44.3.1 - Limitations of Common Emitter and Common Source Amplifiers
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Practice Questions
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What is the main limitation faced by cascading common emitter amplifiers?
💡 Hint: Consider how connecting multiple amplifiers can affect signal strength.
What configuration can be used to buffer between two amplifiers?
💡 Hint: Think about solutions that help maintain signal quality.
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Interactive Quizzes
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What is the primary reason for using a buffer between cascaded amplifiers?
💡 Hint: Think about how connecting devices affects their performance.
True or False: The common collector configuration has low input resistance.
💡 Hint: Remember what happens to impedance in transistor configurations.
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Challenge Problems
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Design a circuit that includes a common emitter amplifier followed by a common collector. Analyze how the performance characteristics change in comparison to two cascaded common emitter amplifiers.
💡 Hint: Check the impact of the buffer on signal integrity.
Analyze the frequency response of a cascade of common source amplifiers. Determine how changing input capacitance at the second stage affects the frequency response.
💡 Hint: Consider how capacitance interacts with resistance in a circuit.
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