Unipolar Encoding

Unipolar Encoding –

   Unipolar encoding  is very simple & very primitive . It uses only one level of value .

Digital transmission system work by sending voltage pulses along a medium link, i.e. wire or cables.

           In most type of encoding one voltage level stands for binary 0 & another level stands for Binary 1. and the polarity of  pulse refers to whether it is positive or negative.

          Unipolar encoding uses only one polarity and that ius assign to binary state 1,  While the other binary state 0 is represented by zero voltage.

Fig. showing Unipolar encoding

In this Example , The binary 1s are encoded as a positive  value and The binary 0s are encoded as the zero value.