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authorMark Meserve <mark.meserve@ni.com>2019-01-08 16:48:21 -0600
committerBrent Stapleton <brent.stapleton@ettus.com>2019-01-08 17:55:28 -0800
commita3da15e222201f5316fe9a835668fe228ab9caa4 (patch)
tree3ba7b746584b4a5741f55be749ecfd9e97bfe966
parentb13a99e45f29388a8dbe1eff5a7d8bd122846050 (diff)
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rh: adjust frequencies for lo filter bank
- Moves the cutover frequency for the 900 MHz LO filter from 900 to 975 MHz. This fixes an image issue in TX when transmitting near 325 MHz or 900 MHz.
-rw-r--r--host/lib/usrp/dboard/rhodium/rhodium_constants.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/host/lib/usrp/dboard/rhodium/rhodium_constants.hpp b/host/lib/usrp/dboard/rhodium/rhodium_constants.hpp
index 2548abdd5..2aafe4a63 100644
--- a/host/lib/usrp/dboard/rhodium/rhodium_constants.hpp
+++ b/host/lib/usrp/dboard/rhodium/rhodium_constants.hpp
@@ -22,7 +22,7 @@ static constexpr double RHODIUM_LO1_MIN_FREQ = 450e6; // Hz
static constexpr double RHODIUM_LO1_MAX_FREQ = 6e9; // Hz
static constexpr double RHODIUM_LO1_REF_FREQ = 122.88e6; // Hz
-static constexpr double RHODIUM_LO_0_9_GHZ_LPF_THRESHOLD_FREQ = 0.9e9; // Hz
+static constexpr double RHODIUM_LO_0_9_GHZ_LPF_THRESHOLD_FREQ = 0.975e9; // Hz
static constexpr double RHODIUM_LO_2_25_GHZ_LPF_THRESHOLD_FREQ = 2.3e9; // Hz
static constexpr double RHODIUM_LOWBAND_FREQ = 450e6; // Hz