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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for calculating Differential Gain (Ad)?
💡 Hint: Think about how the gain relates to the collector resistor and transconductance.
Question 2
Easy
What does CMRR stand for?
💡 Hint: What is the primary focus of CMRR in 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 relationship between tail current and transconductance?
- Higher tail current decreases gm
- Higher tail current increases gm
- Tail current does not affect gm
💡 Hint: Refer to the definitions of both concepts.
Question 2
CMRR is crucial for amplifiers functioning in environments with what type of signals?
- True
- False
💡 Hint: Consider the challenges faced in real-world applications.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a differential amplifier with the following specifications: desired differential gain of 200, CMRR_dB of 80, and input common mode range of 10V. Provide calculations for each parameter.
💡 Hint: Use each specified performance metric to guide your calculations.
Question 2
Given that a BJT-based amplifier has a tail current of 100uA and an RC of 100 kOhms, calculate the differential gain and determine if it can achieve a target of 150.
💡 Hint: Make sure to calculate Ic and not confuse it with I_tail.
Challenge and get performance evaluation