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Microwave combiner assembly

  • US 4,291,279 A
  • Filed: 11/16/1979
  • Issued: 09/22/1981
  • Est. Priority Date: 11/16/1979
  • Status: Expired due to Term
First Claim
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1. Microwave apparatus comprising:

  • a coaxial transmission line having a center conductor and an outer conductor, said conductors symmetrically disposed about the longitudinal axis of said line;

    the center conductor having a hollow first section assembly and a second section assembly, each assembly symmetrically disposed about said longitudinal axis;

    said first section assembly having a plurality of segments having edges parallel to said longitudinal axis and positioned to form an interior hollow space of predetermined dimension segments;

    each segment having a first part and a second part of predetermined lengths whereby a slot formed between the longitudinal edges of respective segments in said first part is filled with a lossy dielectric means of predetermined impedance;

    a plurality of diodes each suitable for providing negative resistance each having a first terminal in contact with respective segments in said first part at a predetermined position along said center conductor said diodes being in a radial configuration about said axis, and each diode having a second terminal coupled a heat sink means and to said outer conductor;

    a compression means to secure said heat sink means, diodes, segments, and lossy dielectric means in fixed mechanical relationship to each other and to said axis;

    said second section assembly inserted into said hollow space of the first section assembly and having a conductive means to couple a bias current to each segment and a microwave conductive means to couple microwave signals to said segments; and

    said outer conductor surrounding the combined first section and second section assemblies.

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