Re: [Discuss-gnuradio] CIC passband compensation
Hi Nirali The function mfilt.cicdecim() is a standard MATLAB function. Check Filter design tool. Regards, Firas Nirali Patel wrote: > > Hi Firas, > > Thanks for your response. In an earlier thread you had posted a matlab > script called usrpddc.m that calculates the overall frequency response of > the usrp rx chain and plots it. This would be very useful to me however, > when I try to run it I find it is missing mfilt.cicdecim() function. If > you still have this and could make it available it will be a great help. > > Thanks > Nirali > > Hi Patel, > > No [CIC non flat response] compensation filter is available. > > Firas > > Nirali Patel wrote: >> >> Hi, >> >> I am trying to understand the USRP receive chain response and referred to >> earlier posts that gave me almost all the information that I needed. >> However, I am unsure whether the HB filter compensates for the passband >> droop that occurs in the CIC. > > > ___ > 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/CIC-passband-compensation-tf4692910.html#a13416448 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
Re: [Discuss-gnuradio] CIC passband compensation
Hi Firas, Thanks for your response. In an earlier thread you had posted a matlab script called usrpddc.m that calculates the overall frequency response of the usrp rx chain and plots it. This would be very useful to me however, when I try to run it I find it is missing mfilt.cicdecim() function. If you still have this and could make it available it will be a great help. Thanks Nirali Hi Patel, No [CIC non flat response] compensation filter is available. Firas Nirali Patel wrote: > > Hi, > > I am trying to understand the USRP receive chain response and referred to > earlier posts that gave me almost all the information that I needed. > However, I am unsure whether the HB filter compensates for the passband > droop that occurs in the CIC. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
Re: [Discuss-gnuradio] CIC passband compensation
Hi Patel, No [CIC non flat response] compensation filter is available. Firas Nirali Patel wrote: > > Hi, > > I am trying to understand the USRP receive chain response and referred to > earlier posts that gave me almost all the information that I needed. > However, I am unsure whether the HB filter compensates for the passband > droop that occurs in the CIC. My understanding of the CIC was that the > frequency response has a sinc like function and is typically followed by a > FIR which compensates for the sinx/x shape in the passband. Does the HB > filter response compensate for the non-flat passband of the CIC? > > Thanks, > Nirali > > > ___ > 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/CIC-passband-compensation-tf4692910.html#a13414559 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
