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# 2) A signal with bandwidth 20KHz is sampled and digitally transmitted. (a) If the maximum acceptable quantization error in sample amplitudes is 0.25% of the peak signal voltage, find the minimum number of bits needed for a uniform quantizer. (b) If the sampling rate must be 20% higher than the minimum rate, find the minimum bit rate of the multiplexed data stream based on the quantizer of part (a). (c) If 5% more bits are added to the multiplexed data for error protection and synchronization, determine the minimum bandwidth needed to transmit the final data stream

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