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AMPLIFICATION DEVICE AND AMPLIFICATION METHOD

  • US 20160181991A1
  • Filed: 10/02/2015
  • Published: 06/23/2016
  • Est. Priority Date: 12/18/2014
  • Status: Active Grant
First Claim
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1. An amplification device that includes at least two amplifiers, the amplification device comprising:

  • a switching unit that switches an amplification mode to one of a first amplification mode and a second amplification mode based on power of a signal before or after amplification by the amplifiers;

    a separating unit that separates an input signal to two signals having a constant amplitude and different phases from each other when switched to the first amplification mode by the switching unit;

    a modulation unit that modulates an input signal into a signal having a constant amplitude when switched to the second amplification mode by the switching unit;

    an amplification unit that amplifies the two signals obtained by the separating unit or two signals obtained by the modulation unit by using the amplifiers; and

    a combining unit that combines the two signals amplified by the amplifiers.

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