Method and apparatus for an improved power amplifier
US7242245B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2005 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | Aug 13, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/534
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An amplifier system is provided that includes a first balun with an input and an output. A second balun has an input and an output. An amplifier assembly is provided and has at least a first amplifier in parallel to a second amplifier. The first amplifier provides the input to the first balun and the second amplifier provides the input to the second balun. A power combining circuit is provided. The first and second baluns are coupled to a common node of the power combining circuit. A first lumped element circuit is coupled between the output of the first balun and the power combining circuit. A second lumped element circuit is coupled between the output of the second balun and the power combing circuit. The outputs are coupled to the common node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.