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23.5.4. Summary of Current Amplifier Model

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1.
What is the function of a current amplifier?
Hint
Think about how it assists other components.
2.
What does a BJT stand for?
Hint
It's commonly used in current amplification.
3.
What is the primary purpose of a current amplifier?
- To amplify voltage
- To amplify current
- To filter signals
Hint
Remember the role of current in amplifier circuits.
4.
A BJT must be properly biased to function effectively.
- True
- False
Hint
Think about the concept of operational regions for transistors.
5.
A current amplifier has an unloaded gain of 25. If the input current is 4 mA, what will be the output current when a 100 Ohm load is connected?
Hint
Calculate the loading effect based on the connected load.
6.
Explain how the characteristics of BJTs lead to problems in amplifying at high frequencies. Suggest a potential solution.
Hint
Consider the physical properties of BJTs under high-frequency conditions.

Exercises

Total Questions

Estimated Time

4 min

Passing Score

70%

4 more questions available

Total Questions

Estimated Time

4 min

Passing Score

70%

1 more question available

Total Questions

Estimated Time

4 min

Passing Score

70%