Practice Calculation Of Differential Mode Gain And Common Mode Gain (89.2.3) - Numerical examples on current mirror and its applications (Part-D)

Practice: Calculation of Differential Mode Gain and Common Mode Gain

Lesson 89.2.3Numerical examples on current mirror and its applications (Part-D)

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9 questions

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6 sample questions

Question 1.
Define differential mode gain.
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Think about how the amplifier reacts to different inputs.
Question 2.
What is common mode gain?
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Consider signals affecting both terminals the same way.
3Question 3.
What symbol represents differential mode gain?
- A_c
- A_d
- g_m
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Recall the notations used for amplifier gain.
4Question 4.
True or False: Higher common mode gain is desirable in amplifiers.
- True
- False
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Think about how noise affects signals!
Question 5.
Given that a differential amplifier has a transconductance (g_m) of 500 µS, what is the effect of varying the active load resistance on both differential and common mode gains?
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Consider how the resistance affects current paths.
Question 6.
Design an experiment to measure A_c in a real circuit. Describe the steps and potential results.
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Think about controlled signal inputs.

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