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Predistortion circuit for a transmit system

  • US 20050003770A1
  • Filed: 08/13/2003
  • Published: 01/06/2005
  • Est. Priority Date: 07/03/2003
  • Status: Active Grant
First Claim
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1. A system for processing an input signal, the system comprising:

  • a signal processing subsystem receiving and processing said input signal and producing a system output signal, and a predistortion subsystem receiving at least two internal input signals and producing at least two predistorted signals by applying a deliberate predistortion to said at least two internal input signals;

    wherein said predistortion subsystem distorts said internal input signals to compensate for distortions in said system output signal;

    said signal processing subsystem decomposes said input signal into separate components to produce said at least two internal input signals, each of said separate components being processed separately; and

    said signal processing subsystem combines said predistorted signals after processing to produce said system output signal.

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