题目内容
As frequency needs, power capacity, and low noise performance requirements,the high electron mobility transistor ______ fabricated from ______ .
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The two breakdown mechanisms in bipolar transistor are ______ and ______ .
Considering the Hybrid-Pi Model in bipolar transistor, the gain is a function of the input signal frequency.( )
Because of the bandgap narrowing, the emitter injection efficiency and the current gain both decrease.( )
To avoid the current crowding effect, powder transistors are usually designed with narrow emitter widths and fabricated with an interdigitated design.( )
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