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2 cards from this section. Quick, good the night before a test.
Define a cascode amplifier.
Think about the structure of the circuit.
What is the formula for collector current in terms of base current?
β is the transistor's current gain.
What is the typical function of a cascode amplifier?
Consider the advantages of multi-stage amplifiers.
True or False: The collector current is influenced by the base current and the transistor's beta.
Review the relationship between different currents in a transistor.
Given a BJT cascode amplifier with a supply voltage of 15 V, β for the first transistor is 150, and a load resistance of 2 kΩ, calculate its output voltage if the input voltage is 0.5 V and β for the second transistor is 180.
Start by finding I_C for both transistors first.
Discuss implications of increasing the Early voltage in a cascode amplifier—how would it alter performance metrics?
Think about how output behavior changes with variations in supply voltage.
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