Device for linearizing transmitter amplifiers
US6356743B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1998 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | Jul 23, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F1/3241
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A device for linearizing transmitter amplifiers for transmitter equipment including a plurality of transmitters (11, 12, . . . 1n), each including a transmitter amplifier (4) and not totally decoupled from each other, said device including means for controlling the transmission of linearization signals relative to each amplifier and means (6) for analyzing the corresponding amplified linearization signals to determine the non-linearities of said amplifier and applying to wanted signals a pre-correction (5) to compensate said non-linearities, said device being essentially characterized in that it includes central control means (8, 8′, 10-20) for commanding the transmission of linearization signals relating to different transmitter amplifiers at different times.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.