Practice Cascode Circuit Description - 61.6.4 | 61. Multi-Transistor Amplifiers: Cascode Amplifier (Part A) | Analog Electronic Circuits - Vol 3
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What two configurations make up a cascode amplifier?

πŸ’‘ Hint: Consider the names of the two transistor stages.

Question 2

Easy

Why is biasing necessary in transistor circuits?

πŸ’‘ Hint: Think about preventing undesirable operational conditions.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

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?

  • To amplify current only
  • To enhance voltage gain
  • To decrease output impedance
  • To combine multiple signal types

πŸ’‘ Hint: Focus on the benefits of using both transistor stages.

Question 2

True or False: The common base stage has a high input impedance.

  • True
  • False

πŸ’‘ Hint: Consider how input and output impedances relate to different configurations.

Solve and get performance evaluation

Challenge Problems

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.

πŸ’‘ 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.

πŸ’‘ Hint: Reflect on small-signal models and consider the relationship between input and output impedances.

Challenge and get performance evaluation