Power amplifier device
US8130041B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2010 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Dec 3, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/451
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Provided is a power amplifier device. The power amplifier device includes: a cutoff unit cutting off a direct current (DC) component of a signal delivered from a signal input terminal; a circuit protecting unit connected to the cutoff unit and stabilizing a signal delivered from the cutoff unit; and an amplification unit connected to the circuit protecting unit and amplifying a signal delivered from the circuit protecting unit, wherein the amplification unit comprises a plurality of transistors connected in parallel to the circuit protecting unit and the circuit protecting unit comprises resistors connected to between bases of the plurality of transistors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.