Re: [USRP-users] B210: 1/f noise and LO offset

2019-06-06 Thread Erik Heinz via USRP-users
OK, so this means the 1/f noise is not from the LO. Otherwise it would finally appear around the LO offset frequency. The noise arises in the baseband AFTER the mixing and therefore is not affected by the DSP magic. I think, I understand now. Erik Von: Nick

[USRP-users] UHD Comms Error

2019-06-06 Thread Mark Koenig via USRP-users
Please help, with the error I am seeing. I am currently using an X310 with a UBX160 daughtercard and I get the error below when changing the frequency parameters of the radio. RuntimeError: EnvironmentError: IOError: Radio ctrl (A) packet parse error - AssertionError: packet_info.packet_count =

Re: [USRP-users] UHD Comms Error

2019-06-06 Thread Neel Pandeya via USRP-users
Hello Mark: This may indicate a hardware problem. What is specifically eliciting the error? Does it occur with every time that there is a tune request? Are you running your own program, or one the example programs, such as "rx_samples_to_file"? Could you please try upgrading to UHD 3.14.0.0, a

Re: [USRP-users] UHD Comms Error

2019-06-06 Thread Marcus D. Leech via USRP-users
On 06/06/2019 01:46 PM, Mark Koenig via USRP-users wrote: Please help, with the error I am seeing. I am currently using an X310 with a UBX160 daughtercard and I get the error below when changing the frequency parameters of the radio. RuntimeError: EnvironmentError: IOError: Radio ctrl (A) pa

[USRP-users] problem with custom E320 FPGA image

2019-06-06 Thread Jason Matusiak via USRP-users
I've seen chatter on this around here before (an I think I might have been involved with it during my failed N310 project a while back), but I haven't come up with a solution yet. I have a custom RFNoC bitfile I want to use on the E320. I set things up and built it with the mods in rfnoc_ce_a

Re: [USRP-users] UHD Comms Error

2019-06-06 Thread Mark Koenig via USRP-users
Hi Neel, Yes, I am using my own program and yes it occurs during a tune request, but not every time. For example, I could be doing a collection and scanning frequencies every 10 seconds, but not see the error once in a 2-hour collection. Once the error is seen, then communication is lost and

Re: [USRP-users] problem with custom E320 FPGA image

2019-06-06 Thread Jason Matusiak via USRP-users
I figured it out. The problem was that in noc_block_split_stream.v, rb_stb was set to 1'b1 in the noc_shell instantiation. I changed it to ".rb_stb({NUM_OUTPUTS{1'b1}})" and it seems to have build OK. From: USRP-users on behalf of Jason Matusiak via USRP-us