Practice Output Current Calculations (87.4.2) - Numerical examples on current mirror and its applications (Part-B)

Practice: Output Current Calculations

Lesson 87.4.2Numerical 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 a current mirror?
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Think about its function in relation to input and output.
Question 2.
Name one advantage of using a cascode transistor.
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Consider how it influences voltage stability.
3Question 3.
What is the main purpose of a current mirror?
- To amplify a signal
- To provide a regulated current
- To store energy
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Think about what currents do in circuits.
4Question 4.
True or False: Cascode transistors are used to decrease output resistance.
- True
- False
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Consider their function in circuit stability.
Question 5.
Design a cascode current mirror with the following parameters: V_DD = 12V, I_ref = 1mA. Include calculations for output resistance.
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Keep in mind the relationship with output voltage changes.
Question 6.
Explain the importance of maintaining voltage stability in a transistor used as an active load in amplifier configurations.
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Think about what happens if the voltage changes unexpectedly.

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