Cool. I will try that. Thank you very much :)
On Fri, Sep 2, 2016 at 12:08 PM, Marcus D. Leech <[email protected]> wrote: > On 09/01/2016 10:05 PM, Hasini Abeywickrama wrote: > > Hi Dan, > > I have tried different gain values from 0 to 20. > > On the TX side, the B2xx have about 90dB of gain-control range. > > On the RX side, about 80dB of gain-control range. Assuming these are NOT > directly connected, crank the gains up. > > Start with 40dB on the TX side and 40dB on the RX side. > > > > > On Fri, Sep 2, 2016 at 9:35 AM, Dan CaJacob <[email protected]> wrote: > >> What gain are you using? >> >> On Thu, Sep 1, 2016 at 7:32 PM Hasini Abeywickrama <[email protected]> >> wrote: >> >>> Hi Derek, >>> >>> Thank you for suggesting the USRP-users mailing list. I will try that >>> too. >>> >>> I have tried a simple waveform too and that is not being received too. >>> Yes the TX LED and the RX LED are lit when the flow graphs are running. >>> >>> I am trying to figure out what the problem might be. Is it necessary to >>> supply power to the USRP B200 when transmitting? >>> >>> Regards, >>> Hasini >>> >>> On Thu, Sep 1, 2016 at 4:49 PM, Derek Kozel <[email protected]> >>> wrote: >>> >>>> Hello Hasini, >>>> >>>> The USRP-users mailing list is an excellent place to ask such questions. >>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >>>> >>>> I do not have experience with the dpsk flowgraphs. Have you verified >>>> that you can see a simple sinewave from one B200 to another? uhd_fft and >>>> uhd_siggen_gui are excellent tools for testing that. When transmitting with >>>> the B200, do you see the TX LED come on and the RX LED on the other one? >>>> >>>> Thanks, >>>> Derek >>>> >>>> On Wed, Aug 31, 2016 at 10:31 PM, Hasini Abeywickrama <[email protected] >>>> > wrote: >>>> >>>>> Hi, >>>>> >>>>> I have a USRP B200 set to transmit a signal (using uhd_tx_dpsk.grc in >>>>> the GNURadio examples) and another USRP B200 receive the signal (using >>>>> uhd_rx_dpsk.grc in the GNURadio examples). But the receiving USRP does not >>>>> receive the signal that is being transmitted by the other USRP, even >>>>> though >>>>> they are placed very close to each other. >>>>> >>>>> If I user a USRP2 as the transmitter the receiver can receive the >>>>> signal without any issue. >>>>> >>>>> Can someone please suggest what might be the problem with this. >>>>> (Please excuse if this is not directly related to GNU Radio) >>>>> >>>>> Cheers >>>>> Hasini >>>>> >>>>> _______________________________________________ >>>>> 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 >>> >> -- >> Very Respectfully, >> >> Dan CaJacob >> > > > > _______________________________________________ > Discuss-gnuradio mailing > [email protected]https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > >
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