pll bandwidth optimized to more nearly meet Carson's rule. The 19 kHz pilot recovery...

[debian/gnuradio] / gnuradio-core / src / python / gnuradio / blks2impl / wfm_rcv_pll.py

diff --git a/gnuradio-core/src/python/gnuradio/blks2impl/wfm_rcv_pll.py b/gnuradio-core/src/python/gnuradio/blks2impl/wfm_rcv_pll.py
index e49544c8ec32d1136d03710d0ec139151991e99f..bc68a9f3f7dbc14f09f470f2be31d71d76eb66e6 100644 (file)
--- a/gnuradio-core/src/python/gnuradio/blks2impl/wfm_rcv_pll.py
+++ b/gnuradio-core/src/python/gnuradio/blks2impl/wfm_rcv_pll.py
@@ -39,7 +39,7 @@ class wfm_rcv_pll(gr.hier_block2):
        gr.hier_block2.__init__(self, "wfm_rcv_pll",
                                gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
                                gr.io_signature(1, 2, gr.sizeof_float))      # Output signature
-        bandwidth = 180e3
+        bandwidth = 250e3
         audio_rate = demod_rate / audio_decimation
 
 
@@ -49,7 +49,7 @@ class wfm_rcv_pll(gr.hier_block2):
         # input: complex; output: float
         alpha = 0.25*bandwidth * math.pi / demod_rate
         beta = alpha * alpha / 4.0
-        max_freq = 2.0*math.pi*100e3/demod_rate
+        max_freq = 2.0*math.pi*90e3/demod_rate
             
         self.fm_demod = gr.pll_freqdet_cf (alpha,beta,max_freq,-max_freq)