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Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning

  • US 7,414,469 B2
  • Filed: 01/29/2007
  • Issued: 08/19/2008
  • Est. Priority Date: 04/24/2006
  • Status: Expired due to Fees
First Claim
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1. An apparatus for at least RF power transmission, comprising:

  • means for generating a plurality of control signals from information;

    means for generating a plurality of substantially constant envelope signals using at least said control signalsmeans for amplifying and combining said substantially constant envelope signals to create an output signal; and

    means for coupling said output signal to one of a plurality of output paths according to one or more of (i) a transmission mode and (ii) output frequency requirements, wherein said plurality of output paths enable transmission in respective bandwidth ranges of a frequency band, thereby enabling an extended transmission bandwidth.

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