Because of the role of the digital computer in the design and analysis of electronic systems, it is becoming increasingly desirable to have suitable computer aided analysis models of semiconductor devices at the time these devices are available for experimental development. This paper describes the development of such computer aided design/analysis (CAD/A) models. The procedures described can be used to develop models based on statistically significant populations of devices. The statistical procedures for selecting devices to be tested, the testing procedures, and the computer codes used for reducing data are described. Examples of computer output and a complete CAD/A model derived using the procedure are included for a sample device.
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