1 files changed, 6 insertions, 0 deletions
diff --git a/host/lib/usrp/common/lmx2592.cpp b/host/lib/usrp/common/lmx2592.cpp
index 3f71fb04c..4a6cef887 100644
--- a/host/lib/usrp/common/lmx2592.cpp
+++ b/host/lib/usrp/common/lmx2592.cpp
@@ -151,6 +151,12 @@ public:
         // Find the largest possible divider
         auto output_divider_index = 0;
         for (auto limit : LMX2592_CHDIV_MIN_FREQ) {
+            // The second harmonic level is very bad when using the div-by-3
+            // Skip and let the div-by-4 cover the range
+            if (LMX2592_CHDIV_DIVIDERS[output_divider_index] == 3) {
+                output_divider_index++;
+                continue;
+            }
             if (target_freq < limit) {
                 output_divider_index++;
             } else {