engineering recuitment NIELIT Scientific Assistant Mock Test 2025 Communication Systems Amplitude Modulation Conventional Amplitude Modulation
An amplitude modulated signal is given as [A + 0.3 A cos ωm t] cos ωc t
The modulation index and the power efficiency are ______1
0.15, 30%
2
0.3, 30%
3
0.15, 44%
4
0.3, 4.4%