railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Communication Systems Amplitude Modulation Conventional Amplitude Modulation
Consider sinusoidal modulation in an AM system. Assuming no over-modulation, the modulation index (𝜇) when the maximum and minimum values of the envelope, respectively, are 3 V and 1 V is ________.
1
0.8
2
0.5
3
0.2
4
0.1