Question: (2)[7 marks] Consider a composite analog signal containing frequencies between l.25 kHz and 12.5 kHz and is sampled for digital transmission using Pulse Code Modulation

(2)[7 marks] Consider a composite analog signal containing frequencies between l.25 kHz and 12.5 kHz and is sampled for digital transmission using Pulse Code Modulation (PCM). a) [1 mark] Determine the bandwidth of the composite signal. b) [1 mark] Determine the minimum sampling rate such that the original analog signal can be accurately reproduced. c) [3 marks] Determine the minimum number of uniform quantization levels required to achieve a quantizing SNR of no less than 80 dB

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