Practice Input Capacitance And Impedances (48.1.9) - Common Collector and Common Drain Amplifiers (Contd.): Numerical Examples (Part B) - A

Practice: Input Capacitance and Impedances

Lesson 48.1.9Common Collector and Common Drain Amplifiers (Contd.): Numerical Examples (Part B) - A

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8 questions

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6 questions · about 4 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the formula for calculating voltage gain?
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Think about the relationship between output and input voltages.
Question 2.
What does the term 'input resistance' refer to?
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Identify which part of the circuit affects how the input voltage is seen by the signal.
3Question 3.
What is the approximate voltage gain of a common collector amplifier?
- 0.5
- 1
- 2
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Think about the typical behavior of amplifiers in this configuration.
4Question 4.
True or False: Input resistance affects the performance of an amplifier.
- True
- False
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Consider how much of the input signal manages to enter the transistor.
Question 5.
For a common collector amplifier, if the resistance of R_E is doubled, how does it affect the input and overall gain?
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Use the formulas for input resistance as part of your analysis.
Question 6.
Calculate the upper cutoff frequency for an amplifier with an output resistance of 600 Ω and Cgs valued at 2 pF.
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Be sure to apply the cutoff frequency formula appropriately.

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