Nevertheless, using a "throttle" block with 400e6 samples/second seems to be inadequate. The throttle rate (which has nothing to do with the sampling rate) should be reduced to something the average computer can deal with when visualizing. Maheshkumar, use something like 100k for the beginning.
On Thu, 2013-10-31 at 14:38 +0000, Marcus Leech wrote: > Oh, nevermind. I missed the "simulation" part. > > > > on Oct 31, 2013, Marcus Leech <[email protected]> wrote: > What SDR is being used that samples at 400e6 SPS, and what > *computer* is being used that can keep up? Inquiring minds > want to know... > > > > on Oct 31, 2013, Mike Jameson <[email protected]> wrote: > > 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: [email protected] > Web: http://www.ettus.com > > > On Thu, Oct 31, 2013 at 10:54 AM, Maheshkumar Pandit > <[email protected]> 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 > [email protected] > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > ______________________________________________________ > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > > ______________________________________________________________ > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
