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Re: Low pass filter on a PIC

by Randy Yates <yates@[EMAIL PROTECTED] > Oct 10, 2008 at 04:35 PM

"Manfred" <mmornhin@[EMAIL PROTECTED]
> writes:
> [...]

Hi Manfred,

I have the advantage of seeing the other posters' suggestions and
your repsonse, but how about the following:

  y[n] = x[n] - 0.61803 * x[n-1] + x[n-2]

? This is an FIR notch filter with a notch right at 20 Hz. 
The 0.61803 term is 2*cos(0.4*pi).
-- 
%  Randy Yates                  % "She has an IQ of 1001, she has a
jumpsuit
%% Fuquay-Varina, NC            %            on, and she's also a
telephone."
%%% 919-577-9882                % 
%%%% <yates@[EMAIL PROTECTED]
>           %        'Yours Truly, 2095', *Time*, ELO 
 
http://www.digitalsignallabs.com
 




 13 Posts in Topic:
Low pass filter on a PIC
"Manfred" <m  2008-10-09 22:19:19 
Re: Low pass filter on a PIC
Tim Wescott <tim@[EMAI  2008-10-09 21:06:31 
Re: Low pass filter on a PIC
HardySpicer <gyansorov  2008-10-09 21:22:55 
Re: Low pass filter on a PIC
Jerry Avins <jya@[EMAI  2008-10-10 11:13:59 
Re: Low pass filter on a PIC
Scott Seidman <namdies  2008-10-10 12:27:20 
Re: Low pass filter on a PIC
Vladimir Vassilevsky <  2008-10-10 08:54:05 
Re: Low pass filter on a PIC
Jerry Avins <jya@[EMAI  2008-10-10 11:33:04 
Re: Low pass filter on a PIC
Randy Yates <yates@[EM  2008-10-10 16:35:44 
Re: Low pass filter on a PIC
"Manfred" <m  2008-10-10 20:33:40 
Re: Low pass filter on a PIC
Randy Yates <yates@[EM  2008-10-10 22:13:39 
Re: Low pass filter on a PIC
Jerry Avins <jya@[EMAI  2008-10-10 23:39:27 
Re: Low pass filter on a PIC
Randy Yates <yates@[EM  2008-10-11 00:23:53 
Re: Low pass filter on a PIC
Jerry Avins <jya@[EMAI  2008-10-11 14:00:50 

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