Thanks, I need to be able to do this with the block in Gnu Radio Companion, from the GUI, is that possible?
On Tue, Feb 10, 2015 at 1:59 PM, Marcus Müller <marcus.muel...@ettus.com> wrote: > Hi Jon, > > that documentation can be found in the UHD manual [1] and specifically in > the tune_request_t doxygen [2]. > > Greetings, > Marcus M. > > [1] http://files.ettus.com/manual/page_general.html#general_tuning_rxchain > [2] > http://files.ettus.com/manual/structuhd_1_1tune__request__t.html#af9d2c5fb89c10024b1acae43e88ebe7f > > On 02/10/2015 07:55 PM, Jon West wrote: > > When I transmit a signal at a certain frequency there is a large spike at > what I have set the center frequency of the USRP. My signal does not have > this large spike, because it is the LO of the USRP. We take care of this in > things we write ourselves, but I can't find the documentation to do it for > the GRC block. Here is the code I would normally use to tune the LO to > something else, but still have my signal appear at the center frequency I > would like > > usrp::multi_usrp::sptr u2; > > u2 = usrp::multi_usrp::make(dev_addr_vec[usrpId]); > > ... > > uhd::tune_result_t tune_res; > > // tune with lo offset > offset_freq_Hz = usrpConfig->rx_lo_offset_MHz * 1e6; > uhd::tune_request_t tune_req(usrpConfig->rx_freq_Hz, offset_freq_Hz); > > tune_res = u2->set_rx_freq(tune_req); > > On Mon, Feb 9, 2015 at 1:13 PM, Marcus D. Leech <mle...@ripnet.com> wrote: > >> On 02/09/2015 11:53 AM, Jon West wrote: >> >> Is there a setting to move the USRP LO in the SINK block? Not in code, in >> the block, I'm am integrating another developers system and need to use the >> GRC block >> >> >> _______________________________________________ >> Discuss-gnuradio mailing >> listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> I'm afraid you're going to have to expand on what you mean by the >> above. >> >> >> >> -- >> Marcus Leech >> Principal Investigator >> Shirleys Bay Radio Astronomy Consortiumhttp://www.sbrac.org >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > > > _______________________________________________ > Discuss-gnuradio mailing > listDiscuss-gnuradio@gnu.orghttps://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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