Practice Replacing Passive Load (85.2.2) - Usage of current mirror (Part-C)

Practice: Replacing Passive Load

Lesson 85.2.2Usage of current mirror (Part-C)

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6 sample questions

Question 1.
What is a current mirror?
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Think about how it modifies current flow across devices.
Question 2.
Define a differential amplifier.
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Recall its function in signal processing.
3Question 3.
What role does a current mirror play in a differential amplifier?
- A. Stabilizes power supply
- B. Replicates current
- C. Reduces noise
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Focus on the definition and function of a current mirror.
4Question 4.
True or False: The replacement of passive loads with active loads increases the complexity of the circuit.
- True
- False
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Consider the fundamental changes in circuit design.
Question 5.
Design a differential amplifier configuration using two current mirrors and analyze its gain characteristics. What are the advantages over a traditional configuration?
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Incorporate knowledge from gain equations and ensure proper current matching.
Question 6.
Consider a scenario where the transistors in the current mirror are not perfectly matched. Explain the potential circuit implications.
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Reflect on how matching affects current flow and signal fidelity in differential amplifiers.

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