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Friday, 16 December 2011

Digital Transmission

Digital Transmission
      is the transmittal of digital signals between two or more points in a communications system
      The signals can be binary or any other form of discrete-level digital pulses.

      The original source information may be in digital form, or it could be analog signals that have been converted to digital pulses prior to transmission and converted back to analog signals in the receiver.
      with digital transmission systems, a physical facility (pair of wires, coaxial cable, or an optical fiber cable) is required to interconnect the various points within the system



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