Cadence Spectre Model Library Tutorial

Cadence Spectre Model Library Tutorial - Notice that the...

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Cadence Spectre Model Library Tutorial Step 1: Edit cds.lib file Recall Lab 1 early in the semester. To setup Cadence to the specific model library, you need to define or include the available model library. There are two level of “cds.lib” files set up, one in your home folder, another in your specific folder, i.e. EE330. Here are the simplified steps 1. Open up the Linux terminal. 2. Goto your specified lab folder, i.e. EE330 or as you ve defined in lab. 3. Type gedit cds.lib in the terminal. 4. Keep everything that s in there and add the following line: INCLUDE /remote/cadencelib/pdk180/gpdk180_v3.2/cds.lib 5. Launch Cadence Virtuoso. 6. In the Library column, you should see gpdk180 library
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7. For illustrations, a simple BJT circuit is made.
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Unformatted text preview: Notice that the npn BJT has the properties shown. 8. To define or analyze the Spectre model of the BJT, open up the Analog Design Environment. 9. Goto Setup -> Model Libraries to add/remove/edit the Model Library files. 10. Note that the included model library files are read-only. But you can copy the parameters out and paste them to a new .scs file of your need. The syntax in the model file for Spectre is fairly simple to read. simulator lang=spectre : This model is defined for Spectre simulator. library/endlibrary gpdk : Library name section/endsection bjt : Define section for the BJT model. Note that you can have multiple sections in one scs file....
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This document was uploaded on 01/31/2012.

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Cadence Spectre Model Library Tutorial - Notice that the...

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