[USRP-users] B210 TX from file of complex samples

2021-01-14 Thread Hai Nguyen via USRP-users
Hello, I'm trying to transmit complex samples (e.g. BPSK chips) using B210 and GNUradio. My flowgraph is very simple: A file source connected to a USRP sink (cpu format fc64), sample rate is 1e6. However the USRP seems not to transmit anything (no red light, and nothing on the spectrum) and also t

[USRP-users] UHD4.0 rfnoc-example gain block not recognized

2021-01-14 Thread Cédric Hannotier via USRP-users
Dear all, After following [1] (testing OOT gain block from example code), uhd_usrp_probe outputs: [...] [WARNING] [RFNOC::BLOCK_FACTORY] Could not find block with Noc-ID 0xb16, 0x [...] | | * 0/Block#0 | | * 0/DDC#0 [...] and in C++: auto gain_blocks = graph->find_blocks(""); is em

Re: [USRP-users] E312 Battery Question

2021-01-14 Thread Marcus D Leech via USRP-users
As long as it had power it will run fine without the battery as far as I know. Sent from my iPhone > On Jan 14, 2021, at 12:20 PM, David Scott via USRP-users > wrote: > >  > Hi all, > > > > I need to carry out some development and testing with the USRP E312 for work > in the lab. However

[USRP-users] E312 Battery Question

2021-01-14 Thread David Scott via USRP-users
Hi all, I need to carry out some development and testing with the USRP E312 for work in the lab. However, due to the lockdown in the UK I am not able to physically get to the device except for some initial setting up (network etc.). I know that the device should not be plugged in for more tha

Re: [USRP-users] Changing the transmitted samples per packet

2021-01-14 Thread Wade Fife via USRP-users
See also https://files.ettus.com/manual/page_configuration.html#config_stream_args_args You might also refer to the benchmark_rate example, which takes arguments to set the SPP for RX and TX separately. Wade On Wed, Jan 13, 2021 at 11:21 AM Marcus D Leech via USRP-users < usrp-users@lists.ettus.