Hi Maheshkumar, For your example using a sample rate of 400e6, the low and high cutoff frequencies need to be between -200e6 and 200e6, not 800+ as you currently have them configured.
Try 10e6 for low cutoff and 20e6 for high cutoff. Regards, Mike -- Mike Jameson M0MIK BSc MIET Ettus Research Technical Support Email: supp...@ettus.com Web: http://www.ettus.com <http://www.ettus.com> On Thu, Oct 31, 2013 at 10:54 AM, Maheshkumar Pandit <elecomah...@gmail.com>wrote: > hello every one .. > > > i implement the following spectrum generation stimulation > but band pass parameter show error . > > File "/home/mahesh/Documents/3110/1/top_block.py", line 128, in __init__ > 1, samp_rate, 830000000, 840000000, 10000, firdes.WIN_HAMMING, 6.76)) > File > "/usr/lib/python2.6/dist-packages/gnuradio/gr/gnuradio_core_general.py", > line 9544, in band_pass > return _gnuradio_core_general.firdes_band_pass(*args, **kwargs) > RuntimeError: gr_firdes check failed: 0 < fa <= sampling_freq / 2 > > guude me if any buddy face sane problem > -- > *Thanks and regard:* > * > > MR.Maheshkumar Pandit > ** > * > *call @ 9662784649 > * > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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