Practice Current Gain Of Common Gate Amplifier (52.3.5) - Common Base and Common Gate Amplifiers (Contd.) : Numerical Examples (Part B)

Practice: Current Gain of Common Gate Amplifier

Lesson 52.3.5Common Base and Common Gate Amplifiers (Contd.) : Numerical Examples (Part B)

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9 questions

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6 sample questions

Question 1.
What is the typical current gain of a common gate amplifier?
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Think about how much input current the amplifier outputs.
Question 2.
Why is biasing important for amplifiers?
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Consider what happens if a transistor does not receive biasing.
3Question 3.
The current gain of a common gate amplifier is usually close to:
- 0.5
- 1
- 1.5
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Consider the definitions of current gain.
4Question 4.
True or false: A common gate amplifier has high input impedance.
- True
- False
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Recall the primary attributes of this amplifier type.
Question 5.
If the source resistance is increased in a common gate amplifier to 100 kΩ, discuss how this affects the performance in a detailed manner.
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Evaluate the interaction of total resistance in the circuit.
Question 6.
Consider designing a common gate amplifier with specified supply voltage and load resistance. Derive the equations detailing how to calculate the required biasing conditions.
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Use known values to form your equations and apply the saturation condition.

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