# Selecting a Digital Filter Design

Answer the following questions to select a filter for an application:

- Does the analysis require a linear-phase response?
- Can the analysis tolerate ripples?
- Does the analysis require a narrow transition band?

Use the following figure as a guideline for selecting the appropriate filter for an analysis application.

The previous figure can provide guidance for selecting an appropriate filter type. However, you might need to experiment with several filter types to find the best type.