Power amplifier apparatus and power amplifier circuit
US8773206B2 · kind B2 · utility
2Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2011 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Oct 27, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/411
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a power amplifier apparatus and a power amplifier circuit thereof, the power amplifier circuit uses Doherty circuit structure, and it uses a high voltage heterojunction bipolor transistor (HVHBT) power amplifier to achieve a Carrier amplifier with the Doherty circuit structure, and uses a high electron mobility transistor (HEMT) power amplifier to achieve a Peak amplifier with the Doherty circuit structure. The power amplifier apparatus and a power amplifier circuit thereof in the present invention improves the efficiency of the power amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.