diff --git a/lib/radio/ddc/src/ddc.vhd b/lib/radio/ddc/src/ddc.vhd
index 959f213..57c8738 100644
--- a/lib/radio/ddc/src/ddc.vhd
+++ b/lib/radio/ddc/src/ddc.vhd
@@ -172,7 +172,7 @@ ARCHITECTURE behavior OF ddc IS
 	constant cic_nbits_out			: integer := nbits_out+1;
 	constant cic_nbits_out_frac		: integer := nbits_out_frac+1;
 
-	constant cfir_mul_latency		: integer := 5;
+	constant cfir_mul_latency		: integer := 4;
 	constant cfir_ntaps				: integer := 63;
 	constant cfir_nstages			: integer := 2;
 	constant cfir_nbits_in			: integer := cic_nbits_out;
diff --git a/lib/radio/ddc/src/syn_ddc.vhd b/lib/radio/ddc/src/syn_ddc.vhd
index 0742175..270b122 100644
--- a/lib/radio/ddc/src/syn_ddc.vhd
+++ b/lib/radio/ddc/src/syn_ddc.vhd
@@ -28,13 +28,13 @@ use work.fixed_util_pkg.all;
 	(
 		nbits_in			: integer := 16;
 		nbits_in_frac		: integer := 14;
-		nbits_out			: integer := 24;
-		nbits_out_frac		: integer := 22;
+		nbits_out			: integer := 32;
+		nbits_out_frac		: integer := 30;
 		lo_nbits_phase		: integer := 20;
 		lo_nbits_freq		: integer := 20;
-		cic_nstages			: integer := 3;
-		cic_ratio			: integer := 64;
-		cic_scale_nbits		: integer := 18
+		cic_nstages			: integer := 5;
+		cic_ratio			: integer := 25;
+		cic_scale_nbits		: integer := 22
 	);
 	PORT
 	(