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Electronic Devices - Power Amplifiers

Exercise : Power Amplifiers - Filling the Blanks
6.
In a class A transformer-coupled amplifier, the ________ the value of VCEmax and the ________ the value of VCEmin, the ________ the efficiency to (from) the theoretical limit of 50%.
larger, smaller, farther
larger, smaller, closer
smaller, larger, closer
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Class D operation can achieve power efficiency of over ________.
90%
78.5%
50%
25%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
In Fourier technique, any periodic distorted waveform can be represented by ________ the fundamental and all harmonic components.
multiplying
subtracting
dividing
adding
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The beta of a power transistor is generally ________.
more than 200
100 to 200
less than 100
0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The fundamental component is typically ________ any harmonic component.
larger than
the same as
smaller than
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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