Practice Common Source Amplifier Example (87.6) - Numerical examples on current mirror and its applications (Part-B)

Practice: Common Source Amplifier Example

Lesson 87.6Numerical examples on current mirror and its applications (Part-B)

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9 questions

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6 sample questions

Question 1.
What is the purpose of a current mirror in amplifiers?
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Think about how it helps in maintaining consistent performance.
Question 2.
Name one difference between MOSFET and BJT current mirrors.
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Consider their operation.
3Question 3.
What does a current mirror do?
- Replicates a current
- Amplifies voltage
- Stores charge
- None of the above
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Recall the definition.
4Question 4.
True or False: The BJT current mirror is voltage-driven.
- True
- False
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Think about the nature of BJTs.
Question 5.
Design a common source amplifier with a specified voltage gain of 100 and a current mirror that supports it. Determine the necessary resistor values and configurations.
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Use the gain formula and apply it across the resistor configurations.
Question 6.
Evaluate how a change in supply voltage affects the biasing resistor in a BJT current mirror.
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Consider how increased voltage may influence current regulation through the resistors.

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