Practice Current Mirror Circuits (part-b) (82.1) - Current mirror circuits (Part-B)

Practice: Current Mirror Circuits (Part-B)

Lesson 82.1Current mirror circuits (Part-B)

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8 questions

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6 sample questions

Question 1.
Define a current mirror.
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Think of it as a current duplicator.
Question 2.
What does the W/L ratio in MOSFETs signify?
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This relates to the geometry of the MOSFET.
3Question 3.
What is a current mirror primarily used for?
- Voltage amplification
- Current replication
- Signal processing
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Consider what 'mirroring' means in electronics.
4Question 4.
True or False: The output current in a BJT current mirror is the same as the reference current.
- True
- False
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Think about the role of base current in BJT operation.
Question 5.
Design a BJT current mirror circuit with at least two transistors and calculate the output current based on given reference current and saturation current characteristics.
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Consider the collector and base current relationships in your calculations.
Question 6.
Explain a method to enhance the output resistance of a current mirror and discuss the significance of this enhancement in real-world applications.
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Why would you want your current more stable amidst changing conditions?

4 more questions in this section. Enroll free to practise them all.