Practice Basic Structure And Principle Of Operation (7.1.1) - Operational Amplifiers (Op-Amps) and Their Design
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Basic Structure and Principle of Operation

Practice - Basic Structure and Principle of Operation

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does a differential amplifier do?

💡 Hint: Think about the word 'differential'.

Question 2 Easy

What is the importance of matched transistors?

💡 Hint: Consider noise rejection.

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 average of two signals
To amplify the difference between two signals
To filter noise

💡 Hint: Focus on the word ‘differential’.

Question 2

True or False: Common-mode signals are amplified by a differential amplifier.

True
False

💡 Hint: Consider what ‘reject’ means in this context.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a differential amplifier setup with input voltages of 3V and 1V, and a gain of 50, calculate the output voltage. Discuss how this exemplifies differential operation.

💡 Hint: Focus on the gain impacting the difference, not the individual inputs.

Challenge 2 Hard

Evaluate a scenario where a common mode voltage of 5V is applied to both inputs of a differential amplifier designed to amplify 1V differences. How may this affect signal processing?

💡 Hint: Recall how common-mode operation works.

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Reference links

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