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 > <mailto: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 list >> Discuss-gnuradio@gnu.org <mailto:Discuss-gnuradio@gnu.org> >> https://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 Consortium > http://www.sbrac.org > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org <mailto: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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