Amplifier with improved noise performance and extended gain control range
US7583945B2 · kind B2 · utility
3Cited by
3References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2006 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Nov 3, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/52
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An amplifier and method of amplifying a signal is presented. The amplifier contains a fixed gain stage, a digitally controllable gain stage, and a continuously variable attenuator connected between the fixed and controllable gain stages. The attenuator and controllable gain stage are controllable such that the gain of the controllable gain stage is decreased when the attenuation of the attenuator reaches a predetermined maximum value and the attenuation of the attenuator is reduced thereafter. The output power level of the amplifier remains constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.