return to zero

Computing Dictionary

Return To Zero definition

communications
A class of encoding methods for physical circuits in which the carrier (current, voltage) returns to zero after each transmitted bit, i.e. the data is carried in pulse width or polarity, not in the level of the signal.
Contrast NRZ.
(1995-11-11)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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