Systems and methods for a predistortion linearizer with frequency compensation

  • US 9,793,932 B2
  • Filed: 03/16/2016
  • Issued: 10/17/2017
  • Est. Priority Date: 03/16/2015
  • Status: Active Grant
First Claim
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1. An analog predistortion linearizer system with dynamic frequency compensation for automatically adjusting predistortion characteristics based on a detected frequency, the system comprising:

  • a frequency detector generating at least one frequency detection signal in response to receiving an amplifier drive signal, the at least one frequency detection signal including a frequency indicator that indicates a frequency of the amplifier drive signal, said at least one frequency detection signal comprising an analog signal or a digital signal;

    a controller communicatively coupled to the frequency detector and generating at least one predistorter control signal in response to receiving the at least one frequency detection signal from the frequency detector; and

    an analog predistorter communicatively coupled to i) the frequency detector and ii) the controller, the analog predistorter generating a predistorted amplifier drive signal based on the at least one predistorter control signal, wherein said controller comprising a circuit for processing the received analog signal and for generating a proper predistortion signal for the analog predistorter.

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