Practice Current Characteristics (80.1.2) - Differential Amplifier : Analysis and Numerical Examples (Contd.)(Part B)
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Current Characteristics

Practice - Current Characteristics

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does BJT stand for?

💡 Hint: Think about transistors that are used in amplifiers.

Question 2 Easy

What is the function of a current source in a circuit?

💡 Hint: Consider how this is beneficial for stabilizing signals.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary advantage of using a tail current source in a differential amplifier?

A. Provides a variable current
B. Reduces common mode gain
C. Increases input impedance

💡 Hint: Consider how a consistent current affects signal quality.

Question 2

True or False: The input common mode range is necessary for avoiding distortion in output signals.

True
False

💡 Hint: Think about distortion effects over voltage changes.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a differential amplifier circuit using both BJTs and MOSFETs to achieve a specific gain of 10 while maintaining a stable common mode range. Describe your design approach.

💡 Hint: Remember to balance the strengths of both BJTs and MOSFETs in your design.

Challenge 2 Hard

Given a differential amplifier's upper common mode limit of 9V and a lower limit of 2.3V, how would you select resistor values to keep the output resistance stable while ensuring a differential gain of 8?

💡 Hint: Estimate voltage drops across resistors while calculating.

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