44.3.2 - Effect of Cascading on Signal
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Practice Questions
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What happens when two common emitter amplifiers are cascaded?
💡 Hint: Think about the input and output resistances.
Why do we use buffer circuits?
💡 Hint: Consider the interaction between two amplifier stages.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a common collector configuration?
💡 Hint: Remember the device type associated with each configuration.
True or False: A common drain configuration has a voltage gain significantly less than one.
💡 Hint: Think about the properties of a buffer.
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Challenge Problems
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Design a circuit using a common collector amplifier as a buffer between two cascaded common emitter amplifiers and analyze its effect on voltage gain.
💡 Hint: Consider the input-output relationship and resistances involved.
Analyze a given circuit with a common drain MOSFET configuration and derive the expressions for voltage gain and output resistance.
💡 Hint: Utilize the small signal model effectively.
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