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This question belongs to Electronics And Communications Engineering Communication Systems

Communication Systems

?

An amplitude modulated signal is (A + 0.5Acosω_mt)cosω_ct where ω_m and ω_c are respectively, modulating and carrier frequencies. The power efficiency is

A) 11.11% B) 0.25% C) 4.32% D) 50%

Answer & Solution

Correct Answer: Option A

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