Calculating Bandwidth

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nickip_22

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Assume that a voice channel occupies a bandwidth of 4 kHz. We need to multiplex 10 voices channels with guard bands of 500 Hz using FDM. Calculate the required bandwidth.

Can anyone help me with this?
 

10 channels of 4KHz = 40KHz
9 guard bands between them of 0.5KHz = 4.5KHz
Total = 40 + 4.5 = 44.5KHz

Brian.
 

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