A PCM communication system has 4 codewords: 00, 01, 10, 11; the first two are for positive voltages, the second two are for negative voltages. These are arranged in the way we have become used to seeing them arranged: the larger the binary number the larger the *magnitude* of the signal. The gap between codewords is 1 volt. No codeword gap straddles the 0 volts value. Sketch this coding scheme and determine which codeword pattern represents the following samples: 0.1v, -0.5v, 1.5v, -0.4v. Is it: Select one: a. 00 00 01 00 O b. 00 10 01 10 O c. 11 00 01 00 O d. 01 01 01 00

A PCM communication system has 4 codewords: 00, 01, 10, 11; the first two are for positive voltages, the second two are for negative voltages. These are arranged in the way we have become used to seeing them arranged: the larger the binary number the larger the magnitude of the signal. The gap between codewords is 1 volt. No codeword gap straddles the 0 volts value. Sketch this coding scheme and determine which codeword pattern represents the following samples: 0.1v, -0.5v, 1.5v, -0.4v. Is it: Select one: a. 00 00 01 00 O b. 00 10 01 10 O c. 11 00 01 00 O d. 01 01 01 00

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

ChapterS: Safety, Basic Electricity And Ohm's Law

Section: Chapter Questions

Problem 8RQ: What is an MSDS?

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