Practice Active Devices for Enhanced Performance - 75.5.3 | 75. Differential Amplifier : Basic Structure and Principle of Operation | 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 does a differential amplifier amplify?

💡 Hint: Think about what is fed into the amplifier.

Question 2

Easy

Name one type of active device used in differential amplifiers.

💡 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

💡 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

💡 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?

💡 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.

💡 Hint: Map out the path data follows through the circuit.

Challenge and get performance evaluation