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Method and system of calibration of a second order intermodulation intercept point of a radio transceiver

  • US 9,178,559 B2
  • Filed: 11/25/2009
  • Issued: 11/03/2015
  • Est. Priority Date: 12/12/2008
  • Status: Active Grant
First Claim
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1. Method of calibration of a second order intermodulation intercept point of a radio transceiver, the method comprising:

  • generating a second order intermodulation reference signal from a transmission baseband signal;

    estimating a second order intermodulation power from the second order intermodulation reference signal and a radio transceiver output signal;

    tuning a second order intermodulation intercept point tuner to correspond to a lowest second order intermodulation power; and

    extracting an optimum second order intermodulation intercept point corresponding to the lowest second order intermodulation power.

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