✦ LIBER ✦

Digital filter design using spreadsheets

✍ Scribed by Karim Y. Kabalan; Ali El-Hajj

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 397 KB
Volume: 7
Category: Article
ISSN: 1061-3773
DOI: 10.1002/(sici)1099-0542(1999)7:1<9::aid-cae2>3.0.co;2-c

No coin nor oath required. For personal study only.

✦ Synopsis

This article presents a spreadsheet approach to the design of analog and digital Butterworth and Chebyshev filters. Corresponding analog filters are designed; then, bilinear transformation is used to map from the s plane into the z plane. Plots of magnitude and pole locations in the s and z planes of each filter are obtained. Although software packages are available to solve this problem, the spreadsheet solution makes an excellent and effective way of achieving the task in a manner that can be interpreted and thoroughly understood. This approach is only an introduction to the subject, but the topic chosen forms strong links with the rest of the design problems.

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