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VARIABLE IMPEDANCE MATCHING NETWORK AND METHOD FOR THE SAME

  • US 20100105425A1
  • Filed: 10/28/2008
  • Published: 04/29/2010
  • Est. Priority Date: 10/28/2008
  • Status: Active Grant
First Claim
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1. A variable matching network for use in a multi-band, multi-mode communications device, comprising:

  • a gross parameter selector configured to select a first set of parameters from a plurality of predefined gross parameters based on one or more operational conditions associated with a given signal;

    a matching optimizer configured to obtain a second set of parameters using an optimization algorithm based on one or more of the operational conditions;

    a parameter combiner configured to obtain overall matching parameters based on the first and second sets of parameters; and

    discrete matching circuitry configurable based on the overall matching parameters to provide dynamic, fine-tune impedance matching.

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