Signal Processing Toolbox

Opening the Filter Designer

Open the Filter Designer from SPTool by either:

• Pressing the New button in the Filters list in SPTool
• Selecting a filter you want to edit from the Filters list in SPTool, and then pressing the Edit button

  

The Filter Designer has the following components:

• A pull-down Filter menu for selecting a filter from the list in SPTool
• A Sampling Frequency text box
• A pull-down Algorithm menu for selecting a filter design method or a pole-zero plot display
• A Specifications area for viewing or modifying a filter's design parameters or pole-zero locations
• A plot display region for graphically adjusting filter magnitude responses or the pole-zero locations
• A Measurements area for viewing the response characteristics and stability of the current filter
• A toolbar with the following buttons
  
  

  	Print and print preview
  	Zoom in and out
  	Passband view
  	Overlay spectrum
  	Turn on the What's This help

Filter Designer

Filter Viewer