Current source
US6693415B2 · kind B2 · utility
3Cited by
7References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 2002 |
| Grant date | Feb 17, 2004 |
| Priority date | — |
| Expiry date | May 31, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F3/30
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A current source using a bandgap voltage circuit includes a current gain circuit between the output of the bandgap circuit and the current output transistor. On-off control is provided by a switchable bias circuit providing an ON potential to start the bandgap and a clamping circuit opening the feedback loop.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.