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4 cards from this section. Quick, good the night before a test.
What are the two main types of bipolar junction transistors?
Think about the arrangement of the layers.
What does forward bias mean?
Consider the direction of current flow.
What type of biasing is required for the base-emitter junction of a p-n-p transistor?
Think about which direction the current needs to flow.
In an n-p-n transistor, if I_B = 10µA and I_C is expected to be 1mA, what can you deduce about β?
Use the relationship between collector current and base current.
A p-n-p transistor is used where V_EB = 0.8V and V_EC = 3V. Calculate what will happen if V_EC continues to increase. Consider the possible effects on current.
Think about the implications of V_EC in controlling I_C.
Design a circuit using a bipolar junction transistor to act as a switch. Specify the biasing conditions needed for proper operation.
Recall the biasing requirements for active region operation.
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