diff --git a/lib/radio/nco/src/nco_pkg.vhd b/lib/radio/nco/src/nco_pkg.vhd
index 0bb9cef..c61dc06 100644
--- a/lib/radio/nco/src/nco_pkg.vhd
+++ b/lib/radio/nco/src/nco_pkg.vhd
@@ -27,6 +27,13 @@ package nco_pkg is
 		q_d : real;
 	end record;
 
+	type debug_mix_out_t is record 
+		i_in	: real;
+		q_in	: real;
+		i_out	: real;
+		q_out	: real;
+	end record;
+
 	constant lfsr_poly : natural_array_t(3 to 24) := 
 	(
 		12,			-- 3