Practice Overview Of Differential Amplifier (75.2) - Differential Amplifier : Basic Structure and Principle of Operation

Practice: Overview of Differential Amplifier

Lesson 75.2Differential Amplifier : Basic Structure and Principle of Operation

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8 questions

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6 sample questions

Question 1.
What is a differential amplifier?
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Think about what it does with two input signals.
Question 2.
Name one application of a differential amplifier.
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Consider where you might need signal amplification.
3Question 3.
What is the primary function of a differential amplifier?
- To amplify a single input signal
- To amplify the difference between two input signals
- To filter signals
- To convert AC to DC
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Think about its name and purpose.
4Question 4.
True or False: A differential amplifier works best with identical input signals.
- True
- False
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What happens when the signals are the same?
Question 5.
Describe how you would implement a differential amplifier using both BJT and MOSFET transistors. What specifications would you choose and why?
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Consider their characteristics in terms of gain and application.
Question 6.
Given a circuit diagram of a differential amplifier, how would you calculate the differential mode and common mode gains if provided with all necessary components values?
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Refer back to the definitions of each type of gain.

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