Practice Final Notes On Amplifier Parameters (71.5.2) - Single - ended Vs. Differential Signaling and Basic Model of a Differential Amplifier(Contd.)

Practice: Final Notes on Amplifier Parameters

Lesson 71.5.2Single - ended Vs. Differential Signaling and Basic Model of a Differential Amplifier(Contd.)

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6 sample questions

Question 1.
Define differential mode gain.
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Think of what the amplifier does to the input difference.
Question 2.
What is common mode gain?
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Look at signals that are the same on both ends.
3Question 3.
What is the primary function of differential mode gain (A_d)?
- A. Amplify the common signals
- B. Amplify the difference between inputs
- C. Reduce noise
- D. Convert signals
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Recall the purpose of differentiating signals in usage.
4Question 4.
True or False: High common mode gain (A_c) is desirable for signal clarity.
- True
- False
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Think about what happens to the undesired signals.
Question 5.
Given A_d = 50 and A_c = 0.2, find v_o for v_in_d = 3V and v_in_c = 1V. Discuss how the values of A_d and A_c affect the output.
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Apply the given gains to their respective inputs.
Question 6.
How does increasing A_c affect overall circuit performance when A_d remains constant? Provide an analysis of implications and potential solutions.
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Think of how the signal integrity can be compromised.

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