TFilter, the free online FIR filter design tool - Free online IIR Filter Design Tool, Filter Testbench, FFT library and scripting environment at http://almafa.org/docs/iir.html. For more information visit http://almafa.org/. | Facebook
Introduction to IIR Filters - Circuit Cellar
FIR Filter tools
IIR Filter - MATLAB & Simulink - MathWorks 中国
Digital IIR Filter Design Showing Poles and Zeros - Wolfram Demonstrations Project
4 Block Diagram of a IIR Filter. | Download Scientific Diagram
ScopeFIR: FIR Filter Design Software - Iowegian International
WinFilter
IIR Filter Design Procedure - YouTube
Design Methods (Digital Filter Design Toolkit) - NI
Online Help for Digital Filter Analyzer
An Astounding Digital Filter Design Application - Rick Lyons
Classical IIR filter design: a practical guide - ASN Home
Digital filter design and analysis - LabDeck
IIR Filter Types - NI
Digital filter design - Introduction - GaussianWaves
Design and implement digital FIR and IIR filters - Simulink