Practice Department Of Electronics And Electrical Communication Engineering (21.3)

Practice: Department of Electronics and Electrical Communication Engineering

Lesson 21.3Linearization of non-linear circuit containing MOSFET (Contd.)

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8 questions

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6 sample questions

Question 1.
What does linearization entail in circuit analysis?
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Think about the relationship between linear and non-linear components.
Question 2.
Define transconductance (gₘ).
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It's a parameter that indicates how input voltage affects the output current.
3Question 3.
What is the primary function of transconductance (gₘ)?
- To measure voltage
- To measure current
- To quantify the relationship between current and voltage
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Remember, it relates input voltage to output current.
4Question 4.
True or False: The output conductance (g_d) measures the effect of output voltage on the drain current.
- True
- False
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Think about what happens when output voltage fluctuates.
Question 5.
Design a small signal equivalent circuit for a given MOSFET parameters, including deriving the values for gₘ and g_d.
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Focus on how small variations impact the overall circuit characteristics.
Question 6.
A MOSFET amplifier has gₘ = 5 mA/V and the output resistance is 2 kΩ. Calculate the expected output voltage for an input of 10 mV.
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Plug in the values into the equation properly.

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