Science Fair Project Encyclopedia
Return-to-zero
Return-to-zero (RZ) describes a line code used in telecommunications signals in which the signal drops (returns) to zero between each pulse. This takes place even if a number of consecutive zeros or ones occur in the signal. This means that a separate clock does not need to be sent alongside the signal. The signal is self-clocking.
Contrast with Non-return-to-zero.
03-10-2013 05:06:04
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details