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2 cards from this section. Quick, good the night before a test.
What is the function of the base-emitter junction in a BJT?
Think about where the current enters the transistor.
Define minority carrier.
Consider their relation to majority carriers.
What occurs at the base-emitter junction during normal operation?
Consider the current entry point into the BJT.
True or False: The reverse current in a BJT is mainly due to the movement of majority carriers.
Focus on the definitions of minority and majority carriers.
Given a BJT with a collector current of 0.1 mA under reverse bias at room temperature, calculate the expected reverse saturation current assuming a strong bias.
Use the basic relationship between current, bias, and physical properties of the transistor.
Explain why BJTs become less efficient at high temperatures when operating with a reverse bias condition.
Consider the relationship between temperature and semiconductor physics.
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