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DIRECT CONVERSION RECEIVING ARCHITECTURE WITH AN INTEGRATED TUNER SELF ALIGNMENT FUNCTION

  • US 20090163162A1
  • Filed: 12/19/2007
  • Published: 06/25/2009
  • Est. Priority Date: 12/19/2007
  • Status: Abandoned Application
First Claim
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1. A radio system with self alignment, the system comprising:

  • a tank circuit in communication with an antenna input;

    an analog to digital converter connected to the tank circuit to digitize a tank output signal and generate a digital signal corresponding to the tank output signal;

    a digital down converter in communication with the analog to digital converter and configured to receive the digital signal;

    a digital up converter configured to generate a radio frequency test signal;

    a local oscillator forming part of the digital down converter and the digital up converter to provide a mixing frequency; and

    a digital to analog converter in communication with the digital up converter and configured to provide the radio frequency test signal to the antenna input.

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