Practice Analog Electronic Circuits - 85.1 | 85. Usage of current mirror (Part-C) | Analog Electronic Circuits - Vol 4
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Analog Electronic Circuits

85.1 - Analog Electronic Circuits

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the main purpose of a current mirror in a BJT differential amplifier?

💡 Hint: Consider what keeps the amplifier operating consistently.

Question 2 Easy

Define Tail Current.

💡 Hint: Think about what sustains the amplifier's performance!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of the current mirror in a differential amplifier?

To amplify the input signal
To provide stable biasing current
To act as a load

💡 Hint: Consider what provides consistency in operation.

Question 2

True or False: Active loads always improve the differential mode gain in an amplifier circuit.

True
False

💡 Hint: Think about what defines amplifying performance.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a differential amplifier using BJTs with specific parameters and explain how you would select your current mirror configuration.

💡 Hint: Consider how different choices influence both common and differential mode gains in your design.

Challenge 2 Hard

Explain how variations in temperature might affect the current mirror's performance in a BJT amplifier.

💡 Hint: Think about how heat impacts electronic components overall.

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