Overview: Butterworth, Bessel, and Linear Phase filters are used in many signal conditioning applications. But which is best for the job? How does the selection of the filter distort the signal? This article discusses the filter designs, provides performance characteristic curves, and analyzes which design is best in a variety of applications.

The article:

1. Details Butterworth, Bessel, and Linear Phase filter designs.
2. Analyzes each filter’s performance characteristics.
3. Overviews the applications best suited for each filter.

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