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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a differential amplifier do?
💡 Hint: Think about its main purpose and characteristic.
Question 2
Easy
What is the formula for calculating CMRR?
💡 Hint: Recall that CMRR measures rejection of common-mode signals.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a differential amplifier amplify?
- Common-mode signals
- Differential signals
- Both
💡 Hint: Focus on the main function of the differential amplifier.
Question 2
True or False: High CMRR is desirable in an amplifier.
- True
- False
💡 Hint: Think about what CMRR represents.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a differential amplifier that achieves a CMRR of at least 70 dB. Determine the required resistor values and transistor matching criteria.
💡 Hint: Use the logarithm property to connect gain with decibels.
Question 2
Given an Op-Amp with a gain of 25 and a GBW of 1 MHz, what is the bandwidth? How would a change in gain affect your bandwidth?
💡 Hint: Remember the relationship of gain and bandwidth in Op-Amps.
Challenge and get performance evaluation