From 0bdb1ce8e7753f6617074fb859419a6185d91ad1 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Sat, 25 Feb 2017 14:12:05 +0100 Subject: Document lo_offset --- doc/example.ini | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/doc/example.ini b/doc/example.ini index bdb3f00..36a6c2f 100644 --- a/doc/example.ini +++ b/doc/example.ini @@ -201,6 +201,15 @@ txgain=2.0 ;frequency=234208000 channel=13C +; Some USRP boards/frontends support setting an LO offset that has the +; effect of shifting DC out of the signal bandwidth. This should also +; improve IQ imbalance effects, because the mirror will centered on another +; frequency (it should be on frequency + 2*lo_offset) +; +; The value can be negative, and its absolute value must be smaller than +; master_clock_rate/2. +;lo_offset=2048000 + ; The reference clock to use. The gpsdo is the ODR LEA-M8F board, the ; official Ettus GPSDO is selected with gpsdo-ettus ; possible values : internal, external, MIMO, gpsdo, gpsdo-ettus -- cgit v1.2.3