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2 cards from this section. Quick, good the night before a test.
What are the three main components of a BJT?
Think about the basic structure of the transistor.
What happens to the base-emitter junction under normal operating conditions?
Consider the direction of voltage applied.
What type of bias occurs at the base-emitter junction during normal operation?
Consider the necessary conditions for current flow.
Is the collector junction typically forward biased during normal operation?
Think about the controlling conditions in the BJT circuit.
Given a certain base current, calculate the expected collector current using the BJT current gain (β). If the base current is 20 µA and β is 100, what is the collector current?
Recall the collector current calculation formula based on the base current and transistor gain.
A BJT is connected in a circuit where the base-emitter voltage is 0.7V. Determine if this is in forward or reverse bias and justify your answer.
Consider the typical threshold voltage for silicon-based BJTs.
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