Practice Part A: Bjt Differential Amplifier Characterization (6.1) - DIFFERENTIAL AMPLIFIER AND BASIC OP-AMP GAIN STAGES
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Part A: BJT Differential Amplifier Characterization

Practice - Part A: BJT Differential Amplifier Characterization

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define differential gain.

💡 Hint: Think of how much output you get from a difference in input.

Question 2 Easy

What is meant by common-mode rejection?

💡 Hint: Focus on noise that affects both inputs.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of a differential amplifier?

To amplify common-mode signals
To amplify the difference between inputs
To measure impedance

💡 Hint: Remember how it filters out noise.

Question 2

True or False: Higher CMRR is desirable in amplifiers.

True
False

💡 Hint: Think about interference suppression in signal processing.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider a BJT differential amplifier where A_d is measured at 30 and A_cm is at 5. Calculate the CMRR and express it in decibels.

💡 Hint: Use logarithmic conversion for dB.

Challenge 2 Hard

Design an experiment to determine the ICMR of a BJT differential amplifier. What parameters would you measure?

💡 Hint: Focus on input voltage ranges and signal behavior.

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Reference links

Supplementary resources to enhance your learning experience.