61.6.4 - Cascode Circuit Description
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 two configurations make up a cascode amplifier?
💡 Hint: Consider the names of the two transistor stages.
Why is biasing necessary in transistor circuits?
💡 Hint: Think about preventing undesirable operational conditions.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of a cascode amplifier?
💡 Hint: Focus on the benefits of using both transistor stages.
True or False: The common base stage has a high input impedance.
💡 Hint: Consider how input and output impedances relate to different configurations.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Design a cascode amplifier circuit diagram using BJTs, ensuring to show biasing arrangements and label the expected voltage gains.
💡 Hint: Consider how to set up biasing to maintain both transistors in the active region.
Given a circuit of a cascode amplifier, derive the expression for the voltage gain in terms of transistor parameters.
💡 Hint: Reflect on small-signal models and consider the relationship between input and output impedances.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.