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CAD techniques for PCB design tutorial

Modules

1. The PCB Layout design flow
2. Starting a PCB project
3. The Layout design environment
4. Setting up the virtual board
5. Creating and editing obstacles
6. Working with footprints and components
7. CAD procedures for placing and routing

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Copper Pour Preferences

Enable Copper Pour

Enables copper pour drawing and refreshing. You must select this option in order to select the Use Fast Fill Mode option or the Use Pours for Connectivity option.

Use Fast Fill Mode

Reduces the drawing time for copper pour by using a simple pattern to represent copper pour on your screen. This option only affects the display of the copper pour on the screen. It does not accelerate the actual pour process.

Use Pours for Connectivity

Layout considers connections to be routed when they exist in a copper pour, provided that the copper pour is common to the same net as the pins.

Miscellaneous Preferences

Show Tooltips Displays tool descriptions as you pass your cursor over the toolbar buttons. It also enables the use of pop-up dialog boxes as error indicators. If you do not select this option, Layout uses beeps to indicate errors and displays the errors in the status bar.

Activate AutoTool Select Mode

Enables you to select an object without having to choose the appropriate tool first.

Minimum Track Width to Display

Reduces the redraw time for wide tracks by using a minimum width to represent the tracks. Layout draws tracks wider than this setting as actual size, and draws all other tracks as a single pixel line.

Save User Preferences

Save User Preferences Button

Saves the user preferences settings in your local directory. Future Layout sessions use the saved settings.

1. The PCB Layout design flow
2. Starting a PCB project
3. The Layout design environment
4. Setting up the virtual board
5. Creating and editing obstacles
6. Working with footprints and components
7. CAD procedures for placing and routing

pages: previous | 1 2 3 4 5 6 7 [8]

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