Patent · US Expired

Radio frequency power amplifier for a battery powered handset unit of a wireless communications system

US6288608A · kind A · utility

10Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 2000
Grant dateSep 11, 2001
Priority date
Expiry dateApr 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.