Dear Hans, Attached is the graphs you requested for USRP decimation =250.
Regards, Firas http://www.nabble.com/file/8515/%5B0%201%5DMHz%2C%20decimation%3D250%2C%20CIC%2C%20HBF%2C%20CIC%2BHBF%20Response.JPG [0 1]MHz, decimation=250, CIC, HBF, CIC+HBF Response.JPG http://www.nabble.com/file/8516/%5B0%2032%5DMHz%2C%20decimation%3D250%2C%20USRP%20DDC%20Response.JPG [0 32]MHz, decimation=250, USRP DDC Response.JPG http://www.nabble.com/file/8517/%5B0%201%5DMHz%2C%20decimation%3D250%2C%20USRP%20DDC%20Response.JPG [0 1]MHz, decimation=250, USRP DDC Response.JPG Hans Glitsch wrote: > > Hi, > > Thank you very much for your help. Can you post the output of your matlab > program for 250 total decimation? I would do it myself with your m file, > but I don't have matlab. > > Thanks, > Hans > > > ----- Original Message ----- > From: "Eng. Firas" <[EMAIL PROTECTED]> > To: <Discuss-gnuradio@gnu.org> > Sent: Thursday, May 17, 2007 12:47 PM > Subject: [Discuss-gnuradio] Complete USRP DDC Frequency Response Analysis > > >> >> Dear Friends, >> >> Attached is a complete MATLAB based USRP DDC frequency response Analysis >> figures. The USRP DDC decimation rate was 64. The CIC filter response >> (decimation =32), HBF response (decimation =2) and cascaded CIC + HBF >> (total >> decimation =64) response figures are attached. The MatLab source file >> used >> in this analysis is also attached. >> I hope this is a useful work. >> >> Regards, >> >> Firas, >> >> http://www.nabble.com/file/8500/%280%20-%2032%29MHz%29%20CIC%20Frequency%20Response%20%28CIC%20decimation%20%3D32%29.JPG >> (0 - 32)MHz) CIC Frequency Response (CIC decimation =32).JPG >> http://www.nabble.com/file/8501/%280%20-%202%29MHz%29%20CIC%20Frequency%20Response%20%28decimation%20%3D32%29.JPG >> (0 - 2)MHz) CIC Frequency Response (decimation =32).JPG >> http://www.nabble.com/file/8502/Useful%20Band%20%280%20-%201%29MHz%29%20%20HBF%20Frequency%20Response.JPG >> Useful Band (0 - 1)MHz) HBF Frequency Response.JPG >> http://www.nabble.com/file/8503/Useful%20Band%20%280%20-%201%29MHz%29%20CIC%20%2B%20HBF%20Frequency%20Response%20%28decimation%20%3D64%29.JPG >> Useful Band (0 - 1)MHz) CIC + HBF Frequency Response (decimation =64).JPG >> http://www.nabble.com/file/8504/Full%20Band%20%280%20-%2032%29MHz%29%20USRP%20DDC%20Frequency%20Response%20%28decimation%20%3D64%29.JPG >> Full Band (0 - 32)MHz) USRP DDC Frequency Response (decimation =64).JPG >> http://www.nabble.com/file/8505/Useful%20Band%20%280%20-%201%29MHz%29%20USRP%20DDC%20Frequency%20Response%20%28decimation%20%3D64%29.JPG >> Useful Band (0 - 1)MHz) USRP DDC Frequency Response (decimation =64).JPG >> The MATLAB m File used to generate the above figures:- >> http://www.nabble.com/file/8506/usrpddc.m usrpddc.m >> >> -- >> View this message in context: >> http://www.nabble.com/Complete-USRP-DDC-Frequency-Response-Analysis-tf3773947.html#a10671057 >> Sent from the GnuRadio mailing list archive at Nabble.com. >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> >> -- >> No virus found in this incoming message. >> Checked by AVG Free Edition. >> Version: 7.5.467 / Virus Database: 269.7.1/807 - Release Date: 5/16/2007 >> 6:05 PM >> >> > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > -- View this message in context: http://www.nabble.com/Complete-USRP-DDC-Frequency-Response-Analysis-tf3773947.html#a10676455 Sent from the GnuRadio mailing list archive at Nabble.com. _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio