Fast forward RF power amplifier with high efficiency main amplifier and highly linear error amplifier
US6794933B2 · kind B2 · utility
11Cited by
29References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2003 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Feb 12, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F1/3235
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A feed forward RF power amplifier which provides both high efficiency and minimal distortion in broad bandwidth RF applications. The feed forward power amplifier includes a main amplifier biased to provide high efficiency and an error amplifier biased to provide highly linear operation through substantially the entire operating range. Signal peaks which introduce distortion components at the main amplifier output are cancelled by the linear operation of the error amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.