Matching network circuit and radio-frequency power amplifier with odd harmonic rejection and even harmonic rejection and method of adjusting symmetry of differential signals
US9923530B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2016 |
| Grant date | Mar 20, 2018 |
| Priority date | — |
| Expiry date | Oct 7, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/45116
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A matching network circuit for RF power amplifier circuit capable of odd harmonic rejection and even harmonic rejection in the differential mode and the common mode, respectively. The matching network circuit includes a differential mode filter with a differential resonant frequency and a passive component coupled to a virtual short circuit node at the differential mode filter, wherein a common mode filter with a common resonant frequency includes the differential mode filter and the passive component. As a result, two notch filters with different resonant frequencies are utilized for the common mode and the differential mode, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.