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| author | Andy Walls <awalls@md.metrocast.net> | 2016-03-29 21:30:38 -0400 |
|---|---|---|
| committer | Andy Walls <awalls@md.metrocast.net> | 2016-03-29 21:30:38 -0400 |
| commit | 137ae3420b370de42cac2fcb7b1e212968f3a638 (patch) | |
| tree | 3988128f58bc6e32f8ae25ae39baaf6c0b7c4a6e /gr-analog/examples/fmtest.py | |
| parent | 0a185537075ceb3a985f3a5cf198cb3b76c039a2 (diff) | |
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.
Diffstat (limited to 'gr-analog/examples/fmtest.py')
| -rwxr-xr-x | gr-analog/examples/fmtest.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gr-analog/examples/fmtest.py b/gr-analog/examples/fmtest.py index 327da8eacb..22448e6428 100755 --- a/gr-analog/examples/fmtest.py +++ b/gr-analog/examples/fmtest.py @@ -48,7 +48,8 @@ class fmtx(gr.hier_block2): gr.io_signature(1, 1, gr.sizeof_float), gr.io_signature(1, 1, gr.sizeof_gr_complex)) - 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 |