Practice Small Signal Equivalent Circuit (46.2.1) - Common Collector and Common Drain Amplifiers (Contd.): Analysis (Part B)

Practice: Small Signal Equivalent Circuit

Lesson 46.2.1Common Collector and Common Drain Amplifiers (Contd.): Analysis (Part B)

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9 questions

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6 sample questions

Question 1.
What is the small signal equivalent circuit used for?
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Think about simplifications for AC signal analysis.
Question 2.
What does a common collector amplifier provide in terms of resistance?
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Consider the behavior of the amplifier on connecting different components.
3Question 3.
What is the primary use of a small signal equivalent circuit?
- To analyze large signals
- To analyze small AC signals
- To simulate DC conditions
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Think about the nature of the signals being studied.
4Question 4.
True or False: The voltage gain of a common collector amplifier is typically less than one.
- True
- False
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Reflect on what makes a buffer functional.
Question 5.
A common collector amplifier has a base current of 20µA and a collector resistor of 15kΩ. Calculate the expected output voltage assuming unity gain.
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Reflect on the relationship between base current and collector current.
Question 6.
If the input capacitance of a common collector amplifier is found to limit its bandwidth to 5kHz, how would increasing the capacitance affect the bandwidth?
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Consider how capacitance generally influences frequency response.

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