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
An Astounding Digital Filter Design Application - Rick Lyons
Digital IIR Filter Design Showing Poles and Zeros - Wolfram Demonstrations Project
Digital filter design - Introduction - GaussianWaves
Digital filter design and analysis - LabDeck
IIR Filter Design - EEEGUIDE.COM
Help Online - Origin Help - Algorithms (IIR Filters)
FIR Filter tools
Difference between IIR and FIR filters: a practical design guide - ASN Home
Designing Digital Filters with MATLAB - YouTube
FIR Filter tools
ScopeFIR: FIR Filter Design Software - Iowegian International
Introduction to IIR Filters - Circuit Cellar
Design Methods (Digital Filter Design Toolkit) - NI
Classical IIR filter design: a practical guide - ASN Home
introduction-iir-filter - MIKROE
IIR Filter - MATLAB & Simulink - MathWorks 中国
FIR Filter tools
Applying digital filters in Python - Samuel Pröll - Homepage
How to calculate a first order IIR filter in 5 minutes - Monocilindro Blog: Motorcycles and Electronics
WinFilter
Design and implement digital FIR and IIR filters - Simulink
IIR Filter Types - NI
Introduction to Filter Designer - MATLAB & Simulink Example