On Oct 7, 12:52=A0pm, Eric Jacobsen <eric.jacob...@[EMAIL PROTECTED]
> wrote:
> On Tue, 7 Oct 2008 09:29:03 -0700 (PDT), John <sampson...@[EMAIL PROTECTED]
>
> wrote:
>
>
>
> >On Oct 7, 10:13=A0am, move <liubeny...@[EMAIL PROTECTED]
> wrote:
> >> Hi all:
>
> >> I want to implemnt the filter spec below using CIC + CICCOMP filter
>
> >> FS=3D5MHz, fp=3D9k, fst=3D10k, ap=3D0.1, ast=3D100, decimator=3D100
>
> >> I am using a Differential delay=3D50 and Number of sections=3D5 CIC
fi=
lter
> >> and cascading a ciccomp filter which provide an extra 2 decimator.
but
> >> the cic compensate filter
>
> >> fs=3D100k, fp=3D9k, fst=3D10k,ap=3D0.1,ast=3D100 D=3D2
>
> >> will take 404 taps to implement using equiripple method, the taps is
> >> too long for input data block which is only 200 samples a frame, so
> >> before next frame is coming, the filter is still full of unprocessed
> >> last frame data, this will cause the output of nextframe filter in-
> >> accurate.
>
> >> any suggestions?
>
> >> savor
>
> >I am at the liquor store to buy some gin. I really like Tanqueray, but
> >I only have enough money for Gordon's. What should I do?
>
> >John
>
> Fat Tire.
>
> Eric Jacobsen
> Minister of Algorithms
> Abineau Communicationshttp://www.ericjacobsen.org
>
> Blog:http://www.dsprelated.com/blogs-1/hf/Eric_Jacobsen.php
Oh you are making me thirsty now, and we're way off topic (my fault).
Fat Tire's an excellent choice. I am an IPA drinker. Some favorites:
http://www.greenflashbrew.com/taproom.html
http://www.southerntierbrewing.com/pages/beers.html
John


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