Practice Advantages Of Current Mirror (85.1.4) - Usage 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 behaves in comparison to a simple resistor.
Question 2.
Explain common mode gain.
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Consider it relating to noise rejection.
3Question 3.
What is the main function of a current mirror?
- To reflect voltage
- To produce constant current
- To amplify AC signals
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Think about why it is used in circuits.
4Question 4.
True or False: Lowering the common mode gain increases circuit noise.
- True
- False
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Reflect on why less noise is beneficial.
Question 5.
Design a simple current mirror circuit. Explain how the configuration helps in improving common mode rejection.
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Consider how the input and output currents balance each other.
Question 6.
Analyze the effect of varying transconductance on the common mode gain in a differential amplifier using a current mirror.
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Determine how changes in transconductance affect the output.

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