PA output matching circuit, RF front-end module and wireless device
US12231095B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2020 |
| Grant date | Feb 18, 2025 |
| Priority date | — |
| Expiry date | Feb 21, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/541
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Provided are a PA output matching circuit, a RF front-end module and a wireless device. The circuit is used for connecting with a first PA output and a second PA output of an output stage of a push-pull PA, and comprises a load balun, a first DC blocking circuit, a second DC blocking circuit, a first feed circuit and a second feed circuit; the main coil of the load balun is provided with a first balun input and a second balun input; the first balun input is connected with the first PA output via the first DC blocking circuit, and the first balun input is connected with the first PA output via the first feed circuit; the second balun input is connected with the second PA output via the second DC blocking circuit, and the second balun input is connected with the second PA output via the second feed circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.