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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the main purpose of a current mirror in a BJT differential amplifier?
💡 Hint: Consider what keeps the amplifier operating consistently.
Question 2
Easy
Define Tail Current.
💡 Hint: Think about what sustains the amplifier's performance!
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 primary function of the current mirror in a differential amplifier?
- To amplify the input signal
- To provide stable biasing current
- To act as a load
💡 Hint: Consider what provides consistency in operation.
Question 2
True or False: Active loads always improve the differential mode gain in an amplifier circuit.
- True
- False
💡 Hint: Think about what defines amplifying performance.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a differential amplifier using BJTs with specific parameters and explain how you would select your current mirror configuration.
💡 Hint: Consider how different choices influence both common and differential mode gains in your design.
Question 2
Explain how variations in temperature might affect the current mirror's performance in a BJT amplifier.
💡 Hint: Think about how heat impacts electronic components overall.
Challenge and get performance evaluation