77.4.2 - Differential and Common Mode Input Signals
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the main function of a differential amplifier?
💡 Hint: Think about why we use differential amplifiers in noisy environments.
Define common mode input signals.
💡 Hint: Focus on the definition of the term 'common'.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a differential amplifier do?
💡 Hint: Think of differential amplifiers used in audio and instrumentation.
Common mode signals are applied to:
💡 Hint: Remember the definition of common mode inputs.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A differential amplifier has a differential gain of 15, and the input signals are 1V and 4V. Calculate the output voltage.
💡 Hint: Use the gain formula with differential inputs.
If a common mode rejection ratio is low, discuss the impact on signal integrity in a circuit.
💡 Hint: Think about the importance of noise in data acquisition.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.