Acronym · Interfaces & SerDes
NRZ (Non-Return to Zero)
Two-level serial signalling in which one bit is sent per symbol as a high or low voltage. It offers the best noise margin per symbol but needs twice the bandwidth of PAM4 for the same bit rate.
- Also known as
- PAM2, Binary signalling
- Type
- Acronym
- Domain
- Interfaces & SerDes, SerDes fundamentals
Notes
NRZ remained the mainstream choice up to 32 GT/s per lane, after which channel loss forced the industry toward PAM4.
Related terms
- PAM4
- PAM3
- Baud rate
- Eye diagram
Part of the Interfaces & SerDes glossary, with every term in the topic and the lifecycles, tools and standards that use them.
Where it appears on the Hub
Used on 4 pages of the Hub. In each group, the pages that mention it most come first.
Skills
Suggest an improvement
Suggest an improvement to this entry
A clearer definition, an example, a correction or a source an editor can check. Editors review every suggestion before the entry changes.
Last reviewed: not yet reviewed in depth. Entry last updated . The full glossary