uhd_cal_rx_iq_balance(1)

👑 uhd_cal_rx_iq_balance — like, the RX IQ Balance Calibration Table generator for a UHD Device 💅

okay bestie, welcome to the uhd_cal_rx_iq_balance manual page — it lives in section 1 of the User Commands manual, and it is exactly the kind of tool that looks scary and is actually so good once you know what it's doing. sit down, grab a strawberry 🍓, let's go.

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✨ NAME ✨

uhd_cal_rx_iq_balance — Generate RX IQ Balance Calibration Table for a UHD Device 🦋

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🌸 DESCRIPTION 🌸

so the Universal Software Radio Peripheral Hardware Drivers handle calibration info, right? and this little app right here reduces RX IQ imbalance within whatever frequency range you tell it — and the way it does that is by using transmit leakage into the receive path. sneaky. iconic. it works.

⚠️ no cap, listen to me: remove all external hardware from the RF antenna ports before using this application. like, ALL of it. take it off. 🙈

also heads up: with default settings, this can take up to several minutes. it's not frozen, it's just thinking. main character energy takes time. 😭

💀 NOTE: This application can only be used with the WBX, SBX, XCVR2450, and RFX daughterboards. if your board isn't on that list, this is not the vibe. sorry bestie.

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💖 OPTIONS 💖

every single one, no skips, periodt:

• --help — help message ✨
• --verbose — enable some verbose 👀
• --args arg — device address args [default = ""]
• --tx_wave_freq arg (=507123) — Transmit wave frequency in Hz
• --tx_wave_ampl arg (=0.69999999999999996) — Transmit wave amplitude in counts
• --tx_gain arg — Tx gain in dB (will use default gain if unspecified)
• --tx_offset arg (=934400) — TX LO offset from the RX LO in Hz
• --freq_start arg — Frequency start in Hz (will use beginning of frequency range if unspecified)
• --freq_stop arg — Frequency stop in Hz (will use end of frequency range if unspecified)
• --freq_step arg (=7300000) — Step size for LO sweep in Hz
• --nsamps arg (=10000) — Samples per data capture

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🫶 SEE ALSO 🫶

• UHD documentation: http://files.ettus.com/manual/
• GR-UHD documentation: http://gnuradio.org/doc/doxygen/page_uhd.html
• Other UHD programs:
  • uhd_cal_tx_dc_offset(1)
  • uhd_cal_tx_iq_balance(1)

go read those too, iykyk 📚

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💜 AUTHOR 💜

This manual page was written by Maitland Bottoms and Nicholas Corgan for the Debian project (but may be used by others). legends fr fr 👑

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🌈 COPYRIGHT 🌈

Copyright (c) 2012-2022 Ettus Research, A National Instruments Brand

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

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💅 and that's the whole page, bestie — brought to you by UHD 3.7.0 (that's the version, she's serving), filed under the uhd_cal_rx_iq_balance(1) corner of the universe. now go calibrate something, you absolute icon. 🎀✨🦋