Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What two configurations make up a cascode amplifier?
π‘ Hint: Consider the names of the two transistor stages.
Question 2
Easy
Why is biasing necessary in transistor circuits?
π‘ Hint: Think about preventing undesirable operational conditions.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary function of a cascode amplifier?
π‘ Hint: Focus on the benefits of using both transistor stages.
Question 2
True or False: The common base stage has a high input impedance.
π‘ Hint: Consider how input and output impedances relate to different configurations.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
Design a cascode amplifier circuit diagram using BJTs, ensuring to show biasing arrangements and label the expected voltage gains.
π‘ Hint: Consider how to set up biasing to maintain both transistors in the active region.
Question 2
Given a circuit of a cascode amplifier, derive the expression for the voltage gain in terms of transistor parameters.
π‘ Hint: Reflect on small-signal models and consider the relationship between input and output impedances.
Challenge and get performance evaluation