Methods and apparatus for envelope tracking system
US9520907B2 · kind B2 · utility
60Cited by
12References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2014 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | May 1, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2001/0425
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A communication unit comprises a radio frequency, RF, transmitter comprising: a power amplifier, PA, module; an envelope tracking system operably coupled to the PA module and arranged to variably control a supply voltage for the PA module; and a load control system operably coupled to an output of the PA module and arranged to control a power amplifier output load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.