Current biasing circuit
US7495503B2 · kind B2 · utility
0Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2007 |
| Grant date | Feb 24, 2009 |
| Priority date | — |
| Expiry date | May 14, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F3/267
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A current biasing circuit is provided, which is designed to suppress reference current drift caused by temperature variation with a low overall temperature coefficient of a constant-voltage circuit and at least one resistor. The constant-voltage circuit comprises a diode and/or a diode-connected transistor. This current biasing circuit is based on a current mirror architecture, is easy to implement, and is a relatively temperature-independent current source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.