Step 1: Create a New Block Design File

In this step you create a new BDF called filtref.bdf. This file is the top-level design entity of the fir_filter project.

To create a new BDF, follow these steps:

1. Choose New (File menu). The Device Design Files tab of the New dialog box appears automatically.

2. Select Block Diagram/Schematic File.

3. Click OK. A new Block Editor window opens.

4. Choose Save As (File menu). The Save As dialog box appears.

5. Select the folder where you want to save the BDF. The Save As dialog box should automatically display the project directory name, d:\qdesigns\fir_filter, as the directory for saving the file.

6. In the File name box, type filtref as the name, if necessary.

7. Make sure Add file to current project is turned on.

8. To save the file and add it to the project, click Save.