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TRANSMISSION LINE COUPLING AND COMBINING NETWORK FOR HIGH FREQUENCY ANTENNA ARRAY

  • US 3,824,500 A
  • Filed: 04/19/1973
  • Issued: 07/16/1974
  • Est. Priority Date: 04/19/1973
  • Status: Expired due to Term
First Claim
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1. Transmission line means comprising:

  • signal combiner transmission line network means including first, second, and third hybrid circuit means each having first, second, third, and fourth port means, said first port means of said first hybrid circuit means being coupled with transmitter means, said first port means of said second hybrid circuit means being coupled with the sum channel of receiver means, said second port meaNs of said second hybrid circuit means being coupled with the difference channel of said receiver means, said first and second port means of said third hybrid circuit means being coupled with respective matched terminating energy absorber means, said second port means of said first hybrid circuit means being coupled with said second port means of said second hybrid circuit means, said second port means of said third hybrid circuit means being coupled additionally with the difference channel of said receiver means, and first and second coupling transmission line network means each having first and second pluralities of signal coupling ports, said first plurality of signal coupling ports of said first coupling transmission line network means being coupled in energy exchanging relation with said third port means of said hybrid circuit means, said first plurality of signal coupling ports of said second coupling transmission line network means being coupled in energy exchanging relation with said fourth port means of said hybrid circuit means, and said second plurality of signal coupling ports being coupled with discrete antenna elements of a lineal antenna array.

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