I assume these are old systems? Sent from my iPhone
> On Sep 8, 2021, at 1:19 PM, isaac mario tupac davila <isacct...@gmail.com> > wrote: > > > Hi > > It seems the problem is the Rx daughterboard because I changed the USRP, used > the same flowgraph in GRC and it has worked. > > Thanks for the help. > Regards > Isaac T. > >> El lun, 6 sept 2021 a las 17:53, Marcus D. Leech (<patchvonbr...@gmail.com>) >> escribió: >> On 2021-09-06 5:33 p.m., isaac mario tupac davila wrote: >>> Hi >>> >>> I've probed A:A, A:B, A:AB, A:BA and had the same behavior. Doesn't change. >>> >>> regards >>> Isaac T >>> >>> >> This should make NO DIFFERENCE, but what version of Gnu Radio are you using? >> >> >> The fact that you're using WX GUI bits and pieces probably means something >> somewhat old. >> >> The "modern" approach would be to use Qt GUI elements that do very similar >> things to what >> the (deprecated for quite some time) WX GUI bits and pieces do. >> >> >>> >>> El lun, 6 sept 2021 a las 15:43, Marcus D. Leech >>> (<patchvonbr...@gmail.com>) escribió: >>>> On 2021-09-06 3:24 p.m., isaac mario tupac davila wrote: >>>>> Hi. >>>>> -- The daughterboard is the BasicRX Daughterboard. >>>>> -- I put the address of my USRP as 192.168.10.1 >>>>> ****************************************************************************************************** >>>>> soporte@i28:~$ ping 192.168.10.1 >>>>> PING 192.168.10.1 (192.168.10.1) 56(84) bytes of data. >>>>> 64 bytes from 192.168.10.1: icmp_seq=1 ttl=64 time=0.051 ms >>>>> 64 bytes from 192.168.10.1: icmp_seq=2 ttl=64 time=0.051 ms >>>>> 64 bytes from 192.168.10.1: icmp_seq=3 ttl=64 time=0.049 ms >>>>> ****************************************************************************************************** >>>>> soporte@28:~$ uhd_usrp_probe --args type=n200 >>>> Try setting a subdev spec of: >>>> >>>> A:A >>>> >>>> >>>>> Error: LookupError: KeyError: No devices found for -----> >>>>> Device Address: >>>>> type: n200 >>>>> ******************************************************************************************************* >>>>> soporte@28:~$ uhd_find_devices >>>>> [INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; >>>>> UHD_3.14.1.1-0-g7c0291ad >>>>> -------------------------------------------------- >>>>> -- UHD Device 0 >>>>> -------------------------------------------------- >>>>> Device Address: >>>>> serial: 3176CEA >>>>> addr: 192.168.10.2 >>>>> name: >>>>> type: usrp2 >>>>> ******************************************************************************************************* >>>>> soporte@28:~$ uhd_usrp_probe >>>>> [INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; >>>>> UHD_3.14.1.1-0-g7c0291ad >>>>> [INFO] [USRP2] Opening a USRP2/N-Series device... >>>>> [INFO] [USRP2] Current recv frame size: 1472 bytes >>>>> [INFO] [USRP2] Current send frame size: 1472 bytes >>>>> [WARNING] [USRP2] Unable to identify device - assuming USRP2/N-Series >>>>> device >>>>> [WARNING] [UHD] Unable to set the thread priority. Performance may be >>>>> negatively affected. >>>>> Please see the general application notes in the manual for instructions. >>>>> EnvironmentError: OSError: error in pthread_setschedparam >>>>> _____________________________________________________ >>>>> / >>>>> | Device: USRP2 / N-Series Device >>>>> | _____________________________________________________ >>>>> | / >>>>> | | Mboard: N??? >>>>> | | mac-addr: 00:2c:00:00:00:24 >>>>> | | ip-addr: 0.0.0.0 >>>>> | | subnet: 0.0.0.0 >>>>> | | gateway: 255.255.255.255 >>>>> | | gpsdo: none >>>>> | | serial: 3176CEA >>>>> | | FW Version: 12.3 >>>>> | | FPGA Version: 10.0 >>>>> | | >>>>> | | Time sources: none, external, _external_, mimo >>>>> | | Clock sources: internal, external, mimo >>>>> | | Sensors: mimo_locked, ref_locked >>>>> | | _____________________________________________________ >>>>> | | / >>>>> | | | RX DSP: 0 >>>>> | | | >>>>> | | | Freq range: -50.000 to 50.000 MHz >>>>> | | _____________________________________________________ >>>>> | | / >>>>> | | | RX DSP: 1 >>>>> | | | >>>>> | | | Freq range: -50.000 to 50.000 MHz >>>>> | | _____________________________________________________ >>>>> | | / >>>>> | | | RX Dboard: A >>>>> | | | ID: Basic RX (0x0001) >>>>> | | | Serial: 315A5DF >>>>> | | | _____________________________________________________ >>>>> | | | / >>>>> | | | | RX Frontend: AB >>>>> | | | | Name: BasicRX (AB) >>>>> | | | | Antennas: >>>>> | | | | Sensors: >>>>> | | | | Freq range: -250.000 to 250.000 MHz >>>>> | | | | Gain Elements: None >>>>> | | | | Bandwidth range: 500000000.0 to 500000000.0 step 0.0 Hz >>>>> | | | | Connection Type: IQ >>>>> | | | | Uses LO offset: No >>>>> | | | _____________________________________________________ >>>>> | | | / >>>>> | | | | RX Frontend: BA >>>>> | | | | Name: BasicRX (BA) >>>>> | | | | Antennas: >>>>> | | | | Sensors: >>>>> | | | | Freq range: -250.000 to 250.000 MHz >>>>> | | | | Gain Elements: None >>>>> | | | | Bandwidth range: 500000000.0 to 500000000.0 step 0.0 Hz >>>>> | | | | Connection Type: QI >>>>> | | | | Uses LO offset: No >>>>> | | | _____________________________________________________ >>>>> | | | / >>>>> | | | | RX Frontend: A >>>>> | | | | Name: BasicRX (A) >>>>> | | | | Antennas: >>>>> | | | | Sensors: >>>>> | | | | Freq range: -250.000 to 250.000 MHz >>>>> | | | | Gain Elements: None >>>>> | | | | Bandwidth range: 250000000.0 to 250000000.0 step 0.0 Hz >>>>> | | | | Connection Type: I >>>>> | | | | Uses LO offset: No >>>>> | | | _____________________________________________________ >>>>> | | | / >>>>> | | | | RX Frontend: B >>>>> | | | | Name: BasicRX (B) >>>>> | | | | Antennas: >>>>> | | | | Sensors: >>>>> | | | | Freq range: -250.000 to 250.000 MHz >>>>> | | | | Gain Elements: None >>>>> | | | | Bandwidth range: 250000000.0 to 250000000.0 step 0.0 Hz >>>>> | | | | Connection Type: Q >>>>> | | | | Uses LO offset: No >>>>> | | | _____________________________________________________ >>>>> | | | / >>>>> | | | | RX Codec: A >>>>> | | | | Name: ?????? >>>>> | | | | Gain Elements: None >>>>> | | _____________________________________________________ >>>>> | | / >>>>> | | | TX DSP: 0 >>>>> | | | >>>>> | | | Freq range: -200.000 to 200.000 MHz >>>>> | | _____________________________________________________ >>>>> | | / >>>>> | | | TX Dboard: A >>>>> | | | _____________________________________________________ >>>>> | | | / >>>>> | | | | TX Frontend: 0 >>>>> | | | | Name: Unknown (0xffff) - 0 >>>>> | | | | Antennas: >>>>> | | | | Sensors: >>>>> | | | | Freq range: 0.000 to 0.000 MHz >>>>> | | | | Gain Elements: None >>>>> | | | | Bandwidth range: 0.0 to 0.0 step 0.0 Hz >>>>> | | | | Connection Type: IQ >>>>> | | | | Uses LO offset: No >>>>> | | | _____________________________________________________ >>>>> | | | / >>>>> | | | | TX Codec: A >>>>> | | | | Name: ad9777 >>>>> | | | | Gain Elements: None >>>>> >>>>> [WARNING] [UHD] Unable to set the thread priority. Performance may be >>>>> negatively affected. >>>>> Please see the general application notes in the manual for instructions. >>>>> EnvironmentError: OSError: error in pthread_setschedparam >>>>> [WARNING] [UHD] Unable to set the thread priority. Performance may be >>>>> negatively affected. >>>>> Please see the general application notes in the manual for instructions. >>>>> EnvironmentError: OSError: error in pthread_setschedparam >>>>> **************************************************************************************************************** >>>>> >>>>> I'm not completely sure what is happening. it seems I have an USRP2. I >>>>> put it wit address 192.168.10.1, but when I run uhd_find_devices is with >>>>> 192.168.10.2 >>>>> ¿Could be that? >>>>> >>>>> Isaac T. >>>>> >>>>> >>>>> >>>>> El lun, 6 sept 2021 a las 13:22, Paul Boven (<p.bo...@xs4all.nl>) >>>>> escribió: >>>>>> Hi Isaac, >>>>>> >>>>>> On 9/6/21 6:02 PM, isaac mario tupac davila wrote: >>>>>> > I'm Isaac. I am trying to discover what is happening with my USRP >>>>>> > N200. >>>>>> > I'm sending a signal of 100mVpp and 1MHz from a signal generator to >>>>>> > channel RF 2 of my USRP N200 but I receive a 0v signal and a constant >>>>>> > -230db (if I see it in a FFT block). >>>>>> >>>>>> Please include which RX daughterboard you are using with the N200? What >>>>>> is RF2 connected to internally in the USRP? Does channel RF1 work for >>>>>> you? >>>>>> >>>>>> In your flowchart, you're using a center frequency of 1 MHz with a >>>>>> sampling rate of 10 MS/s, which is a bit odd, although it shouldn't >>>>>> prevent you from seeing the signal. >>>>>> >>>>>> Your scope plot and FFT plot look as if you're not receiving anything, >>>>>> not even noise. >>>>>> >>>>>> You should probably first of all verify whether your PC can even talk to >>>>>> the USRP properly, e.g. by running 'uhd_find_devices' and >>>>>> 'uhd_usrp_probe'. >>>>>> >>>>>> Regards, Paul Boven. >>>>>> >>>> >>
