63.7.2 - Input Capacitance Impact on Bandwidth
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 main advantage of using a cascode amplifier?
💡 Hint: Think about frequency response.
What does input capacitance affect?
💡 Hint: Consider its role in frequency response.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary benefit of using a cascode amplifier?
💡 Hint: Think about how design affects frequency.
True or False: Input capacitance decreases the upper cutoff frequency of an amplifier.
💡 Hint: Visualize how capacitance affects frequency response.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Explain the impact of increasing input capacitance on the bandwidth of a cascode amplifier in comparison to a common-emitter amplifier. What precautions would you take to maximize performance?
💡 Hint: Think about the inverse relationship between capacitance and bandwidth.
For a cascode amplifier where the total input capacitance is 20 pF, and output resistance is 50 kΩ, calculate the cutoff frequency. How can you ensure this frequency meets system requirements?
💡 Hint: Use the formula for frequency cutoff based on RC time constant.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.