Radio frequency power amplifier for a battery powered handset unit of a wireless communications system
US6288608A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2000 |
| Grant date | Sep 11, 2001 |
| Priority date | — |
| Expiry date | Apr 28, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F1/0277
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A radio frequency power amplifier for a battery powered handset unit of a wireless communications system having a low power signal amplification path and a high power signal amplification path. Logic and biasing means within the handset select between the low power signal path and the high power signal depending upon the handset being within or outside a prescribed distance from a base station. In this way, the signals received at the base station from the handset are at the required power level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.