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what is cut off freq and break down freq in a BJT

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liuzhili

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What's its definition?
thanks
 

flatulent

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several

Alpha cutoff is when alpha drops by 0.707

F sub t is the projection of the gain-frequency graph plot to the frequency where the gain is 1 (0dB).
 

House_Cat

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For a discussion of cutoff frequency, look at:

**broken link removed**

For a discussion of breakdown, look at:

**broken link removed**
 

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