diff --git a/lib/radio/ddc/sim/tb_results.m b/lib/radio/ddc/sim/tb_results.m
index c5111ec..4d25ce5 100644
--- a/lib/radio/ddc/sim/tb_results.m
+++ b/lib/radio/ddc/sim/tb_results.m
@@ -1,6 +1,7 @@
 % Read data
 function tb_results()
-fa = 100.0;
+%fa = 100.0;
+fa = TEXTREAD('fa.txt')/1E6
 R = TEXTREAD('ratio.txt');
 N = TEXTREAD('nstages.txt');;
 M = 1;