Power adjustment method, computer-readable recording medium and power adjustment apparatus
US9872260B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 2016 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | May 29, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2201/3215
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A power adjustment method includes: measuring output power that is obtained when input power to be amplified in a linear region is input to a power amplifier configured to amplify input power linearly in the linear region and amplify input power nonlinearly in a nonlinear region; deriving a straight line connecting a measurement point corresponding to the measured output power and a boundary point between the linear region and the nonlinear region in a coordinate plane representing input/output characteristics; acquiring information on an approximate equation that is stored in advance in correspondence with the measured output power, the approximate equation representing a relation between input power and output power in the nonlinear region; and storing information on the derived straight line and the acquired information on the approximate equation in a semiconductor integrated circuit provided at a preceding stage of the power amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.