Method and apparatus for coupling energy to/from dielectric resonators
First Claim
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1. A dielectric resonator circuit comprising:
- a housing;
a dielectric resonator having a longitudinal axis and positioned within said housing;
a coupling loop for coupling energy to or from said dielectric resonator;
a first mounting post coupled to said dielectric resonator and passing through a hole in said housing for supporting said dielectric resonator relative to said housing; and
a second mounting post coupled to said coupling loop, said second mounting post being hollow and passing through said hole in said housing and being coaxial with said first mounting post, said coupling loop supported on and extending from said second mounting post and surrounding said dielectric resonator;
wherein said dielectric resonator is mounted to said housing via said first mounting post such that said dielectric resonator is longitudinally adjustable relative to said housing and wherein said coupling loop is mounted to said housing via said second mounting post such that said coupling loop is independently longitudinally adjustable relative to said housing and said dielectric resonator.
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Abstract
The invention is a method and apparatus for coupling energy into or out of a dielectric resonator circuit by means of a coupling loop. More particularly, the invention is a method and apparatus for adjustably mounting a coupling loop relative to a resonator, the method and apparatus particularly adapted for use with conical and similar resonators in which the field of interest, typically the TE mode, varies as a function of longitudinal position relative to the resonator.
30 Citations
30 Claims
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1. A dielectric resonator circuit comprising:
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a housing;
a dielectric resonator having a longitudinal axis and positioned within said housing;
a coupling loop for coupling energy to or from said dielectric resonator;
a first mounting post coupled to said dielectric resonator and passing through a hole in said housing for supporting said dielectric resonator relative to said housing; and
a second mounting post coupled to said coupling loop, said second mounting post being hollow and passing through said hole in said housing and being coaxial with said first mounting post, said coupling loop supported on and extending from said second mounting post and surrounding said dielectric resonator;
wherein said dielectric resonator is mounted to said housing via said first mounting post such that said dielectric resonator is longitudinally adjustable relative to said housing and wherein said coupling loop is mounted to said housing via said second mounting post such that said coupling loop is independently longitudinally adjustable relative to said housing and said dielectric resonator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 24)
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22. A dielectric resonator circuit comprising:
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a housing;
an input coupling loop for coupling energy into said dielectric resonator circuit;
a first dielectric resonator positioned within said housing;
a first mounting post having a longitudinal axis on which said input coupling loop is supported surrounding said first dielectric resonator, said first mounting post passing through a first hole in said housing and having a longitudinal through hole, said first counting post adapted such that said input coupling loop is moveable longitudinally relative to said housing;
a second mounting post upon which said dielectric resonator is supported, said second mounting post coaxial with and positioned within said through hole of said first mounting post and adapted to be longitudinally adjustable relative to said first mounting post;
at least one second dielectric resonator positioned to electrically couple with said first dielectric resonator;
a third dielectric resonator positioned within said housing;
an output coupling loop for coupling energy out of said dielectric resonator circuit;
a third mounting post on which said output coupling loop is supported so as to surround said third dielectric resonator, said third mounting post passing through a second hole in said housing and having a longitudinal through hole, said third mounting post configured such that said output coupling loop is moveable longitudinally relative to said housing; and
a fourth mounting post upon which said second dielectric resonator is supported, said fourth mounting post coaxial with and positioned within said through hole of said first mounting post and longitudinally adjustable relative to said third mounting post. - View Dependent Claims (23, 25, 26, 27, 28, 29, 30)
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Specification