Practice Concepts To Be Covered (22.1.2) - Linear models of Amplifiers (Part A)

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6 sample questions

Question 1.
What is a voltage amplifier?
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Think about which part of a signal it enhances.
Question 2.
What is a current amplifier?
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Consider which electrical property it focuses on.
3Question 3.
What does a voltage amplifier do?
- Boosts current
- Boosts voltage
- Reduces noise
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Think about the function of the amplifier.
4Question 4.
True or False: A trans-conductance amplifier's output current is controlled by the input voltage.
- True
- False
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Consider how the input voltage influences output.
Question 5.
Design a dual-stage amplifier circuit. Explain how the voltage amplifier prepares the signal for the current amplifier.
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Think about the sequence and interaction of the stages.
Question 6.
If you have a trans-conductance amplifier with an input voltage of 2V, how much output current will it produce if the trans-conductance is 5 mS?
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Use the formula for computing output current based on trans-conductance.

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