Adjust PLL loop filter bandwidth for noise performance (#94)

windytan · Aug 26, 2023 · b32de53 · b32de53
1 parent 0021782
commit b32de53
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/subcarrier.cc b/src/subcarrier.cc
@@ -44,7 +44,7 @@ constexpr float kLowpassCutoff_Hz     = 2400.0f;
 constexpr float kSymsyncBandwidth_Hz  = 2200.0f;
 constexpr int   kSymsyncDelay         = 3;
 constexpr float kSymsyncBeta          = 0.8f;
-constexpr float kPLLBandwidth_Hz      = 0.01f;
+constexpr float kPLLBandwidth_Hz      = 0.03f;
 constexpr float kPLLMultiplier        = 12.0f;
 
 constexpr float hertz2step(float Hz) {