Practice Introduction To Differential Amplifiers (7.1) - Operational Amplifiers (Op-Amps) and Their Design
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Introduction to Differential Amplifiers

Practice - Introduction to Differential Amplifiers

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does a differential amplifier do?

💡 Hint: Think about its function in noise reduction.

Question 2 Easy

What is CMRR?

💡 Hint: It has 'common' in the name.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary purpose of a differential amplifier?

A) Boost overall gain
B) Amplify difference and reject common signals
C) Power output signals

💡 Hint: Focus on the operational characteristics.

Question 2

True or False: CMRR stands for Common Mode Rejection Ratio.

True
False

💡 Hint: It relates to signal processing quality.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a differential amplifier circuit that achieves a CMRR of at least 80 dB and calculate the necessary component values.

💡 Hint: Remember the relationships between Ad, Acm, and CMRR.

Challenge 2 Hard

A differential amplifier is given with a GM of 10 mS and two collector resistors of 1 kOhm each. Calculate the differential gain and discuss its implications.

💡 Hint: Consider the magnitude of the output compared to the input.

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Reference links

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