Hi, I am trying to measure IQ Imbalance of USRP N210 with WBX daughterboard:
After running *uhd_cal_rx_iq_balance*, I got following error: *Error: This dboard has no serial!* *Please see the Calibration documentation for details on how to fix this* USRP Probe output: linux; GNU C++ version 5.4.0 20160609; Boost_105800; UHD_003.011.000.git-106-g1b70b3e7 -- Opening a USRP2/N-Series device... -- Current recv frame size: 1472 bytes -- Current send frame size: 1472 bytes _____________________________________________________ / | Device: USRP2 / N-Series Device | _____________________________________________________ | / | | Mboard: USRP2 r4 | | hardware: 1024 | | mac-addr: 00:50:c2:85:34:eb | | ip-addr: 192.168.10.5 | | subnet: 255.255.255.255 | | gateway: 255.255.255.255 | | gpsdo: none | | serial: 1259 | | FW Version: 12.4 | | FPGA Version: 10.1 | | | | 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: WBX, WBX + Simple GDB (0x0053) | | | _____________________________________________________ | | | / | | | | RX Frontend: 0 | | | | Name: WBXv2 RX+GDB | | | | Antennas: TX/RX, RX2, CAL | | | | Sensors: lo_locked | | | | Freq range: 68.750 to 2200.000 MHz | | | | Gain range PGA0: 0.0 to 31.5 step 0.5 dB | | | | Bandwidth range: 40000000.0 to 40000000.0 step 0.0 Hz | | | | Connection Type: IQ | | | | Uses LO offset: No | | | _____________________________________________________ | | | / | | | | RX Codec: A | | | | Name: ltc2284 | | | | Gain Elements: None | | _____________________________________________________ | | / | | | TX DSP: 0 | | | | | | Freq range: -50.000 to 50.000 MHz | | _____________________________________________________ | | / | | | TX Dboard: A | | | ID: WBX (0x0052) | | | _____________________________________________________ | | | / | | | | TX Frontend: 0 | | | | Name: WBXv2 TX+GDB | | | | Antennas: TX/RX, CAL | | | | Sensors: lo_locked | | | | Freq range: 68.750 to 2200.000 MHz | | | | Gain range PGA0: 0.0 to 25.0 step 0.1 dB | | | | Bandwidth range: 40000000.0 to 40000000.0 step 0.0 Hz | | | | Connection Type: IQ | | | | Uses LO offset: No | | | _____________________________________________________ | | | / | | | | TX Codec: A | | | | Name: ad9777 | | | | Gain Elements: None The documentation on http://files.ettus.com/manual/page_calibration.html#calibration_self suggested burning serial number into daughterboard's EEPROM. After running */usrp_burn_db_eeprom --ser=N210105 * I got following error: *Error: LookupError: Path not found in tree: /mboards/0/dboards/A/_eeprom * Please let me know how to resolve this issue. Thanks, Kunal
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