The electrical characteristics for semiconductor devices such as transistors and for more complex devices such as operational amplifiers are not built in to the simulator program but are defined in separate library files. These are text files containing .MODEL and .SUBCKT controls. Some libraries have been supplied with SIMetrix but you can obtain others from device manufacturers and other model vendors. You can also create them yourself using a text editor.
This section explains how to use, install and manage parts libraries.
Important: The library and parts management systems described in this chapter work with discrete devices defined using subcircuits and .MODEL statements. It currently does not support process corner selection and process binning used by many models supplied by integrated circuit process foundries. See Using Schematic Editor for CMOS IC Design for details on how to handle such libraries.
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