Practice Differential Amplifier Using Mosfet (77.3.3) - Differential Amplifier : Analysis and Numerical Examples

Practice: Differential Amplifier using MOSFET

Lesson 77.3.3Differential Amplifier : Analysis and Numerical Examples

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8 questions

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6 sample questions

Question 1.
What is the primary function of a differential amplifier?
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Consider what differentiates 'differential' in this context.
Question 2.
Define common mode gain in a differential amplifier.
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Think of what happens when both inputs receive the same voltage.
3Question 3.
What does a differential amplifier primarily amplify?
- The sum of two signals
- The difference between two signals
- Only one input signal
- None of the above
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Focus on the word 'differential'.
4Question 4.
True or False: Common mode gain should be higher than differential mode gain.
- True
- False
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Think about the designs of amplifiers aimed at noise rejection.
Question 5.
Design a differential amplifier circuit that exhibits a specific gain of 100 with given transistor parameters.
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Use the formula for gain in terms of g_m and resistances.
Question 6.
Evaluate the effect of temperature on the performance of differential amplifiers using BJTs versus MOSFETs.
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Consider the thermal stability of both devices.

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