Practice Need For Compensation (7.4.1) - Operational Amplifiers (Op-Amps) and Their Design
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Need for Compensation

Practice - Need for Compensation

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is frequency compensation?

💡 Hint: Think about stability in op-amps.

Question 2 Easy

Define phase margin.

💡 Hint: It’s related to oscillations.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary goal of frequency compensation in op-amps?

To increase gain
To ensure stability
To reduce noise
None of the above

💡 Hint: Think about the role of feedback and stability.

Question 2

True or False: Each pole adds phase lag in an amplifier's frequency response.

True
False

💡 Hint: Recap how poles influence phase.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A given op-amp design has a unity gain bandwidth of 1 MHz and uses a compensation capacitor effectively causing a roll-off. Calculate the phase margin if three poles interact at high frequency.

💡 Hint: Count the total contributions of phase shifts from poles and how they affect unity gain.

Challenge 2 Hard

Design an op-amp circuit that involved dominant pole compensation. Indicate the placement of components and discuss the expected effects on bandwidth and stability.

💡 Hint: Think about how other components would influence overall behavior.

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Reference links

Supplementary resources to enhance your learning experience.