Question: An analog signal is sampled, quantized, and encoded into a binary PCM wave. The specifications of the PCM system include the following: Sampling rate =

An analog signal is sampled, quantized, and encoded into a binary PCM wave. The specifications of the PCM system include the following: Sampling rate = 8 kHz, Number of representation levels 64. The PCM wave is transmitted over a baseband channel using discrete pulse-amplitude modulation. Determine the minimum bandwidth required for transmitting the PCM wave if each pulse is allowed to take on the following number of amplitude levels: 2, 4, or 8.

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