63.6.2 - Input Capacitance Calculation
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Practice Questions
Test your understanding with targeted questions
What is the formula for calculating input capacitance?
💡 Hint: Consider the different capacitance components and how they combine.
Define transconductance.
💡 Hint: What is it indicative of in a circuit?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does input capacitance affect in an amplifier?
💡 Hint: Consider both aspects of performance metrics.
True or False: The gain of a cascode amplifier is generally lower than that of a common emitter amplifier.
💡 Hint: Reflect on the advantages of cascode designs.
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Challenge Problems
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Design a cascode amplifier with a bias current of 5 mA. Calculate the input capacitance given specific transistor parameters.
💡 Hint: Ensure you take into account the voltage gain ratios accurately.
Evaluate the implications of increasing transistor β on input capacitance and system bandwidth.
💡 Hint: Focus on how gain interactions and capacitance values respond to the changes in bias settings.
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