×

Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment

  • US 8,315,336 B2
  • Filed: 05/19/2008
  • Issued: 11/20/2012
  • Est. Priority Date: 05/18/2007
  • Status: Active Grant
First Claim
Patent Images

1. An apparatus for power amplification, the apparatus comprising:

  • input circuitry that generates a plurality of control signals;

    circuitry that receives said plurality of control signals and a frequency reference signal, and that generates a plurality of substantially constant envelope signals using said frequency reference signal and said plurality of control signals;

    a plurality of switches each receiving one of said substantially constant envelope signals; and

    a plurality of multiple-input single-output (MISO) amplifiers each amplifying and combining a subset of said substantially constant envelope signals to generate an output signal.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×