Practice OBSERVATIONS AND READINGS - 7 | EXPERIMENT NO. 7: DIFFERENTIAL AMPLIFIER AND BASIC OP-AMP GAIN STAGES | Analog Circuit Lab
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7 - OBSERVATIONS AND READINGS

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the primary function of a differential amplifier?

💡 Hint: Recall the definition we've discussed.

Question 2

Easy

What does CMRR stand for?

💡 Hint: Think about the performance measure related to differential amplifiers.

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 is the purpose of a BJT differential amplifier?

  • To amplify a single input signal
  • To amplify the difference between two input signals
  • To measure current

💡 Hint: Think about its key function in reducing noise.

Question 2

True or False: A higher CMRR means better rejection of common-mode signals.

  • True
  • False

💡 Hint: Consider what a higher ratio signifies in signal processing.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a BJT differential amplifier circuit to achieve a differential gain of 50. List the components and their values.

💡 Hint: Start with the formula for differential gain and backtrack to find resistor values.

Question 2

Calculate the CMRR for an amplifier with a measured A_d of 40 and an A_cm of 2.

💡 Hint: Remember to use the CMRR formula and how to convert that to decibels.

Challenge and get performance evaluation