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TRANSMITTER BUILT-IN PRODUCTION LINE TESTING UTILIZING DIGITAL GAIN CALIBRATION

  • US 20080144707A1
  • Filed: 12/03/2007
  • Published: 06/19/2008
  • Est. Priority Date: 12/19/2006
  • Status: Active Grant
First Claim
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1. A method of calibrating an external power amplifier comprising a power detector, said external power amplifier coupled to the output of a transmitter incorporating a pre-power amplifier (PPA), said method comprising the steps of:

  • performing closed loop calibration of an input signal to yield a maximum level of said external power amplifier that is within predetermined transmission requirements;

    measuring a gain of said external power amplifier; and

    calibrating said power detector gain.

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