Re: [USRP-users] Multiple B200, Python API.

2018-11-12 Thread J Subash via USRP-users
Hi, Hope you're doing well. Attached is a setup to record signals at 380MHz and 2.4Ghz with two B200's. The aim is to sync the devices using the 10Mhz and 1PPS provided from an external source to both devices. Looking on pointers on how to sync the two devices (meaning trigger the data reco

Re: [USRP-users] Multiple B200, Python API.

2018-11-12 Thread Marcus D. Leech via USRP-users
On 11/12/2018 09:40 AM, J Subash via USRP-users wrote: Hi, Hope you're doing well. Attached is a setup to record signals at 380MHz and 2.4Ghz with two B200's. The aim is to sync the devices using the 10Mhz and 1PPS provided from an external source to both devices. Looking on pointers on ho

[USRP-users] RFNoC block destructor: this->send_cmd_pkt(0, 0, true); -> EnvironmentError: IOError:

2018-11-12 Thread Ryan Marlow via USRP-users
Hey All, I've seen this error msg come up a number of times in my experience with RFNoC and I'm trying to get a better understanding of why it's occuring in my custom app now. In this app I am TX-ing data through a custom block to the Radio block. When my app finishes, I make some register writes

[USRP-users] GPIO functions throws bad allocation error

2018-11-12 Thread Chatterjee, Pratik via USRP-users
Hello, I am using the get/set_gpio_attr() function from uhd::rfnoc::radio_ctrl_impl and for the attributes CTRL and DDR I get a std::bad_alloc error. The other attributes work fine. Anyone come across this issue, because the given gpio example using multi_usrp api works properly for all the at

Re: [USRP-users] N310 time offset between TX RF Outputs

2018-11-12 Thread Michael West via USRP-users
Hi Serge, Thank you for making us aware of the issues. We are looking into them and consider them a priority. We will let you know what we find. Regards, Michael On Fri, Nov 9, 2018 at 11:04 AM Serge Malo via USRP-users < usrp-users@lists.ettus.com> wrote: > Hi all, > > I have made another te

[USRP-users] USRP B200 Blinking while spectrum sensing

2018-11-12 Thread Rensi Mathew via USRP-users
Dear all I am working on B200 USRP for sensing the ISM band spectrum. My parameters is 2.4 G - 2.5G, FFT size 1024 (6.4MHz), sampling rate 40e6, taking 832 bins of 1024 from 96th bin to 928th bin, totally 19 subbands, each of 5.2  of 6.4 MHz, and frequency between two bin values is 6250Hz. When