Practice Analysis And Design Exercises (3.5) - Op-Amp Feedback Configurations
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Analysis and Design Exercises

Practice - Analysis and Design Exercises

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the gain equation for an inverting amplifier?

💡 Hint: Remember the negative sign indicates inversion.

Question 2 Easy

If R_in is 2 kΩ and R_f is 10 kΩ, what is the gain of the inverting amplifier?

💡 Hint: Plug in the values into the gain equation.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of negative feedback in op-amp circuits?

Increase gain
Stabilize output
Reduce noise

💡 Hint: Think about how feedback affects circuit behavior.

Question 2

True or False: An inverting amplifier outputs a signal that is in-phase with the input.

True
False

💡 Hint: Recall what happens to the signal in an inverting amplifier.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an inverting amplifier where you need to achieve a gain of -100 with an input resistor of 5 kΩ. What values will R_f need?

💡 Hint: Apply the inverting amplifier gain equation.

Challenge 2 Hard

Consider a differential amplifier with R_1 = 15 kΩ, R_2 = 150 kΩ, and R_3 = 10 kΩ. If the input voltages are 1V and 3V, what will be the output voltage?

💡 Hint: Find the gain first and use the difference in inputs.

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Reference links

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