62.2.6 - Voltage Gain and Output Impedance
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Practice Questions
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Describe what a cascode amplifier consists of.
💡 Hint: Think about the stages of amplification.
What happens to the voltage gain when using a cascode configuration?
💡 Hint: Consider how cascading affects overall gain.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary benefit of using a cascode amplifier?
💡 Hint: Think about the configuration's effects on gain.
True or False: The output impedance of a cascode amplifier is lower than that of a single stage amplifier.
💡 Hint: Consider what happens to impedance in cascaded circuits.
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Challenge Problems
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Design a cascode amplifier with an overall gain of 50 while ensuring output impedance is high. Specify the MOSFET parameters and biasing conditions to achieve this.
💡 Hint: Consider the interplay between gain and biasing conditions.
Given a cascode amplifier configuration, calculate the maximum useful input voltage if the output impedance is known and if the next stage has a specified input impedance.
💡 Hint: Ensure to incorporate both the voltage gains and any relevant load conditions.
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