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Subject: Re: 3 stage filter design

Date: 10/23/02 at 1:48 AM
Posted by: Arun Sharma
E-mail: analog_arun@yahoo.com
Message Posted:

In Reply to: Re: 3 stage filter design posted by John Dunn - Consultant on 10/22/02 at 8:32 PM:

HI John,
Thanks for your response,
Actually i am trying to make 3-pole sallen-key HPF. My transfer function is of chebyshev but my response doesn't come to that of chebyshev. It becomes slusgish.
If I use cascade of two filers ( one signle pole & one 2-pole) I get the true chebyshev response
CAn you help me in understanding that.
-Arun


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