62.2.7 - Input Resistance and Capacitance
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the purpose of a cascode amplifier?
💡 Hint: Think about how it combines different amplifier stages.
Define biasing in the context of amplifiers.
💡 Hint: Focus on how it affects performance.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the current gain of a common gate stage in a cascode amplifier?
💡 Hint: Think about how current is transferred through the stages.
True or False: A cascode amplifier can increase input capacitance.
💡 Hint: Remember the impact of voltage gain on capacitance.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a cascode amplifier circuit integrating both biasing sources and output impedance calculations. Explain how you would calculate the required output voltage.
💡 Hint: Refer to gains on both stages and their biasing resistances.
Analyze the trade-offs in bandwidth extension when using cascode amplifiers compared to single-stage amplifiers, illustrating your answer with graphs.
💡 Hint: Consider points where gain starts to drop off on the frequency response graph.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.