From 6c1fd6e2d96484027751dc853a609f4e6946bd32 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Mon, 12 Dec 2011 10:28:27 -0800 Subject: uhd: some more notes on calibration utils --- host/docs/calibration.rst | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'host/docs') 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 -- cgit v1.2.3