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Electronic Devices - Power Amplifiers

Exercise : Power Amplifiers - General Questions
11.
Which type of power amplifier is biased for operation at less than 180º of the cycle?
Class A
Class B or AB
Class C
Class D
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Class AB operation is ________ operation.
similar to class A
similar to class B
similar to class C
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The principal advantage(s) of MOSFETs over BJTs is (are)
their biasing networks are simpler.
their drive requirements are simpler.
they can be connected in parallel for added drive capability.
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Which of the following instruments allows more precise measurement of the harmonic components of a distorted signal?
Digital multimeter
Spectrum analyzer
Oscilloscope
Wave analyzer
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
In class B operation, at what fraction of VCC should the level of VL(p) be to achieve the maximum power dissipated by the output transistor?
0.5
0.636
0.707
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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