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Transmitter Linearized In Response To Signal Magnitude Derivative Parameter and Method Therefor

  • US 20120106676A1
  • Filed: 02/01/2011
  • Published: 05/03/2012
  • Est. Priority Date: 11/02/2010
  • Status: Active Grant
First Claim
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1. A method of linearizing a transmitter having an amplifier which applies a nonlinear amplifier transform to a signal input at said amplifier said method comprising:

  • providing a communication signal;

    producing a gain-correcting signal responsive to a magnitude parameter of said communication signal and a magnitude derivative parameter of said communication signal;

    adjusting gain of said communication signal in response to said gain-correcting signal to form a predistorted communication signal; and

    forming said signal input at said amplifier from said predistorted communication signal.

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