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Amplifiers Operating in Envelope Tracking Mode or Non-Envelope Tracking Mode

  • US 20140184335A1
  • Filed: 03/14/2013
  • Published: 07/03/2014
  • Est. Priority Date: 12/28/2012
  • Status: Active Grant
First Claim
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1. An amplifier arrangement configured to operate based on a mode of operation, comprising:

  • an adjustable power supply controlled by a first control signal to provide either a variable supply or a constant supply to the amplifier arrangement; and

    a power amplifier comprising a configuration arrangement controlled by secondary control signals, the configuration arrangement adapted to configure the power amplifier based on the mode of operation,wherein the mode of operation comprises a first mode of operation and a second mode of operation, the first mode of operation corresponding to the adjustable power supply providing variable supply to the power amplifier, the second mode of operation corresponding to the adjustable power supply providing constant supply to the power amplifier, the mode of operation switching between the first mode of operation and the second mode of operation and vice versa based on an input signal to the power amplifier.

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