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Plzz solve..Thank u Question 3 (a) 4,800 bits per second transmission over a telephone line is desired. For this purpose, the line must be specially

Plzz solve..Thank u

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Question 3 (a) 4,800 bits per second transmission over a telephone line is desired. For this purpose, the line must be specially conditioned to allow signal transmission using 8-ary amplitude shift keying (ASK) with 25% raised-cosine roll- off shaping. (i) Find the transmission bandwidth of the line. [2 marks] (ii) Determine the 6-dB bandwidth about the carrier of the ASK signal. [2 marks]

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