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Simplified quadrant-partitioned array architecture and measure sequence to support mutual-coupling based calibration

  • US 5,864,317 A
  • Filed: 05/23/1997
  • Issued: 01/26/1999
  • Est. Priority Date: 05/23/1997
  • Status: Expired due to Fees
First Claim
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1. A phased array antenna, comprising:

  • an array of radiating elements, arranged in a regular, rhombic lattice in first, second, third and fourth quadrants;

    a quadrant feed network for dividing a feed signal into separate feed signals for each quadrant, the quadrant feed network including first, second, third and fourth quadrant feed transmission lines which take RF signals to and from each quadrant; and

    first, second, third and fourth quadrant test signal switches connected respectively in the first, second, third and fourth feed transmission lines to provide a switch function to selectively interrupt one or more of said feed transmission lines and to provide instead signal paths to a test signal generator.

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