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A company has a low pass 1MHz bandwidth communication line. The company needs 4 separate independent channels each capable of sending at least 2Mbps. QAM

A company has a low pass 1MHz bandwidth communication line. The company needs 4 separate independent channels each capable of sending at least 2Mbps. QAM technology has been selected to implement. What is the minimum bits per baud for each channel? What is the number of points in the constellation diagram for each channel? Assume d = 0

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