Patent · US Active

System and method for improving power efficiency of a transmitter

US8693961B2 · kind B2 · utility

4Cited by
8References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 11, 2011
Grant dateApr 8, 2014
Priority date
Expiry dateDec 21, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F2203/7236
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

In accordance with some embodiments of the present disclosure, a circuit comprises a balun configured to receive a radio frequency (RF) signal at a first input port and a second input port of an input coil. The balun is further configured to output the RF signal at an output coil communicatively coupled to the input coil. The circuit also comprises a supply voltage selector circuit coupled to the input coil and configured to adjust a bias voltage at the input coil according to a power level of the RF signal received at the input coil.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.