Practice Instrumentation Amplifier (4.2.5) - Op-Amp Applications I - Amplifiers
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Instrumentation Amplifier

Practice - Instrumentation Amplifier

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define what an instrumentation amplifier does.

💡 Hint: Think about its purpose in noisy environments.

Question 2 Easy

What is the significance of the gain formula in instrumentation amplifiers?

💡 Hint: Remember the formula includes resistor values.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of an instrumentation amplifier?

To amplify AC signals only
To amplify differential signals
To filter noise

💡 Hint: Consider the type of input they specialize in.

Question 2

True or false: The gain of an instrumentation amplifier can be adjusted by changing resistor values.

True
False

💡 Hint: Think about how gain is related to resistance.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You are building an ECG machine requiring a gain of 50 with $R_f$ equal to 25kΩ. Determine the value for $R_1$. Assuming the gain formula, what must the input resistor be?

💡 Hint: Consider manipulating the gain formula to isolate $R_1$.

Challenge 2 Hard

Discuss how an increase in CMRR affects the performance of an instrumentation amplifier.

💡 Hint: Reflect on what common-mode noise affects in terms of signal quality.

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Reference links

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