IIR filter architectures

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1 total messages Started by Maranatha Chung Wed, 14 Oct 1992 20:14

#1338

Author: Maranatha Chung
Date: Wed, 14 Oct 1992 20:14

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I have some questions about the difference among various IIR filter 
architectures. The architectures concerned are: DIRECT-II, CASCADE,
PARALLEL, NORMAL, WAVE, LADDER.

1) Is there a difference in frequency response?

2) How about speed?

3) arithmetic roundoff error?

4) coefficient roundoff error?

5) Which is the most popular? And how are they being used?

Answers for one or more of these questions will be greatly appreciated.
Private mail welcomed at mchung@ee.tamu.edu

Thanks in advance.
Maranatha

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