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In PCM system, if the quantization levels are increased form 2 to 8, the relative bandwidth requirement will

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In PCM system, if the quantization levels are increased form 2 to 8, the relative bandwidth requirement will

(a) Remain same

(b) Be doubled

(c) Be tripled

(d) Become four times

I have been asked this question during an online exam.

My question is based upon Digital Transmission in portion EDC Overview of Electronic Devices & Circuits

1 Answer

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Best answer
Right option is (c) Be tripled

The explanation: If L = 2, then 2 = 2^n or n = 1 ND. If L = 8, then 8 = 2^n or n = 3. So relative bandwidth will be tripled.

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