Practice Department Of Electronics And Electrical Communication Engineering (52.1.2)

Practice: Department of Electronics and Electrical Communication Engineering

Lesson 52.1.2Common Base and Common Gate Amplifiers (Contd.) : Numerical Examples (Part B)

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8 questions

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6 sample questions

Question 1.
Define the common base amplifier.
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Think about the structure of the amplifier.
Question 2.
What is biasing?
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Consider what it means to control the function of a transistor.
3Question 3.
What is the primary function of a common base amplifier?
- Voltage Gain
- Current Amplification
- Signal Attenuation
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Consider what the amplifier enhances depending on its configuration.
4Question 4.
True or False: The common gate amplifier has high input impedance.
- True
- False
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Think about its configuration and how signals enter.
Question 5.
Design a common base amplifier circuit with specific parameters. Given a supply voltage of 10V, design biasing that will ensure the collector current is around 5mA.
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Ensure you factor in β for BJT while calculating currents.
Question 6.
Evaluate the output swing for a common gate amplifier where the drain voltage is 15V, and the minimum output voltage acceptable is 4V.
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Clarify what factors contribute to the upper limit of the swing.

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