Re: [USRP-users] 50 Ohm terminator on LFTX board

2017-09-05 Thread Humphries, James R. via USRP-users
Hey Ken, Are you thinking of something like a circulator? https://www.microwaves101.com/encyclopedias/circulators -Trip -Original Message- From: USRP-users [mailto:usrp-users-boun...@lists.ettus.com] On Behalf Of Ken M Erney via USRP-users Sent: Tuesday, September 5, 2017 4:47 PM To:

Re: [USRP-users] 50 Ohm terminator on LFTX board

2017-09-05 Thread Humphries, James R. via USRP-users
hries, James R. via USRP-users Sent: Tuesday, September 5, 2017 5:00 PM To: Ken M Erney Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] 50 Ohm terminator on LFTX board Hey Ken, Are you thinking of something like a circulator? https://www.microwaves101.com/encyclopedias/circulators

Re: [USRP-users] Inserting custom DSP code in B200mini, CODEC loopback test failing

2017-09-26 Thread Humphries, James R. via USRP-users
Hey Shoor, This test is in the USRP drivers, see “ad936x_manager.cpp” https://github.com/EttusResearch/uhd/blob/7ac01c7f979aab8fac5e62f596ff0af52cedec40/host/lib/usrp/common/ad936x_manager.cpp If you wanted, you could comment out the if statement that throws an error on line 131. Or you could

Re: [USRP-users] Problems with Ettus B210 and Intel Nuk

2017-10-31 Thread Humphries, James R. via USRP-users
Hey T, I encountered a problem similar to this in the past with a Minnowboard Max. If you press the reset switch (S700 I believe), is the NUC able to see the B210 (instead of unplugging USB)? I had to do this if I had a B200 plugged into the Minnowboard while it booted. The solution we came up

Re: [USRP-users] UHD C++ Chirp Signal

2018-04-25 Thread Humphries, James R. via USRP-users
Hello, One of the UHD examples is a good place to start. I generated chirp bursts a little while back using the tx_bursts example as a starting point. Most of what you need is already there, its just up to you to calculate the samples needed to generate the chirp and put them into the tx buffer

Re: [USRP-users] UHD C++ Chirp Signal

2018-04-30 Thread Humphries, James R. via USRP-users
Hello, Sorry for the delay. Looks like you are on the right track, you could add the chirp to the wave table (I just added the chirp calculation during setup in the tx_bursts code). You'll want to do your setup of the USRP and then ask it what the actual sample rate is. ( usrp->get_tx_rate() )

[USRP-users] GNU Radio Conference 2018 Call for Presentations and Papers :: Information for Authors! :: GRCON18

2018-05-09 Thread Humphries, James R. via USRP-users
Greetings USRP Community, GNU Radio Conference 2018 is rapidly approaching us from Henderson, NV from 17-21 September this year. As a friendly reminder, Early Bird Registration is ending on June 30. Registration info can be found here: https://gnuradio.org/grcon-2018/ We are now accepting su

[USRP-users] Abstract Submission Deadline Extended :: GRCON18 :: Information for Authors & Presenters!

2018-06-05 Thread Humphries, James R. via USRP-users
Greetings GNU Radio Community, The deadline for talk, tutorial, and poster abstracts for GRCon2018 has been extended to June 30. The schedule for these submissions is now: * June 30: Abstracts Due (Talks, tutorials, and posters) * July 15: Acceptance Notifications More information on th