On 2021-09-21 3:11 a.m., [email protected] wrote:
uhd_config_info --version
UHD 4.1.0.HEAD-0-g96032d06
uhd_usrp_probe
[INFO] [UHD] linux; GNU C++ version 10.3.1 20210422 (Red Hat
10.3.1-1); Boost_106900; UHD_4.1.0.HEAD-0-g96032d06
[INFO] [USRP2] Opening a USRP2/N-Series device...
[INFO] [USRP2] Current recv frame size: 1472 bytes
[INFO] [USRP2] Current send frame size: 1472 bytes
_____________________________________________________
/
| Device: USRP2 / N-Series Device
| _____________________________________________________
| /
| | Mboard: N210r4
| | hardware: 2577
| | mac-addr: 00:80:2f:0a:d6:80
| | ip-addr: 10.0.0.2
| | subnet: 255.255.255.0
| | gateway: 0.0.0.0
| | gpsdo: internal
| | serial: F396E8
| | name: N210 #1
| | FW Version: 12.4
| | FPGA Version: 11.1
| |
| | 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: LF RX (0x000f)
| | | Serial: 3071C6C
| | | _____________________________________________________
| | | /
| | | | RX Frontend: AB
| | | | Name: LFRX (AB)
| | | | Antennas:
| | | | Sensors:
| | | | Freq range: -32.000 to 32.000 MHz
| | | | Gain Elements: None
| | | | Bandwidth range: 64000000.0 to 64000000.0 step 0.0 Hz
| | | | Connection Type: IQ
| | | | Uses LO offset: No
| | | _____________________________________________________
| | | /
| | | | RX Frontend: BA
| | | | Name: LFRX (BA)
| | | | Antennas:
| | | | Sensors:
| | | | Freq range: -32.000 to 32.000 MHz
| | | | Gain Elements: None
| | | | Bandwidth range: 64000000.0 to 64000000.0 step 0.0 Hz
| | | | Connection Type: QI
| | | | Uses LO offset: No
| | | _____________________________________________________
| | | /
| | | | RX Frontend: A
| | | | Name: LFRX (A)
| | | | Antennas:
| | | | Sensors:
| | | | Freq range: -32.000 to 32.000 MHz
| | | | Gain Elements: None
| | | | Bandwidth range: 32000000.0 to 32000000.0 step 0.0 Hz
| | | | Connection Type: I
| | | | Uses LO offset: No
| | | _____________________________________________________
| | | /
| | | | RX Frontend: B
| | | | Name: LFRX (B)
| | | | Antennas:
| | | | Sensors:
| | | | Freq range: -32.000 to 32.000 MHz
| | | | Gain Elements: None
| | | | Bandwidth range: 32000000.0 to 32000000.0 step 0.0 Hz
| | | | Connection Type: Q
| | | | Uses LO offset: No
| | | _____________________________________________________
| | | /
| | | | RX Codec: A
| | | | Name: ads62p44
| | | | Gain range digital: 0.0 to 6.0 step 0.5 dB
| | | | Gain range fine: 0.0 to 0.5 step 0.1 dB
| | _____________________________________________________
| | /
| | | 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
_______________________________________________
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I tried a dual-stream configuration with Gnu Radio and UHD 3.15, using
"A:B A:B" with two different tuned frequencies, and it worked just fine.
I would use a single dual-channel stream, and pick apart the two
channels yourself--which is what Gnu Radio is doing.
I also used rx_multi_samples UHD example--it also configures as a single
multi-channel stream.
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