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Chapter Objectives
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  • Explain why multiplexing techniques are necessary in telemetry, telephone systems, radio and TV broadcasting, and Internet access.
  • Compare frequency division multiplexing with time-division multiplexing.
  • Trace the steps in the transmission and reception of multiplexed signals.
  • List the major subtypes of time-division multiplexing.
  • Define pulse-code modulation, draw the diagram of a typical PCM multiplexer, and state the primary benefit of PCM over other forms of pulse modulation.
  • List the characteristics of the T-carrier system.
  • Explain the difference between time and frequency duplexing.









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