Practice Indian Institute Of Technology, Kharagpur (88.1.3) - Numerical examples on current mirror and its applications (Part-C)

Practice: Indian Institute of Technology, Kharagpur

Lesson 88.1.3Numerical examples on current mirror and its applications (Part-C)

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10 questions

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6 sample questions

Question 1.
What is the role of a current mirror in a common emitter amplifier?
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Think about how it ensures stable current.
Question 2.
Why is proper biasing crucial for a transistor?
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Consider what happens if the operating point is not ideal.
3Question 3.
What is the main function of a current mirror in amplifier circuits?
- To amplify the signal
- To maintain a constant current
- To reduce distortion
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Consider the importance of stable current in circuit operations.
4Question 4.
True or False: Proper biasing can cause a transistor to operate in an optimal linear region.
- True
- False
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Reflect on what happens if biasing is incorrect.
Question 5.
Design a common emitter amplifier circuit with a desired voltage gain of 1000. Choose appropriate transistor characteristics and calculate biasing resistances.
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Refer back to voltage gain equations and ensure all transistors are in their optimal region.
Question 6.
Analyze how a mismatch in beta values between transistors affects output resistance and voltage gain in a current mirror configuration. Present a comparative report.
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Focus on how small changes in beta can have substantial effects in the behavior of the amplifier.

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