Practice Introduction To Differential Amplifier Variants (76.1.1) - Differential Amplifier : Basic Structure and Principle of Operation (Contd.)

Practice: Introduction to Differential Amplifier Variants

Lesson 76.1.1Differential Amplifier : Basic Structure and Principle of Operation (Contd.)

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8 questions

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6 sample questions

Question 1.
Define a differential amplifier.
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Focus on the input signals.
Question 2.
What is the purpose of a tail resistor (R_T)?
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Think about stability in operation.
3Question 3.
What does a differential amplifier amplify?
- Common Mode Signals
- Input Difference
- Output Voltage
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Think about the 'differential' aspect.
4Question 4.
True or False: A common mode signal is amplified by a differential amplifier.
- True
- False
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Consider the rejection property.
Question 5.
If a differential amplifier has identical resistors and a gain of 10, what happens to the output if noise is injected as common mode?
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Reflect on common mode rejection behavior.
Question 6.
Design a circuit combining both active and passive components in a differential amplifier and assess the advantages.
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Consider the type of components that optimize performance.

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