Flexible current control in power amplifiers
US6072995A · kind A · utility
10Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1997 |
| Grant date | Jun 6, 2000 |
| Priority date | — |
| Expiry date | Feb 26, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F1/0244
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An amplifier circuit in a wireless telecommunications device includes a digital-to-analog converter (DAC) and a mirror circuit to deliver variable current levels to transmission circuitry. The DAC receives a digital signal indicating the desired current strength under the particular device circumstances and requirements, and an analog signal corresponding thereto is forwarded to the mirror circuit, which amplifies the analog signal to the desired level for driving the transmission circuitry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.