Multi-data rates multi-protocol communications techniques for reference-less re-timer
US9912468B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2016 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Aug 18, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/18
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Systems, methods, and apparatus for generating a clock signal using re-timer circuitry, including receiving an input data signal transmitted without a reference clock signal; comparing the input data signal with a re-timer clock signal to determine a frequency difference between the input data signal and the re-timer clock signal; determining a data rate of the input data signal based on the frequency difference between the input data signal and the re-timer clock signal; and generating, based on the data rate of the input data signal, a control signal for adjusting a frequency of the re-timer clock signal to frequency-lock the re-timer clock signal with the input data signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.