Hello Maria: Note that the maximum safe input power for the B200/B210 is 0 dBm, so definitely use a 30 dB attenuator, as Ian suggested. The transmit side can output as high as +18 dBm, so it can damage the receive side.
--Neel Pandeya On 9 May 2018 at 09:28, Ian Buckley <i...@ionconcepts.com> wrote: > …..but you *must* use an attenuator if you cable a TX port directly back > to an RX port otherwise you will damage the H/W > (30dB is a good safe default value to start with) > > On May 9, 2018, at 8:20 AM, Derek Kozel <derek.ko...@ettus.com> wrote: > > Hello Maria, > > Yes, exactly what you describe will work. > > Regards, > Derek > > On Wed, May 9, 2018 at 3:57 PM, Maria <mariaj.sanche...@gmail.com> wrote: > >> Hi all, >> >> I wanted to ask if it is possible to use the software GNU radio to >> configure an USRP (B210) to transmit whatever signal it receives from the >> laptop back to the laptop (by using two different ports connected to each >> other, tx and rx). For example, creating a random signal in GNU, sending it >> to the USRP sink module and then using an USRP source module to transmit >> the signal received in the sink one back to GNU (laptop). >> >> Thank you very much in advance. >> >> Cheers! >> >> Maria Jesus >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://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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