Practice DC Operating Point of the Amplifier - 78.2.7 | 78. Differential Amplifier : Analysis and Numerical Examples (Contd.) | Analog Electronic Circuits - Vol 4
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 is the DC operating point?

πŸ’‘ Hint: Think about the purpose of biasing in amplifiers.

Question 2

Easy

Define signal swing.

πŸ’‘ Hint: Consider what happens at the output when input varies.

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 happens if the input voltage is too low?

  • True
  • False

πŸ’‘ Hint: Think of the role of voltage in transistor activation.

Question 2

The common mode voltage must stay within the specified range for optimal amplifier operation.

  • True
  • False
  • Only in certain cases

πŸ’‘ Hint: Consider the consequences of going too far from this range.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

For a differential amplifier with a DC supply voltage of 5V, if the voltage drop across the resistors is 1.2V, what is the expected output DC voltage?

πŸ’‘ Hint: Subtract the voltage drop from the supply to get the collector voltage.

Question 2

Describe how you would design a circuit to maintain effective amplification with a varying input current while ensuring it stays within the common mode range.

πŸ’‘ Hint: Consider how feedback might be employed to adjust levels dynamically.

Challenge and get performance evaluation