Patent · US Expired

Active load impedance control system for radio frequency power amplifiers

US4985686A · kind A · utility

23Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 1989
Grant dateJan 15, 1991
Priority date
Expiry dateDec 4, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F1/3223
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An active load impedance control system for a radio frequency power amplifier comprising an amplification means for amplifying radio frequency signals and providing a forward signal, a control means responsive to the operating conditions of said amplification means, a correction signal means responsive to the control means for providing an amplitude, a sampling means and phase controlled corrective reflective signal and a combining means for combining said forward signal and said corrective reflective signal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.