Practice Common-mode Gain (a_cm) (4.1.4) - DIFFERENTIAL AMPLIFIER AND BASIC OP-AMP GAIN STAGES
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Common-Mode Gain (A_cm)

Practice - Common-Mode Gain (A_cm)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does A_cm represent in a differential amplifier?

💡 Hint: Think about how the amplifier reacts when both inputs are the same.

Question 2 Easy

Define 'Common Mode Rejection Ratio'.

💡 Hint: Focus on how well the amplifier eliminates unwanted signals.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the common-mode gain (A_cm) ideally expected to be in a differential amplifier?

0
1
Cannot determine

💡 Hint: Focus on the ideal performance of the amplifier.

Question 2

True or False: The Common Mode Rejection Ratio can be greater than 100.

True
False

💡 Hint: Think about the specifications of high-performance amplifiers.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a differential amplifier to minimize A_cm while maximizing CMRR, explaining your component choices.

💡 Hint: Think about the interaction of components and their ratios.

Challenge 2 Hard

Given a performance specification of A_d = -50 and A_cm = -0.02, analyze the potential limitations you might encounter.

💡 Hint: Consider real-world factors like temperature and aging of components.

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Reference links

Supplementary resources to enhance your learning experience.