diff --git a/lib/radio/ddc/src/tb_ddc.vhd b/lib/radio/ddc/src/tb_ddc.vhd
index e482e23..5069c63 100644
--- a/lib/radio/ddc/src/tb_ddc.vhd
+++ b/lib/radio/ddc/src/tb_ddc.vhd
@@ -35,9 +35,9 @@ ENTITY tb_ddc IS
 		nbits_out_frac		: integer := 30;
 		lo_nbits_phase		: integer := 24;
 		lo_nbits_freq		: integer := 24;
-		cic_nstages			: integer := 5;
+		cic_nstages			: integer := 9;
 		cic_ratio			: integer := 25;
-		cic_scale_nbits		: integer := 22;
+		cic_scale_nbits		: integer := 42;
 		rfgen_nbits_phase	: integer := 32;
 		rfgen_nbits_freq	: integer := 32
 	);
@@ -109,9 +109,9 @@ ARCHITECTURE behavior OF tb_ddc IS
 
 	--Constants
 	constant fa : REAL := 2.0**27;
-	constant frf1 : REAL := 33.99E6;
-	constant frf2 : REAL := 2.1E6;
-	constant frf3 : REAL := 19.01E6;
+	constant frf1 : REAL := 2.1E6;
+	constant frf2 : REAL := 3.1E6;
+	constant frf3 : REAL := 4.3E6;
 	constant flo : REAL := 2.00E6;
 	constant PERIOD : time := 10 ns;