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Electronic device with over-the-air wireless self-testing capabilities

  • US 9,960,864 B2
  • Filed: 04/24/2017
  • Issued: 05/01/2018
  • Est. Priority Date: 04/17/2015
  • Status: Active Grant
First Claim
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1. Apparatus, comprising:

  • a first antenna in a first antenna signal path;

    a second antenna in a second antenna signal path;

    wireless circuitry that is configured to transmit an over-the-air antenna signal at a millimeter wave frequency using the first antenna and that is configured to receive the transmitted over-the-air antenna signal from the first antenna using the second antenna;

    control circuitry configured to perform wireless test measurements using the antenna signal received using the second antenna;

    a switching circuit coupled between the first and second antenna signal paths; and

    a coupler interposed on the first antenna signal path and coupled to the second antenna signal path through the switching circuit.

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