Practice Conclusion And Laboratory Experiments (79.5) - Differential Amplifier : Analysis and Numerical Examples (Contd.)

Practice: Conclusion and Laboratory Experiments

Lesson 79.5Differential Amplifier : Analysis and Numerical Examples (Contd.)

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9 questions

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6 sample questions

Question 1.
What is the main function of a differential amplifier?
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Think about what it means to amplify differences.
Question 2.
Describe what the DC operating point refers to.
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It has to do with the 'direct current' in the circuit.
3Question 3.
What is the function of a differential amplifier?
- Amplifies single input
- Amplifies difference between inputs
- Reduces signal noise
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Focus on what it means to amplify differences.
4Question 4.
Is the small signal gain higher for common mode signals when compared to differential mode signals?
- True
- False
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Consider which signals are primarily amplified.
Question 5.
Design a differential amplifier using BJTs that achieves a differential gain of 100 and explain each component's role in your design.
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Consider how each resistor influences the overall gain.
Question 6.
Explain how varying the tail resistor in your designed amplifier affects the output swing when a signal is applied.
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Measure output swing under different tail resistor values.

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