engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Communication Systems Introduction To Digital Modulation Baseband Modulation
Twenty PAM signals each band-limited to 3 kHz and sampled at 8 kHz are time multiplexed prior to transmission. If the absolute maximum bandwidth is 120 kHz. Then the value of Roll-off factor (α) of the raised cosine filter used is ___________.
1
0.5
2
0.6
3
0.7
4
0.8