Practice - Differential Amplifiers in Instrumentation
Practice Questions
Test your understanding with targeted questions
What does a differential amplifier do?
💡 Hint: Think about the function of the amplifier in terms of inputs.
Name one application of differential amplifiers.
💡 Hint: Consider medical instruments.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main function of a differential amplifier?
💡 Hint: Consider what makes them different from a standard amplifier.
True or False: Differential amplifiers enhance common-mode signals.
💡 Hint: Ask yourself what common-mode means in this context.
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Challenge Problems
Push your limits with advanced challenges
You need to design a differential amplifier for temperature sensing that will amplify a small voltage difference caused by temperature variations. How would you choose the resistor values to achieve a needed gain of 10, and what considerations might you need based on sensor characteristics?
💡 Hint: Balance gain with the input signal quality and sensor characteristics.
Given a differential input of voltages 0.5V and 0V with Rf at 10kΩ and R1, R2 both at 1kΩ, calculate the output voltage of the differential amplifier.
💡 Hint: Remember to apply the difference between inputs in your calculations.
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Reference links
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