Electronic Devices - Power Amplifiers

Exercise : Power Amplifiers - True or False
1.
A class C amplifier is a linear amplifier.
True
False
Answer: Option
Explanation:
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2.
In a class B push-pull amplifier, crossover distortion occurs when both transistors are off and the input signal voltage must exceed VBE before a transistor conducts.
True
False
Answer: Option
Explanation:
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3.
Class AB operation always requires a dual (+/–) supply.
True
False
Answer: Option
Explanation:
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4.
Class A amplifiers operate in the active region of the load line all of the time.
True
False
Answer: Option
Explanation:
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5.
The efficiency of any amplifier is the ratio of signal output power to signal input power.
True
False
Answer: Option
Explanation:
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