Phase frequency detector and accurate low jitter high frequency wide-band phase lock loop
US10439624B2 · kind B2 · utility
5Cited by
17References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2016 |
| Grant date | Oct 8, 2019 |
| Priority date | — |
| Expiry date | Jan 22, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03L2207/10
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A novel phase locked loop design utilizing novel phase-frequency detector, charge pump, loop filter and voltage controlled oscillator is disclosed. The phase-frequency detector includes a dual reset D-flip flop for use in multi-GHz phase locked loops. Traditional dead zone issues associated with phase frequency detector are improved/addressed by use with a charge transfer-based PLL charge pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.