[USRP-users] DDC/DUC sample rate change

2018-10-01 Thread Peter Horvath via USRP-users
Hello, we need to change the sample rate parameter of the DDC/DUC in the X310 in runtime (under GNU Radio). This works in 3.9. However, with 3.14, the flowgraph hangs upon trying to change the sample rate if using the multi-USRP API, and we get "Timeout on channel 0" errors from gr-ettus and flowg

Re: [USRP-users] timed burst problem on B200

2018-10-01 Thread Marcus D. Leech via USRP-users
On 10/01/2018 08:43 AM, Mitch Grabner via USRP-users wrote: Marcus, You were right, it is LO leakage. Is there anyway to reduce it or am I stuck with it? Thanks for the help. You can use offset tuning to move the LO leakage outside of your passband. https://files.ettus.com/manual/page_gener

Re: [USRP-users] timed burst problem on B200

2018-10-01 Thread Mitch Grabner via USRP-users
Marcus, You were right, it is LO leakage. Is there anyway to reduce it or am I stuck with it? Thanks for the help. On Sun, Sep 30, 2018 at 9:07 PM Mitchell J Grabner wrote: > Im trying to send 10,000 samples and it looks like I'm receiving the > 10,000 samples; I will double check tomorrow mor

Re: [USRP-users] timed burst problem on B200

2018-10-01 Thread Mitch Grabner via USRP-users
Here is my transmit code... in setup I do tx_usrp->set_time_now(uhd::time_spec_t(0.0)); // TRANSMIT //setup metadata for the first packet uhd::tx_metadata_t tx_md; tx_md.start_of_burst = true; tx_md.end_of_burst = false; tx_md.has_time_spec = true;

Re: [USRP-users] UHD occupying 100% CPU

2018-10-01 Thread Vladica Sark via USRP-users
Hi Marcus, I would try it, I just need to make the setup again, but I would try these days. I would inform you when I try this. BR, Vladica On 30.09.2018 23:14, Marcus Müller wrote: Hi Vladica, did you try the 3.13 release line, too? This might either solve your issue or at least help us n