Radio frequency transmitter having an amplifier with power supply modulation
US8447245B2 · kind B2 · utility
20Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2010 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Nov 17, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/543
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A circuit including a carrier amplifier having an input, an output, a first transistor coupled to a first power supply voltage terminal for receiving a modulated power supply voltage, and a second transistor coupled to a second power supply voltage terminal for receiving a fixed power supply voltage is provided. The circuit further includes a peaking amplifier having an input coupled to the input of the carrier amplifier and an output coupled to the output of the carrier amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.