Practice Input Common Mode Range (80.1.4) - Differential Amplifier : Analysis and Numerical Examples (Contd.)(Part B)

Practice: Input Common Mode Range

Lesson 80.1.4Differential Amplifier : Analysis and Numerical Examples (Contd.)(Part B)

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9 questions

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6 sample questions

Question 1.
What is the role of tail current in a differential amplifier?
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Think about how current influences voltage in a circuit.
Question 2.
Define input common mode range.
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Consider the operational limits of an amplifier.
3Question 3.
What is the input common mode range for a differential amplifier?
- The range of output voltage
- The range of input voltage levels
- The allowable temperature range
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Think about the inputs signal limits.
4Question 4.
True or False: The combination of BJTs and MOSFETs can be used without affecting amplifier performance.
- True
- False
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Consider how different components interact.
Question 5.
Design a differential amplifier using both BJT and MOSFET where the input common mode voltage is to be kept between 2.3V and 9V. Calculate the necessary component values.
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Use the relationships derived in section to calculate specific component values.
Question 6.
Analyze the effect of changing the tail current from 2 mA to 4 mA on output performance and common mode rejection.
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Reflect on current effects on amplifier efficiency.

5 more questions in this section. Enroll free to practise them all.