Chapter 6

Digital Filter Structures and Their Implementation

Lars Wanhammar* and Ya Jun Yu,    *Department of Electrical Engineering, Linköping University, Sweden,    School of Electrical & Electronic Engineering, Nanyang Technological University, Singapore, larsw@isy.liu.se, eleyuyj@pmail.ntu.edu.sg

Abstract

In this chapter we discuss some important issues regarding the design, selection of filter structure, and implementation of FIR and IIR digital filters. First we discuss some basic properties of digital filters and our design target. Next, we discuss the design of FIR and IIR filters as well as common FIR structures. Low-sensitive IIR filter structures are based on their analog counterparts. Hence, we first discuss the corresponding analog ...

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