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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 timesI have been asked this question during an online exam.My question is based upon Digital Transmission in portion EDC Overview of Electronic Devices & Circuits

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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