Practice Example Circuit Analysis (79.3) - Differential Amplifier : Analysis and Numerical Examples (Contd.)
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Example Circuit Analysis

Practice - Example Circuit Analysis

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define a differential amplifier in your own words.

💡 Hint: Focus on what makes it different from other amplifiers.

Question 2 Easy

What role does the operating point play in a transistor's function?

💡 Hint: Think about how voltage levels affect transistor behavior.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of a differential amplifier?

To amplify the sum of the inputs
To amplify the difference between the inputs
To provide voltage regulation

💡 Hint: Think about the specific signals it emphasizes.

Question 2

True or False: High common mode gain is desired in differential amplifiers.

True
False

💡 Hint: Consider how noise affects signal integrity.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a differential amplifier circuit using both BJTs and MOSFETs achieving a differential mode gain of 150. Calculate the required resistor values assuming desired currents.

💡 Hint: Use the formula A_d = R_C / R_E.

Challenge 2 Hard

Discuss how the common mode rejection ratio (CMRR) can be calculated and its significance in real-world applications.

💡 Hint: Look at definitions of both types of gain.

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