Current source utilizing a transconductance amplifier and a lowpass filter
US6674275B2 · kind B2 · utility
6Cited by
7References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 14, 2002 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Feb 14, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F3/267
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A current source circuit is described for generating control current. The circuit is capable of generating a very accurate reference current and in particular dealing with the problem which can arise from injected noise. A feedback loop is implemented to reject the charge injection noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.