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Output coupling circuit for a cavity oscillator

  • US 4,462,007 A
  • Filed: 03/05/1981
  • Issued: 07/24/1984
  • Est. Priority Date: 03/05/1980
  • Status: Expired due to Term
First Claim
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1. An oscillator comprising:

  • a cavity resonator having a rectangular cavity comprising a lower wall, an upper wall, a first, a second, a third, and a fourth side wall;

    an oscillator element means for generating an oscillating signal, said oscillator element means being mounted in said cavity resonator on the side of said lower wall at a position which is offset from the center line between said upper and lower walls of said cavity;

    a biasing means for energizing said oscillator element means;

    a waveguide fixed to said first side wall of said cavity resonator for delivering the signal generated by the oscillator element means, said waveguide having a lower wall, an upper wall, and two side walls, the lower wall of said waveguide and said lower wall of said cavity being positioned in the same plane; and

    a signal coupling aperture in said first side wall of said cavity resonator for transmitting said signal generated by said oscillator element means from said resonator to said waveguide, said signal coupling aperture being located on the side of said upper wall of said cavity at a position which is offset from said center line of said cavity and which is offset from the center line between said upper and lower walls of said waveguide.

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