From 137ae3420b370de42cac2fcb7b1e212968f3a638 Mon Sep 17 00:00:00 2001
From: Andy Walls <awalls@md.metrocast.net>
Date: Tue, 29 Mar 2016 21:30:38 -0400
Subject: gr-analog: Fix FM preemphasis filter and rework deemphasis filter
Add working filters designs for the FM preemphasis Tx filter.
Rework the FM deemphasis Rx filter as it was easier to rederive
the transfer function, than to determine if the one in use was correct.
---
gr-uhd/examples/python/fm_tx4.py | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
(limited to 'gr-uhd/examples/python/fm_tx4.py')
diff --git a/gr-uhd/examples/python/fm_tx4.py b/gr-uhd/examples/python/fm_tx4.py
index fefa67861b..ffc74abf82 100755
--- a/gr-uhd/examples/python/fm_tx4.py
+++ b/gr-uhd/examples/python/fm_tx4.py
@@ -63,7 +63,8 @@ class pipeline(gr.hier_block2):
sys.exit(1)
print audio_rate, if_rate
- fmtx = analog.nbfm_tx(audio_rate, if_rate, max_dev=5e3, tau=75e-6)
+ fmtx = analog.nbfm_tx(audio_rate, if_rate, max_dev=5e3, tau=75e-6,
+ fh=0.0)
# Local oscillator
lo = analog.sig_source_c(if_rate, # sample rate
--
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