Electronic circuit for producing a reference current independent of temperature and supply voltage
US6310510A · kind A · utility
4Cited by
13References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2000 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | Oct 19, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F3/265
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A current reference circuit comprises a positive temperature coefficient circuit and a negative temperature coefficient circuit, the temperature coefficients of which can be adjusted to give a temperature independent output current. The base of a transistor in the positive temperature coefficient circuit is connected to the base of a transistor in the negative temperature coefficient circuit to bias it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.