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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a differential amplifier.
💡 Hint: Think about what inputs the amplifier focuses on.
Question 2
Easy
What does CMRR stand for?
💡 Hint: It measures the ability to reject signals common to both inputs.
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 primarily do?
- Amplifies the same signal from two sources
- Amplifies the difference between two input signals
- Ignores all signals
💡 Hint: Think of its name and its function.
Question 2
Is a higher CMRR desirable in amplifier design?
- True
- False
💡 Hint: Consider noise rejection capabilities in circuits.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given that R_C is 4.7 kΩ and I_CQ is 1.5 mA, calculate the differential gain A_d for a BJT differential amplifier. Discuss how changes in each parameter would affect A_d.
💡 Hint: Analyze how variations in components impact the gain.
Question 2
Design a simple inverting amplifier using an LM741 op-amp, targeting a gain of -5. Calculate resistor values needed and confirm your design by simulating the circuit.
💡 Hint: Select resistor values to achieve the desired gain and check your design in a simulator.
Challenge and get performance evaluation