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-rw-r--r--gnuradio-core/src/lib/general/gr_firdes.i1
1 files changed, 1 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/general/gr_firdes.i b/gnuradio-core/src/lib/general/gr_firdes.i
index 4ac9855d2..73becadba 100644
--- a/gnuradio-core/src/lib/general/gr_firdes.i
+++ b/gnuradio-core/src/lib/general/gr_firdes.i
@@ -49,6 +49,7 @@ class gr_firdes {
* \p sampling_freq: sampling freq (Hz)
* \p cutoff_freq: center of transition band (Hz)
* \p transition_width: width of transition band (Hz).
+ * \p attenuation_dB out of band attenuation
* The normalized width of the transition
* band is what sets the number of taps
* required. Narrow --> more taps