Complete PCB Design Using OrCad Capture and Layout

Chapter 7: Making and Editing Capture Parts

Capture provides many libraries of parts that you can use to build your schematic, perform simulations, and generate PCB layouts. However, you will need to make your own parts at some point. There are a couple of ways of working with the part libraries. You can build custom parts and save them to existing or new libraries, or modify existing parts and save them to a library, or modify and save parts to just a specific project. Whether you decide to build custom parts or modify existing ones, you need to know about the libraries, the different ways of making parts, how different parts are packaged, what types of pins to use with different parts, and how to connect them properly for board layout and simulation purposes.

The Capture Part Libraries

In the full version of Capture there are 141 parts libraries in the Capture libraries, with 108 PSpice libraries and 34 libraries in the main Capture library, and each library contains many parts. As mentioned in Chap. 2, there are two parts libraries that are supplied with the software, both of which are located in the Capture folder. One type of parts and a PSpice folder are located inside the Capture Library folder. The parts located immediately inside the Capture Library folder are schematic parts that do not have footprints or PSpice models associated with them, but the parts located in Capture s PSpice folder have PSpice models and footprints associated with them. For the purpose...

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