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Analog and Digital Filter Design, Second Edition

This book is about analog and digital filter design. The analog sections include both passive and active filter designs, a subject that has fascinated me for several years. Included in the analog section are filter designs specifically aimed at radio frequency engineers, such as impedance matching networks and quadrature phase all-pass networks. The digital sections include infinite impulse response (IIR) and finite impulse response (FIR) filter design, which are now quite commonly used with digital signal processors. Infinite impulse response filters are based on analog filter designs. Detailed circuit theory and mathematical derivations are not included, because this book is intended to be an aid in practical filter design by engineers. The circuit theory and mathematical material that is included is of an introductory nature only. Those who are more academically minded will find much of the
information useful as an introduction. A more in-depth study of filter theory can be found in academic books referred to in the bibliography. Equations and supplementary material are included in the Appendix.
Designing filters requires the use of mathematics. Fortunately, it is possible to successfully design filters with very little theoretical and mathematical knowledge. In fact, for passive analog filter design the mathematics can be limited to simple multiplication and division by the use of look-up tables. The design of active analog filters is slightly more ditlicult, requiring both arithmetic and algebra combined with look-up tables. The equations behind many of the lookup tables are included in the Appendix.
Digital FIR filters perform their function by first passing a digitized signal through a series of discrete delay elements and then multiplying the output of each delay element by a number (or coefficient). The values produced from all the multiplication functions at each clock period are then added together to give an output. Hence digital filter designs do not produce component values.
Instead, they produce a series of numbers (coefficients) that are used by the multiplication
functions. There are no design tables; the series of coefficients is produced by an algebraic equation, so the designer must be familiar with arithmetic and algebra in order to produce these coefficients.

Review
...an aid to practical filter design by engineers. -Microwave Journal, 2003

Book Description
The original classic on filter deisgn, completely revised and updated to include information on both digital and analog filter design.

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Product Details

* Paperback: 450 pages
* Publisher: Newnes; 2 edition (October 11, 2002)
* Language: English
* ISBN-10: 0750675470
* ISBN-13: 978-0750675475




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