ok.Then how can i achieve FM for greater deviation.i.e. in MHz range in GRC?
On Thu, Jun 5, 2014 at 1:18 PM, Marcus Müller <marcus.muel...@ettus.com> wrote: > Given your question, I think you already know the answer. 2MHz is far > from audio. Please refer to the wbfm example in GNU Radio, which has sane > parameters. > > Greetings, > Marcus > > On 05.06.2014 09:58, jason sam wrote: > > Hi All, > I am doing simple wide band FM..The flowgraph is as attached..When i > execute it i am getting following error: > > gr_remez: insufficient extremals -- cannot continue > Traceback (most recent call last): > File "/home/ali/Desktop/top_block.py", line 109, in <module> > tb = top_block() > File "/home/ali/Desktop/top_block.py", line 75, in __init__ > max_dev=4000000, > File "/usr/local/lib/python2.7/dist-packages/gnuradio/analog/wfm_tx.py", > line 69, in __init__ > 40) # stopband atten dB > File "/usr/local/lib/python2.7/dist-packages/gnuradio/filter/optfir.py", > line 55, in low_pass > taps = filter.pm_remez (n + nextra_taps, fo, ao, w, "bandpass") > File > "/usr/local/lib/python2.7/dist-packages/gnuradio/filter/filter_swig.py", > line 466, in pm_remez > return _filter_swig.pm_remez(*args, **kwargs) > RuntimeError: gr_remez: insufficient extremals -- cannot continue > > Is the quadrature rate and audio rate are high? > > > > > _______________________________________________ > Discuss-gnuradio mailing > listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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