Apparatus and method for improving lock time
US11387815B2 · kind B2 · utility
0Cited by
6References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 11, 2020 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Dec 11, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03L2207/06
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An apparatus is provided to improve lock time of a phase locked loop, wherein the apparatus comprises: a ring oscillator including at least two delay stages, wherein each delay stage has a controllable delay; and a multiphase frequency monitor coupled to the ring oscillator to monitor frequency at an output of at least two delay stages of the ring oscillator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.