Practice Department Of Electronics And Electrical Communication Engineering (87.1.2)

Practice: Department of Electronics and Electrical Communication Engineering

Lesson 87.1.2Numerical examples on current mirror and its applications (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 about how circuits can replicate current.
Question 2.
What is the advantage of using a cascode configuration?
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Consider what happens to output resistance.
3Question 3.
What is the purpose of a current mirror?
- To amplify signals
- To replicate current
- To store charge
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Think about its role in current stability.
4Question 4.
True or False: Early Voltage positively affects current in a transistor.
- True
- False
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Relate it back to non-idealities.
Question 5.
Design a cascode current mirror with specified output and biasing conditions and calculate the output voltage.
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Focus on saturation conditions and calculate necessary bias voltages.
Question 6.
Given various configurations of BJTs and MOSFETs, compare their performance in terms of output resistance.
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Look back at previous calculations for insight.

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