Dielectric resonator filter assemblies and methods
First Claim
1. A unitary resonator assembly and mounting structure for use in one of a dielectric resonator filter and a dielectric resonator multiplexer, the one of dielectric resonator filter and dielectric resonator multiplexer having a metallic enclosure, said unitary resonator assembly and mounting structure comprising:
- (a) a first dielectric resonator;
(b) a second dielectric resonator;
(c) at least one bridge for connecting the first and second dielectric resonators;
(d) the first dielectric resonator, the second dielectric resonator and the at least one bridge being integrally formed within a single piece of dielectric substrate; and
(e) said mounting structure for mounting the unitary resonator assembly within the metallic enclosure, the mounting structure defining an assembly support indentation and a spacing border, and being formed from a dielectric material having a low dielectric constant, such that the unitary resonator assembly is insulated from the metallic enclosure when mounted in the mounting structure.
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Accused Products
Abstract
A unitary resonator assembly for use in dielectric resonator filters and multiplexers. The unitary resonator assembly comprises a plurality of resonators joined by bridges, where the resonators and bridges are all constructed from a single piece of a dielectric material. The unitary resonator assemblies may be used in conjunction with unitary mounting structures that support a unitary resonator assembly in a filter or multiplexer. Also disclosed are 2-pole, 4-pole, and triplet filters implementing a unitary resonator assembly in conjunction with a unitary mounting structure, and a diplexer implementing a unitary resonator assembly in conjunction with a unitary mounting structure.
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Citations
20 Claims
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1. A unitary resonator assembly and mounting structure for use in one of a dielectric resonator filter and a dielectric resonator multiplexer, the one of dielectric resonator filter and dielectric resonator multiplexer having a metallic enclosure, said unitary resonator assembly and mounting structure comprising:
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(a) a first dielectric resonator; (b) a second dielectric resonator; (c) at least one bridge for connecting the first and second dielectric resonators; (d) the first dielectric resonator, the second dielectric resonator and the at least one bridge being integrally formed within a single piece of dielectric substrate; and (e) said mounting structure for mounting the unitary resonator assembly within the metallic enclosure, the mounting structure defining an assembly support indentation and a spacing border, and being formed from a dielectric material having a low dielectric constant, such that the unitary resonator assembly is insulated from the metallic enclosure when mounted in the mounting structure. - View Dependent Claims (2, 3, 4)
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5. A dielectric resonator filter comprising a metallic enclosure, a unitary resonator assembly and mounting structure, said unitary resonator assembly and mounting structure comprising:
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(a) a first dielectric resonator; (b) a second dielectric resonator; (c) at least one bridge for connecting the first and second dielectric resonators; (d) the first dielectric resonator, the second dielectric resonator and the at least one bridge being integrally formed within a single piece of dielectric substrate; and (e)said mounting structure for mounting the unitary resonator assembly within the metallic enclosure, the mounting structure defining an assembly support indentation and a spacing border, and being formed from a dielectric material having a low dielectric constant, such that the unitary resonator assembly is insulated from the metallic enclosure when mounted in the mounting structure. - View Dependent Claims (6, 7, 8, 9, 10)
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11. A triplet dielectric resonator filter comprising a unitary resonator assembly, said unitary resonator assembly comprising:
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(a) a first dielectric resonator; (b) a second dielectric resonator; (c) at least one bridge for connecting the first and second dielectric resonators; (d) the first dielectric resonator, the second dielectric resonator and the at least one bridge being integrally formed within a single piece of dielectric substrate; and (e) a conductor strip positioned on the surface of the unitary resonator assembly for negative cross coupling.
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12. A dielectric resonator multiplexer comprising a metallic enclosure and a unitary resonator assembly mounted in a mounting structure, said unitary resonator assembly comprising:
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(a) a first dielectric resonator; (b) a second dielectric resonator; (c) at least one bridge for connecting the first and second dielectric resonators; (d) the first dielectric resonator, the second dielectric resonator and the at least one bridge being integrally formed within a single piece of dielectric substrate; and (e) said mounting structure for mounting the unitary resonator assembly within the metallic enclosure, the mounting structure defining an assembly support indentation and a spacing border, and being formed from a dielectric material having a low dielectric constant, such that the unitary resonator assembly is insulated from the metallic enclosure when mounted in the mounting structure. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A method of manufacturing a unitary resonator assembly and mounting structure for use in one of a dielectric resonator filter and a dielectric resonator multiplexer having a metallic enclosure, said method comprising:
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(a) providing a first dielectric material; (b)forming a unitary resonator assembly by integrally shaping in the first dielectric material a first dielectric resonator, a second dielectric resonator, and at least one bridge for connecting the first and second dielectric resonators; and (c) from a second dielectric material having a low dielectric constant, forming a mounting structure by defining an assembly support indentation and a spacing border, such that the unitary resonator assembly is insulated from the metallic enclosure when mounted in the mounting structure. - View Dependent Claims (19, 20)
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Specification