Active load impedance control system for radio frequency power amplifiers
US4985686A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1989 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Dec 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.