A binary encoded signal with a bit-rate of Rb = 56 kbps is encoded using Uni-polar NRZ baseband encoding and then modulated using binary PSK (BPSK). What is the bandwidth required to transmit this modulated signal?
A 224 kHz
B 56 kHz
C 112 kHz
D 28 kHz
E 14 kHz
Please show working out if you can ?
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