Variation reduction technique for charge pump transistor aging
US6812755B2 · kind B2 · utility
3Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2003 |
| Grant date | Nov 2, 2004 |
| Priority date | — |
| Expiry date | Jan 23, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03L7/18
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A charge pump is arranged to generate a current dependent on a phase difference between a first signal and a second signal. A reference circuit is operatively connected to the charge pump and arranged to adjust the charge pump so that the charge pump is independent of an aging effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.