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| author | Josh Blum <josh@joshknows.com> | 2011-12-12 10:28:27 -0800 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2011-12-12 10:28:27 -0800 |
| commit | 6c1fd6e2d96484027751dc853a609f4e6946bd32 (patch) | |
| tree | 0810d76faed849801de09b71e1c0406c6eafaf88 /host | |
| parent | ae0b0700b4037f860d7d62f30edfc8a9933734be (diff) | |
| download | uhd-6c1fd6e2d96484027751dc853a609f4e6946bd32.tar.gz uhd-6c1fd6e2d96484027751dc853a609f4e6946bd32.tar.bz2 uhd-6c1fd6e2d96484027751dc853a609f4e6946bd32.zip | |
uhd: some more notes on calibration utils
Diffstat (limited to 'host')
| -rw-r--r-- | host/docs/calibration.rst | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/host/docs/calibration.rst b/host/docs/calibration.rst index 0aaace8f4..14e66a312 100644 --- a/host/docs/calibration.rst +++ b/host/docs/calibration.rst @@ -11,9 +11,14 @@ The UHD comes with several self-calibration utilities for minimizing IQ imbalanc These utilities perform calibration sweeps using transmit leakage into the receive path (special equipment is not required). The results from a calibration are written to a csv file in the user's home directory. -UHD will automatically apply corrections at runtime when the user changes settings. +UHD will automatically apply corrections at runtime when the user re-tunes the daughterboard LO. Calibration results are specific to an individual RF board. +**Note:** +When a calibration table is present, +and the user wishes to override the calibration settings through the API: +the user should re-apply the desired setting every time the LO is re-tuned. + UHD comes with the following calibration utilities: * **uhd_cal_rx_iq_balance:** - mimimizes RX IQ imbalance vs LO frequency |