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3 cards from this section. Quick, good the night before a test.
What are the three layers of the BJT?
Think of the acronym 'EBC'.
What is the purpose of the emitter?
What happens at the start of the current flow?
What is the main function of the base in a BJT?
What is the layer's primary role?
True or False: The emitter is reverse-biased in normal operation.
Recalling the biasing conditions can clarify this.
If the base-emitter voltage is increased, describe how the collector current will be affected in a BJT and why.
Think about how the exponential relationship in the current equation relates to the applied voltage.
Given a BJT with specific doping concentrations, calculate the expected multiplication factor for the carrier concentration in the base as the emitter junction is forward-biased.
Relate this to how the forward bias influences carrier flow through the base region.
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