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Digital matching of a radio frequency antenna

  • US 9,825,659 B2
  • Filed: 06/02/2015
  • Issued: 11/21/2017
  • Est. Priority Date: 06/03/2014
  • Status: Active Grant
First Claim
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1. An antenna system, comprising:

  • an antenna;

    receiver circuitry to process signals received by the antenna, the receiver circuitry including a first electronic component having an input coupled to a port of the antenna; and

    matching circuitry to tune a transfer function between the antenna and the first electronic component, the matching circuitry including a digital circuit block to implement matching, the digital circuit block being coupled to provide feedback to the port of the antenna, wherein the digital circuit block includes;

    an analog-to-digital converter (ADC) to convert a sensed analog input signal to a digital output signal;

    a digital processor to process the digital output signal of the ADC in accordance with a transfer function associated with a matching scheme; and

    a digital-to-analog converter (DAC) to convert a digital output signal of the digital processor to an analog signal.

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