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26 April, 12:53

It is desiredto FDM 30voice channels (each with a bandwidth of 4.5KHz) along with a guard band of 0.8KHz. Ignoring a guard band before the first channel and the one after the last channel, what is the total bandwidth, in KHz, required for such a system.

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  1. 26 April, 14:04
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    Total bandwidth required = 158.2 KHz

    Explanation:

    given dа ta:

    number of channel 30

    bandwidth of each channel is 4.5 KHz

    bandwidth of guard band 0.8 KHz

    According to the given information, first guard band and the guard band after last channel should be ignored, therefore we have total number of 29 guard band.

    As per data, we can calculate total bandwidth required

    total bandwidth = 30*4.5 + 29*0.8

    total bandwidth required = 158.2 KHz
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