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Which method should be implemented for reducing bandwidth?(a) Multilevel codes(b) Multilevel signalling(c) PAM(d) PDMThis question was posed to me during an online exam.Question is from Baseband Transmission-2 in section Formatting and Baseband Modulation of Digital Communications

Answer»

The correct option is (b) Multilevel signalling

To explain I would say: The TRANSMISSION BANDWIDTH REQUIRED for binary DIGITAL waveforms is large. To reduce the bandwidth, multilevel signalling method can be USED.



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