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Hybrid horn for dual Ka-band communications

  • US 6,522,306 B1
  • Filed: 10/19/2001
  • Issued: 02/18/2003
  • Est. Priority Date: 10/19/2001
  • Status: Expired due to Term
First Claim
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1. A hybrid corrugated horn for dual band operation at a selected frequency band wherein a window at one end of the band is provided for transmitting information and a window at a second end of the band is provided for receiving information, the horn comprising the following elements considered in combination with one another:

  • a throat segment including circular corrugations that increase linearly in pitch for frequency matching within the transmit and receive windows of the selected band and for input impedance match;

    a middle segment including two conical sub-sections of dual-depth circular corrugations wherein a first conical sub-section flares up in angle and a second conical sub-section flares down in angle to optimize sending and receiving of information within the transmitting and receiving windows of the selected band; and

    a final segment including a smooth-wall, truncated circular cone section having a minor circumference and area for mating with the circumference and area of a last groove of the second flared section of the middle segment of the horn and a major circumference and area that matches the circumference and area of a last web within the horn for radiating modulated energy into space and for receiving modulated energy from space to interchange information.

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