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Re: The taps of ciccomp filters are too long, any solution?

by John <sampson164@[EMAIL PROTECTED] > Oct 7, 2008 at 09:29 AM

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
filte=
r
> 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
 




 13 Posts in Topic:
The taps of ciccomp filters are too long, any solution?
move <liubenyuan@[EMAI  2008-10-07 07:13:45 
Re: The taps of ciccomp filters are too long, any solution?
John <sampson164@[EMAI  2008-10-07 09:29:03 
Re: The taps of ciccomp filters are too long, any solution?
Eric Jacobsen <eric.ja  2008-10-07 09:52:15 
Re: The taps of ciccomp filters are too long, any solution?
Jerry Avins <jya@[EMAI  2008-10-08 10:17:58 
Re: The taps of ciccomp filters are too long, any solution?
John <sampson164@[EMAI  2008-10-07 10:23:47 
Re: The taps of ciccomp filters are too long, any solution?
Rick Lyons <R.Lyons@[E  2008-10-11 06:05:32 
Re: The taps of ciccomp filters are too long, any solution?
cs_posting@[EMAIL PROTECT  2008-10-08 14:38:32 
Re: The taps of ciccomp filters are too long, any solution?
move <liubenyuan@[EMAI  2008-10-08 16:47:10 
Re: The taps of ciccomp filters are too long, any solution?
cs_posting@[EMAIL PROTECT  2008-10-08 18:16:56 
Re: The taps of ciccomp filters are too long, any solution?
Rick Lyons <R.Lyons@[E  2008-10-11 14:03:55 
Re: The taps of ciccomp filters are too long, any solution?
Jerry Avins <jya@[EMAI  2008-10-11 17:41:18 
Re: The taps of ciccomp filters are too long, any solution?
move <liubenyuan@[EMAI  2008-10-12 04:03:21 
Re: The taps of ciccomp filters are too long, any solution?
move <liubenyuan@[EMAI  2008-10-12 04:09:30 

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