On 07/08/2012 08:52 AM, Michael Hill wrote: > Hi All, > > I've toyed around a fair bit with the UHD_sink parameters for the target > Centre Frequency, and in particular using the request command to set the > centre freq and the LO Offset. > But i can't seem to see any impact from the LO offset! > > E.g. > IF = 5 MHz > Target RF = 100MHz > LO thus would equal 95MHz. > > But if I want to get a target RF of 100MHz with an LO of 105MHz.. how do I > do this? > Is the LO offset = 5 MHz, or do I state 105MHz? >
You can read more here: http://files.ettus.com/uhd_docs/manual/html/general.html#tuning-notes http://files.ettus.com/uhd_docs/doxygen/html/structuhd_1_1tune__request__t.html Be careful, XCVR2450 has a shared LO. If you have a source and sink block, the tune from one block can "stomp" on the other. Also: http://files.ettus.com/uhd_docs/manual/html/dboards.html#xcvr-2450 -josh _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
