Practice Active Devices for Enhanced Performance - 75.5.3 | 75. Differential Amplifier : Basic Structure and Principle of Operation | Analog Electronic Circuits - Vol 3
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does a differential amplifier amplify?

πŸ’‘ Hint: Think about what is fed into the amplifier.

Question 2

Easy

Name one type of active device used in differential amplifiers.

πŸ’‘ Hint: Consider the components that can control current or voltage.

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 differential amplifier?

  • To amplify a single input signal
  • To amplify the difference between two input signals
  • To reduce signal noise

πŸ’‘ Hint: Remember what we discussed at the beginning about amplification.

Question 2

True or False: Differential mode gain should be as low as possible in a well-functioning amplifier.

  • True
  • False

πŸ’‘ Hint: Think about the goals of an amplifier.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A differential amplifier has a differential mode gain of 25 and a common mode gain of 2. If both inputs receive a common signal of 1V, what will the outputs be?

πŸ’‘ Hint: Use A_d and A_c in conjunction with the input signals.

Question 2

Design a conceptual circuit diagram for a differential amplifier using BJTs. Describe the components needed and their placements.

πŸ’‘ Hint: Map out the path data follows through the circuit.

Challenge and get performance evaluation