On Wed, May 16, 2007 at 04:00:24PM -0700, Hans Glitsch wrote: > Hello, > > What is the stop band of the FPGA CIC filter? How do I figure out the > attenuation at a given frequency outside my bandwidth? > > I'm decimating by 250. > > Thanks, > Hans
It's a fourth order CIC. See http://users.snip.net/~donadio/cic.pdf for the transfer function. Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio