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3 cards from this section. Quick, good the night before a test.
What are the three regions of a junction transistor?
Think about the structure of the transistor.
What happens in cut-off mode?
Remember the state of the junctions.
What is the role of the base region in a junction transistor?
Consider how it sits between the emitter and collector.
True or False: In saturation mode, the transistor allows maximum current flow.
What happens in saturation vs. cut-off?
If a transistor has a current gain (β) of 100 and a base current (I_B) of 5 mA, what will be the collector current (I_C)?
Apply the current gain formula!
In a circuit with a BJT transistor operating in cut-off mode, describe the changes that occur when it switches to saturation mode.
Think about the biasing conditions.
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