Electronic Devices - FET Amplifiers - Discussion

Discussion Forum : FET Amplifiers - General Questions (Q.No. 2)
2.
The theoretical efficiency of a class D amplifier is
75%.
85%.
90%.
100%.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Akbar said:   8 years ago
How to calculate the efficiency of class D amplifier?

Hiraya said:   3 years ago
Efficiency = (Vo/Vi); for all classes (A-D).
Class A (50%).
Class B (78.5%).
Class C (90%).
Class D (90% or greater).

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