Practice Realization Of Differential Amplifier (75.2.3) - Differential Amplifier : Basic Structure and Principle of Operation

Practice: Realization of Differential Amplifier

Lesson 75.2.3Differential Amplifier : Basic Structure and Principle of Operation

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8 questions

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6 sample questions

Question 1.
Define a differential amplifier.
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Think about its function in an electrical circuit.
Question 2.
What is common mode gain?
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Consider a situation where both channels receive identical input.
3Question 3.
What is a differential amplifier primarily used for?
- Amplifying both signals equally
- Amplifying the difference between two signals
- Rejection of all signals
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Remember its core purpose in amplifying small signals.
4Question 4.
Is common mode gain desirable to be high in a differential amplifier?
- True
- False
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Think about the noise levels that should be eliminated.
Question 5.
Given a differential amplifier with an output voltage difference of 3V and 1V, calculate the differential gain if the input voltage is 2V.
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Remember the formula for calculating differential gain.
Question 6.
Design a differential amplifier circuit using two BJTs and explain the role of each component in achieving desired amplification.
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Think about how each component contributes to the overall function of the amplifier.

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