Practice Ce Amplifier With Active Load (69.2) - Multi-Transistor Amplifiers : Amplifier With Active Load (Contd.) â€“Numerical Examples (Part B)

Practice: CE Amplifier with Active Load

Lesson 69.2Multi-Transistor Amplifiers : Amplifier With Active Load (Contd.) â€“Numerical Examples (Part B)

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a CE amplifier?
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Think about the voltage gain characteristics.
Question 2.
What does β represent in a transistor?
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It's the ratio of two currents.
3Question 3.
What is the significance of early voltage in a CE amplifier?
- It does not affect the performance.
- It helps maintain stability.
- It defines the output swing before saturation.
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Think about how voltage levels relate to the transistor's active region.
4Question 4.
True or False: Decreasing β will always enhance output stability.
- True
- False
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Consider the balance between current gain and output reliability.
Question 5.
Design a CE amplifier that maintains its output voltage despite a 20% decrease in β. Outline your methodology including calculations for resistance values.
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Focus on using constant current sources for biasing paired with feedback mechanisms.
Question 6.
Perform calculations to determine how varying the early voltage from 100V to 200V affects output in a specific amplifier configuration. Assume other parameters remain constant.
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Apply the equations given in class and think of real-world impacts on audio signals.

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