Hi, Following up on this, the question I'm trying to answer is: "Can I calibrate the rx power on an N210 + UBX platform?"
With the N210, has_rx_power_reference() <https://files.ettus.com/manual/classuhd_1_1usrp_1_1multi__usrp.html#af0307aa83d1454e92a7ec91fb4100b98> returns False. Can I conclude from this that an rx power calibration is not possible on this device? On Tue, Sep 7, 2021 at 9:00 PM Ernest Fardin <[email protected]> wrote: > Hi, > > I'm trying to calibrate the receive power on a USRP N210 with a UBX > daughterboard. Using UHD 4.0, I can get uhd_power_cal.py to run by adding > an N210Calibrator class to usrp_calibrator.py. N210Calibrator overloads the > USRPCalibratorBase class. > > class N210Calibrator(USRPCalibratorBase): > """ > N210/UBX Calibration > """ > mboard_ids = ('N210r4',) > default_rate = 2.5e6 > min_freq = 50e6 > max_freq = 50e6 > tune_settling_time = .5 > > When the calibration completes, the store() method in usrp_calibrator > attempts to write the calibration table to the UBX with > > database.write_cal_data( > cal_key, > cal_serial, > cal_data.serialize()) > > The chan_info string returned by the N210 is: > > {'mboard_id': 'N210r4', 'mboard_name': '', 'mboard_serial': '318EFF3', > 'rx_antenna': 'TX/RX', 'rx_id': 'UBX-40 v2 (0x007c)', 'rx_serial': > '318D55F', 'rx_subdev_name': 'UBX RX', 'rx_subdev_spec': 'A:0'} > > What values to use for cal_key and cal_serial? > > Thanks in advance! > > Ernest > >
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