engineering recuitment NIELIT Scientific Assistant Mock Test 2025 Communication Systems Amplitude Modulation Conventional Amplitude Modulation
In an AM system, the modulating signal is a sinusoid with frequency of fm Hz. If 80% modulation is used, then the ratio of total side-band power in the modulated signal, to the total power is:
1
0.15
2
0.24
3
0.31
4
0.5