Topic: Autodesk
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AutoCAD LT Quick Start Guide
This guide is intended to supply the AutoCAD LT user with a tutorial and reference for
quickly gaining proficiency with the AutoCAD LT software layout tool. Similar to the L-Edit guide,
this guide does not provide an exhaustive reference to all the features of AutoCAD LT ...
Layout-driven design in AutoCAD LT is similar to L-Edit, in that both programs make use of
layers. The Layers button at the top left of the screen opens the Layer Properties Manager, which
allows the user to manage the layers present in the design. There are no pre-formatted layer setups
in AutoCAD LT as there are in L-Edit, and you will need to generate your own layers based on what
masks you want to create for your design. The Layer Properties Manager is shown below with only
the default layer in the design. New layers can be added with the New button. The user will likely
want to change the color of each layer to distinguish it from the rest of the layers in the design. To
change the color of a layer, just click on the colored square for that layer in the Layer Properties
Manager and select a new color.
In the first tutorial, the design of an n-type MOSFET on a p-type substrate is presented. An
NMOS transistor consists of an n-type source and drain regions, a gate terminal, and a substrate
terminal. Remember, a MOSFET is a four terminal device, requiring not only connections to the
Source, Drain, and Gate, but the Substrate as well.
...
Source: www.prism.princeton.edu
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