High Frequency Transistor Tutorials

AI Thread Summary
HEMT transistors, or High Electron Mobility Transistors, are characterized by their use of a two-dimensional electron gas, which enhances their performance. Understanding the different types of HEMT and their specific applications is crucial for effective use. A comprehensive tutorial can provide insights into their functionality and practical applications. Resources like Wikipedia offer foundational knowledge but may lack detailed tutorials. Seeking specialized guides or academic papers can further clarify HEMT technology.
baby_1
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Hello
As I read all the above links of Wikipedia about HEMT I have many problems to know better about these kinds of transistor.could you introduce me a good tutorial about HEMT transistors?
Thanks
 
What do you want to do with them? There are different types of HEMT and the Wikipedia page explains their different applications. The common feature is the two-dimensional electron gas.
 
Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

So here is the motional EMF formula. Now I understand the standard Faraday paradox that an axis symmetric field source (like a speaker motor ring magnet) has a magnetic field that is frame invariant under rotation around axis of symmetry. The field is static whether you rotate the magnet or not. So far so good. What puzzles me is this , there is a term average magnetic flux or "azimuthal mean" , this term describes the average magnetic field through the area swept by the rotating Faraday...
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