Asked Nov 1, 2019

In a binary pulse code modulated system, an analog signal x(t)=10sin(40t) is used as input. A uniform 8 but quantizer is used. Determine the number of quantization levels and the bandwidth of the PCM system.


Expert Answer

Step 1

Pulse code modulation system is the fundamental backbode of analog to digital signal conversion. It is very easy to implement and with the help of proper quantizer, analog input signal is converted into equivalent digital output signal. 

Step 2

For binary pulse code modulation system with uniform quantization, the number of quantization levels can be expressed as


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N 2 - (1) v Number of bits in the quantizer

Step 3

In this case, v=8. Therefore, the numb...


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N 28 = 256


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