Optimizing Model Precision in High Temperatures for Efficient Analog and Mixed-Signal Circuit Design Using Modern Behavioral Modeling Technique: An Industrial Case Study
2015
This chapter deals with the description of a modeling methodology dedicated to simulation of AMS circuits in high temperatures (HT). A behavioral model of an op-amp is developed using VHDL-AMS in order to remedy the inaccuracy of the SPICE model. The precision of the model simulation in HT was improved thanks to the VHDL-AMS model. Almost all known op-amp parameters were inserted into the model, which was developed manually. Future work can automate the generation of such a behavioral model to describe the interdependency between different parameters. This is possible by using modern computational intelligence techniques, such as genetic algorithms, or other techniques such as Petri nets or model order reduction.
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