Virtuoso Schematic Composer User Guide

Creating Symbols

Drawing Circles

To draw a circle, using the symbol editor, do the following:

1.Choose Add – Shape – Circle.

2.Press F3.

The Add Symbol Shape form appears.

3.Set the options to your specifications.

4.Move the pointer into your design window, and click to specify the center of the circle.

5.Move the cursor away from the center point, and click to specify the distance of the radius and complete the circle.

1st point

2nd point

Virtuoso Schematic Composer User Guide

Creating Symbols

Drawing Ellipses

To draw an ellipse, using the symbol editor, do the following:

1.Choose Add – Shape – Ellipse.

2.Press F3.

The Add Symbol Shape form appears.

3.Set the options to your specifications.

4.Move the pointer into your design window and click one point to begin creation of the ellipse.

5.Stretch the ellipse to your specifications and click the second point to complete the ellipse.

1st point

2nd point

Drawing Arcs

To draw an arc, using the symbol editor, do the following:

1.Choose Add – Shape – Arc.

2.Press F3.

Virtuoso Schematic Composer User Guide

Creating Symbols

The Add Symbol Shape form appears.

3.Move the pointer into your design window and specify three points to create an arc.

The example shows two ways to draw an arc.

Virtuoso Schematic Composer User Guide

Creating Symbols

Adding Pins as Graphic Images

By default, the symbol pin that you create using the Add – Pin command in the symbol editor is a graphic image of a symbol master. When you add pins as graphic images of a symbol master, any changes you make to the symbol pin master are not reflected in the graphic images that were previously added from the symbol pin master.

To add a symbol pin using the symbol editor, do the following:

1.Choose Add – Pin.

The Add Pin form appears.

2.In the Pin Names field, type the pin names. Use a space to separate each name.

3.In the Direction cyclic field, choose the pin direction.

4.In the Type cyclic field, choose the pin type.

5.Move the pointer into the cellview and click to place the first pin.