Offset compensation circuit for a monitoring photodiode
US7209001B2 · kind B2 · utility
1Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2005 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | May 22, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F3/72
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Disclosed is a circuit for compensating for an offset voltage of a monitoring photodiode. After the offset voltage is measured in a photodiode test, current source and offset resistors are added according to the measured resistances, thereby compensating for the offset voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.