non-return-to-zero

Also known as NRZ

thumb|right|upright=1.4|The binary signal is encoded using rectangular pulse-amplitude modulation with polar NRZ(L), or polar non-return-to-zero-level code.

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Commons category: Non return to zero

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Article

11 sections

Contents

{{Anchor|NRZL|NRZM|NRZC}}Variants
Unipolar non-return-to-zero level
Bipolar non-return-to-zero level
{{Anchor|NRZS}}Non-return-to-zero space
{{Anchor|NRZI|NRZ-S|NRZI-S|NRZ-M|NRZI-M}}Non-return-to-zero inverted
Synchronized non-return-to-zero
Comparison with return-to-zero
See also
References
Further reading
External links

thumb|right|upright=1.4|The binary signal is encoded using rectangular pulse-amplitude modulation with polar NRZ(L), or polar non-return-to-zero-level code.

In telecommunications, a non-return-to-zero (NRZ) line code is a binary code in which ones are represented by one significant condition, usually a positive voltage, while zeros are represented by some other significant condition, usually a negative voltage, with no other neutral or rest condition.