Bandwidth of multiplex
The voice channel occupies a bandwidth of 4 KHz. Calculate the required bandwidth to multiplex 10 voice channels with guard bands of 500 Hz using FDM.
Expert
To multiplex 10 voice channels, we require nine guard bands.
10 channels of 4 KHz = 40 KHz
9 guard bands between them of 0.5 KHz = 4.5 KHz
Total = 40 + 4.5 = 44.5 KHz
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