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Apparatus method and computer program for radio-frequency path selection and tuning

  • US 20090285135A1
  • Filed: 05/19/2008
  • Published: 11/19/2009
  • Est. Priority Date: 05/19/2008
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a tunable diplexer comprising a dedicated port, at least a first signal port and a second signal port, and control inputs configured to change at least one of frequency characteristics and phase characteristics of the tunable diplexer;

    a first radio node, a second radio node and a third radio node; and

    path selection circuitry configurable to select between a first signal pathway between the third radio node and the first signal port and a second signal pathway between the third radio node and the second signal port.

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