High linearity differential transconductance amplifier
US7301398B1 · kind B1 · utility
5Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2006 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Jun 2, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/7203
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The present invention is a differential transconductance amplifier circuit that includes matched cross-coupled transconductance elements connected such that the differential gain of the amplifier is determined by only passive elements. By virtually eliminating the effects of active elements on the amplifier gain, the amplifier operates in a very linear manner over its entire operating range. Power consumption, amplifier noise level, and dynamic range can be optimized with appropriate selection of the passive elements that determine amplifier gain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.