Practice Introduction (45.1.1) - Common Collector and Common Drain Amplifiers (Contd.): Analysis (Part A)

Practice: Introduction

Lesson 45.1.1Common Collector and Common Drain Amplifiers (Contd.): Analysis (Part A)

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9 questions

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6 sample questions

Question 1.
What is the purpose of a common collector amplifier?
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Think about where it is typically used.
Question 2.
Define input capacitance.
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Consider what effects contribute to it.
3Question 3.
What is the approximate voltage gain of a common collector amplifier?
- 0.5
- 1
- 2
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Think about how output relates to input.
4Question 4.
True or False: Common drain amplifiers have high output impedance.
- True
- False
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Recall the characteristics of common drain amplifiers.
Question 5.
Design a common collector amplifier circuit that is required to buffer a 10kΩ source to a 1MΩ load, considering the effects of R and parasitic capacitances. Determine the values of necessary components.
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Consider transistor datasheets for beta values.
Question 6.
Analyze the effect of changing C_mu from 5nF to 15nF on the input capacitance of a common collector stage with an A_v of 0.7.
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Use the input capacitance formula you've learned.

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