Electronic Devices - Power Amplifiers - Discussion

Discussion Forum : Power Amplifiers - General Questions (Q.No. 42)
42.
Categorize the power efficiency of each class of amplifier, from worst to best.
A, B, AB, D
A, AB, D, B
A, AB, B, D
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Vamsi said:   7 years ago
Answer is correct.

A-25%.
AB-50 -75%.
B-78.5%.

Sri said:   10 years ago
Answer is correct.

A 25% (SERIES FED) 50% (CT FED).

AB: 25-78.5%.

B: 78.5%.

D higher than B.

DILIP said:   10 years ago
AB-50%.
B-79%.

Navi said:   1 decade ago
Answer should be A instead of C.

Efficiency is as follows:

A ~ 25%.
B ~ 50%.
AB ~ 78%.
D ~ 100%.

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