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Manchester code ensures frequent line voltage transitions, directly proportional to the clock rate; this helps [[clock recovery]].
The [[DC component]] of the encoded signal is not dependent on the data and therefore carries no information. Therefore connections may be [[Inductive coupling|inductively]] or [[Capacitive coupling|capacitively]] coupled, allowing the signal to be conveyed conveniently by galvanically isolated media (e.g., Ethernet) using a [[network isolator]]—a simple one-to-one [[isolation transformer]] which cannot convey a DC component.
== Encoding and decoding ==
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