diff --git a/applications/apertif/apertif_unb1_correlator/src/python/gen_hex_files_composite_signals.py b/applications/apertif/apertif_unb1_correlator/src/python/gen_hex_files_composite_signals.py
index 4eaf99b03e3c748a3d167c8aa0f3f2e55b0d9049..b71d22a4902750e91a36ba7c6f21a802f6020537 100644
--- a/applications/apertif/apertif_unb1_correlator/src/python/gen_hex_files_composite_signals.py
+++ b/applications/apertif/apertif_unb1_correlator/src/python/gen_hex_files_composite_signals.py
@@ -54,9 +54,7 @@ T = 1.0 / N
 
 x = np.linspace(0.0, N*T, N)
 
-# 8 bit signed -> WAAROM LIJKT AMPL_MAX DAN TOCH 63 te zijn IPV 127??
-# . Boven ~70 wordt de waarde aan de FFT output jusit lager...
-AMPL_MAX = 63 # 7 bits+sign #HUH?! 100->62; 63->118; 80->105; 70->123; 72->121; 75->110
+AMPL_MAX = 127
 CHANNELS = [1,5,12,17,21,25,28,34,41,47,54,55,60]
 NOF_CHANNELS = len(CHANNELS)