Practice - Calculation with Practical Circuits: Analyzing Common Feedback Amplifier Configurations
Practice Questions
Test your understanding with targeted questions
What is the closed-loop gain of a non-inverting amplifier with Rf = 30kΩ and Rg = 5kΩ?
💡 Hint: Use the formula Af = 1 + Rg/Rf.
Explain the unique feature of a voltage follower.
💡 Hint: Think about the connection to the inverting input.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the closed-loop gain equation for a non-inverting amplifier?
💡 Hint: Remember how feedback influences the gain.
True or False: The voltage follower has a gain less than one.
💡 Hint: Think about the definition of a voltage follower.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a non-inverting amplifier circuit that can achieve a gain of 10 and use standard resistor values to represent Rf and Rg. Explain why your chosen values are appropriate.
💡 Hint: Adjust Rg and Rf appropriately while keeping gain in mind.
What changes to the output voltage would occur if you increased Rf in an inverting amplifier while keeping Rin constant? Analyze the impact on gain.
💡 Hint: Refer to the formula for gain in inverting amplifiers.
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