Question

An AM signal represented in time domain as S(t)=10[1+0.5 cos 2π 103t+0.8 cos 2π(10* 103)t + 0.9 cos 2π(20 *103 )t] cos 2πfct . fC=1MHz. Determine i) Bandwidth of the signal ii) Power taken by the component 990KHz iii) The ratio PUSB/PT iv)Modulation efficiency​

Answer 1

Answer:

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