railway RRB JE (CBT I + CBT II) Mock Test 2024 Communication Systems Introduction To Digital Modulation
The bandwidth of a video signal is 4.5 MHz. The signal is to be transmitted using PCM with 1024 quantization levels. The minimum bit rate required for transmission is
1
90 Mbps
2
45 Mbps
3
4.5 Mbps
4
10 Mbps