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2 cards from this section. Quick, good the night before a test.
What two configurations make up a cascode amplifier?
Consider the names of the two transistor stages.
Why is biasing necessary in transistor circuits?
Think about preventing undesirable operational conditions.
What is the primary function of a cascode amplifier?
Focus on the benefits of using both transistor stages.
True or False: The common base stage has a high input impedance.
Consider how input and output impedances relate to different configurations.
Design a cascode amplifier circuit diagram using BJTs, ensuring to show biasing arrangements and label the expected voltage gains.
Consider how to set up biasing to maintain both transistors in the active region.
Given a circuit of a cascode amplifier, derive the expression for the voltage gain in terms of transistor parameters.
Reflect on small-signal models and consider the relationship between input and output impedances.
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