Practice Common Gate Configuration (50.2.5) - Common Base and Common Gate Amplifiers : Analysis (Part B)

Practice: Common Gate Configuration

Lesson 50.2.5Common Base and Common Gate Amplifiers : Analysis (Part B)

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9 questions

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6 sample questions

Question 1.
What is the role of the common gate in a common gate amplifier?
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Consider what common gate connections signify.
Question 2.
Identify one key characteristic of the voltage gain in the common gate configuration.
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Look at the sign of the gain.
3Question 3.
What is the primary function of the gate terminal in a common gate amplifier?
- To ground the input signal
- To control output voltage
- To connect load resistance
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Think about how other amplifiers utilize their terminal connections.
4Question 4.
True or False: The output voltage in a common gate amplifier is out of phase with the input voltage.
- True
- False
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Consider the phase relationships discussed earlier.
Question 5.
Design a common gate amplifier circuit that includes a source resistance of 100Ω, a load resistor of 1kΩ, and a transconductance (g_m) of 20 mS. Calculate the overall voltage gain including the effects of source resistance.
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Focus on properly calculating the load in parallel with the source resistance.
Question 6.
Evaluate the performance impact if a common gate amplifier is used in a high-frequency application. What parameters might need to be considered?
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Refer to frequency response concepts and how they can affect amplifier operation.

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