64.2.1 - Bandwidth Extension
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
Define bandwidth.
💡 Hint: Think of how different signals travel through a circuit.
What does a cascode amplifier do?
💡 Hint: Consider its structure and functionality.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of a cascode amplifier?
💡 Hint: Think about what characteristics we want to optimize in an amplifier.
True or False: The Miller effect decreases the input capacitance in amplifiers.
💡 Hint: Review how gain affects capacitance.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Using a cascode amplifier design with a given transistor configuration, calculate the expected gain and input capacitance when switching the load resistance from 5 kΩ to 50 kΩ.
💡 Hint: Use the relationship that gain = voltage output per voltage input.
Design a scenario where the cascode amplifier's performance is critically beneficial over a regular CE amplifier in a high-frequency RF application.
💡 Hint: Consider factors like output resistance, frequency response, and bandwidth.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.