Hi, I am now getting the following plot, when I set my target_freq to 89MHz (another radio station), with center_freq in set_rx_freq() function to -5.75: http://i695.photobucket.com/albums/vv318/ujalaqasim/bell.jpg The decimation rate is 250 and the sampling frequency is at 256ksps. I am getting a bell shape but it is not taking the entire length of the plot. What could be wrong?
On Mon, Jun 1, 2009 at 2:11 AM, Sebastiaan Heunis <sheu...@gmail.com> wrote: > Ujala > > I've never worked with the C++ interface to Gnuradio. I considered > using it a year ago, but was warned not to since a lot of > functionality still lacked at that time. > > You need to tell the TVRX db to mix your signal down from 106.2MHz. > So you have the TVRX db with an IF of 5.75MHz? In that case you will > need to set your DDC to -5.75MHz. This will mix everything down by > 5.75MHz resulting in your signal sitting at DC. You can decimate by > 250 and you should have your FM signal at DC and sampled at 256ksps. > > Sebastiaan >
_______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
