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From: | jason sam |
Subject: | Re: [Discuss-gnuradio] Using WBFM block |
Date: | Thu, 5 Jun 2014 13:37:06 +0500 |
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?
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