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HBTs show much better performance compared to their BJT predecessors, but also require enhanced models for reliable circuit design. This talk addresses which enhancements are required and available in state-of-the-art models, namely, accounting for self-heating and bias-dependence of transit-time. Limitations of these models, and thus challenges for future modeling efforts, will also be addressed,...
Power transistors basically consist of a number of active transistors that are mounted in parallel inside the package. High powers require large transistor sizes, which translates into significant physical dimensions. For circuit design, on the other hand, a lumped model is favorable for sake of simulation speed and numerical convergence. This paper addresses questions related to reducing the equivalent...
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