Practice Analog Electronic Circuits (79.1) - Differential Amplifier : Analysis and Numerical Examples (Contd.)
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Analog Electronic Circuits

Practice - Analog Electronic Circuits

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the main function of a differential amplifier?

💡 Hint: Think about what it does with two input voltages.

Question 2 Easy

Define common mode gain.

💡 Hint: Consider what happens when both signals are identical.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of a differential amplifier?

To amplify single input
To amplify the difference between two inputs
To isolate input signals

💡 Hint: Consider what defines 'differential' in the context.

Question 2

True or False: The common mode gain is typically higher than the differential mode gain.

True
False

💡 Hint: Think about the purpose of each gain type.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the maximum output swing of a BJT differential amplifier with a supply voltage of 12V, a collector current of 1 mA, and a base voltage of 2.6V.

💡 Hint: Account for the drop across the collector resistor too.

Challenge 2 Hard

Discuss reasons why replacing the tail resistor with an active device could improve amplifier performance.

💡 Hint: Consider how active devices stabilize operating points.

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