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Line Encoding
sharul
Created on August 25, 2016
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Transcript
LINE ENCODING
NAME: SHARUL IDHAM BIN SAKRI
DEFINITION..
LINE ENCODING IS THE PROCESS OF CONVERTING BINARY DATA, A SEQUENCE OF BITS, TO DIGITAL SIGNAL.
TYPE OF LINE ENCODING
UNIPOLAR
BIPOLAR
POLAR
UNIPOLAR
:Unipolar encoding uses only one voltage level. : Unipolar encoding is so named because it uses only one polarity. : Polarity is assigned to one of the two binary states, usually the 1. : The other state, usually the 0, is represented by zero voltage. :Has dc component. Lack of synchronization is an issue in unipolar encoding.
POLAR
BIPOLAR
In bipolar encoding, we use three levels: positive, zero, and negative
NRZ
RZ
MANCHESTER
DIFFERENTIAL MANCHESTER
AMI = Alternate Mark Inversion