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Find the step size of a signal with peak to peak amplitude of 4V and is quantized into 64 levels?(a) 32.3 x 10^-3(b) 30.23 x 10^-3(c) 62.5 x 10^-3(d) 53.3 x 10^-3The question was asked in exam.I would like to ask this question from Spectrum of Multitone Signal topic in chapter Amplitude Modulation of Analog Communications

Answer»

Correct answer is (C) 62.5 X 10^-3

Easy EXPLANATION: STEP size is the voltage difference between one digital level (i.e. 0001) and the next one (i.e. 0010 or 0000). Quantization step size is the smallest possible difference in amplitude.

Therefore,

Step size,



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