Practice Summary And Conclusion (85.5) - Usage of current mirror (Part-C)

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6 sample questions

Question 1.
What is the purpose of a differential amplifier?
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Think about what two signals are combined in differential amplifiers.
Question 2.
Define a current mirror.
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Consider the role of current in amplifiers.
3Question 3.
What does a differential amplifier primarily do?
- Amplifies both signals equally
- Amplifies the difference between two inputs
- Only works with digital signals
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Focus on the key function of differential amplifiers.
4Question 4.
True or False: Current mirrors can operate with a varying input voltage.
- True
- False
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Recall how a current mirror is designed.
Question 5.
Design a differential amplifier circuit using BJTs with current mirrors and explain how it would improve performance.
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Focus on how to balance currents within the circuit.
Question 6.
Evaluate how the common mode rejection ratio (CMRR) can affect a differential amplifier's performance in a noisy environment.
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Consider how varying the gains would relate to CMRR.

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