Discussion :: Exam Questions Paper
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50 independent low pass signals of bandwidth W, 2W, 3W, W, 2W, 3W, W, 2W, 3W Hz are to be time division multiplexer on a common channel using PAM. To achieve this, the minimum transmission capacity of the channel should be __________ .
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Answer : Option B
Explanation :
The commulator in TDM has to rotate at a speed twice that of highest bandwidth 3W x 2 = 6W Hz.
∴ Channel capacity = 2B = 2(6 W) = 12 W Hz.
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