High speed comparator offset correction
US7362246B2 · kind B2 · utility
7Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2006 |
| Grant date | Apr 22, 2008 |
| Priority date | — |
| Expiry date | Sep 8, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/361
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An offset canceling buffer receives a reference voltage, and provides a modified reference voltage to a comparator. The modified reference voltage operates to cancel any comparator offset. The offset canceling buffer includes a digitally controllable current source to steer current in different paths based on comparator offset.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.