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Digital transmitter and method

  • US 20040192229A1
  • Filed: 03/31/2003
  • Published: 09/30/2004
  • Est. Priority Date: 03/31/2003
  • Status: Active Grant
First Claim
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1. A transmitter, comprising:

  • a digital upconverter for receiving a baseband digital signal having a first rate and upconverting the baseband digital signal to an upconverted digital signal having a second rate;

    circuitry for receiving the upconverted digital signal and separating the upconverted digital signal to generate a plurality of parallel digital signals;

    a modulator for receiving and modulating the parallel digital signals to generate a plurality of modulated digital signals;

    a digital-to-digital modulator for receiving the plurality of modulated digital signals and generating a plurality of modulated digital signals; and

    a multiplexer operable to generate a digital output signal.

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