRP-users] Re: Harmonic Distortion with B205mini

2023-04-17 Thread David Bengtson
You've seen the filters from Pole-Zero, right? Tunable, but very narrow BW. I keep reading abstracts in IEEE journals but I haven't seen anything interesting. Sub-octave band counts add up fast :-( Dave On Sun, Apr 16, 2023 at 9:36 PM Marcus D. Leech wrote: > On 16/04/2023 21:13, David Bengtso

[USRP-users] Test

2023-04-17 Thread Milo H Fields III
Just checking if my signed emails are getting blocked. smime.p7s Description: S/MIME cryptographic signature ___ USRP-users mailing list -- usrp-users@lists.ettus.com To unsubscribe send an email to usrp-users-le...@lists.ettus.com

[USRP-users] Re: UHD in Qt c++ windows

2023-04-17 Thread Milo H Fields III
I am also having issues with the uhd libraries on Windows using Visual Studio. My observations so far: * First – be sure any linked app’s are using Multi-Byte character set as it VS defaults to unicode * The default binary libraries did not work for me at all when trying to link th

[USRP-users] rfnoc user group

2023-04-17 Thread Kevin Williams
Would anyone be interested in forming a USRP RFNoC interest group? My interest is in model-based firmware design, and am having success with Simulink and HDL Coder. I have a fractional resampler running on a x310, with all the design benefits. There is a lot to contribute. One huge step would be

[USRP-users] Re: UHD in Qt c++ windows

2023-04-17 Thread Marcus Müller
Oh, interesting, I would have expected it to crash *inside* one of these functions. Huh! On 4/17/23 13:54, Olo wrote: It crash in 37th row, which is : uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args); Sent with Proton Mail secure email. --- Original Message ---

[USRP-users] Re: E320 not powering on

2023-04-17 Thread Marcus D. Leech
On 17/04/2023 03:51, Maria Muñoz wrote: Hi all, I have a problem trying to power up the USRP E320. When I push the power button, the power led doesn't light up and the eth leds blink for a few seconds and then shut down. This is not the first time this has happened to an E320 device (for the

[USRP-users] Re: UHD in Qt c++ windows

2023-04-17 Thread Marcus Müller
Interesting! Can you run it in debugger, to see in which call/where exactly it crashes? On 4/17/23 11:10, Olo via USRP-users wrote: I copied init_usrp.cpp to ConsoleApplication in visual studio and in properties I set Configuration properties >> C/C++ >> Additional Include Directories: C:\Pro

[USRP-users] Re: UHD in Qt c++ windows

2023-04-17 Thread Olo via USRP-users
I copied init_usrp.cpp to ConsoleApplication in visual studio and in properties I set Configuration properties >> C/C++ >> Additional Include Directories: C:\Program Files\UHD\include D:\Boost\boost_1_82_0 Configuration properties >> Linker >> General: C:\UHD\lib D:\Boost\boost_1_82_0\lib64-msvc

[USRP-users] Re: UHD in Qt c++ windows

2023-04-17 Thread Marcus Müller
Hi Olo, nobody's going to be mad at you because of your English, which, by the way, is very good! English isn't my first language, either :) Welcome to the USRP developer community. So, let's tackle this one by one: If you take the code from init_usrp.cpp [1] and try to compile it in your pro

[USRP-users] E320 not powering on

2023-04-17 Thread Maria Muñoz
Hi all, I have a problem trying to power up the USRP E320. When I push the power button, the power led doesn't light up and the eth leds blink for a few seconds and then shut down. This is not the first time this has happened to an E320 device (for the other cases I recovered them by pushing the

[USRP-users] UHD in Qt c++ windows

2023-04-17 Thread Olo via USRP-users
Hello, Im trying to work with my B210 in Qt. The thing is I have added in .pro file (using qmake) UHD (4.3.0.0) lib and include header files to my project with boost (1.82.0) library and I cant do pretty mutch anything. I tried to list all devices and I cant event set uhd::device_addr_t hint; be