Practice - Differential Gain (A_d) Measurement
Practice Questions
Test your understanding with targeted questions
What is the formula for calculating differential gain (A_d)?
💡 Hint: Consider what you measure at the output and input.
How do common-mode signals affect the output of a differential amplifier?
💡 Hint: Think about what happens when both inputs are the same.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does A_d measure in a differential amplifier?
💡 Hint: Remember we discussed how amplifiers respond to changes.
True or False: A perfect differential amplifier should produce a non-zero output for common-mode signals.
💡 Hint: Think of what happens when both inputs are identical.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A differential amplifier has a differential voltage gain (A_d) of 50 with a common-mode gain (A_cm) of 0.02. Calculate the CMRR and discuss its significance.
💡 Hint: Apply the correct formulas and interpret the results in a practical sense.
If the input common-mode voltage exceeds the ICMR of ±1V in a given circuit, discuss the potential implications on the output behavior.
💡 Hint: Reflect on the behavior of transistors beyond their active region limits.
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Reference links
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