[특허]Dielectric waveguide filter with cross-coupling RF signal transmission structure

Dielectric waveguide filter with cross-coupling RF signal transmission structure 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01P-001/20 H01P-007/10 H01P-007/06
출원번호	US-0754212 (2015-06-29)
등록번호	US-9666921 (2017-05-30)
발명자 / 주소	Rogozine, Alexandre Phan, Nam
출원인 / 주소	CTS Corporation
대리인 / 주소	Deneufbourg, Daniel
인용정보	피인용 횟수 : 0 인용 특허 : 90

초록 ▼

A dielectric wave guide filter comprising a block of dielectric material defining a plurality of resonators separated by an interior layer of conductive material. A first direct path for the transmission of an RF signal is defined by the plurality of resonators. An external substrate is coupled to an exterior surface of the block of dielectric material and defines a pair of RF signal input/output transmission vias filled with a conductive material and an interior RF signal transmission line extending between and interconnecting the pair or RF signal input/output transmission vias and providing an indirect cross-coupling path for the RF signal between two of the resonators separated by the interior layer of conductive material.

대표청구항 ▼

1. A waveguide filter comprising: a block of dielectric material;a plurality of resonators defined in the block of dielectric material;an internal layer of conductive material between and separating the plurality of resonators;the plurality of resonators defining a first direct RF signal transmission path for the transmission of an RF signal through the waveguide filter; andan external substrate coupled to an exterior surface of the block of dielectric material, the substrate defining a pair of RF signal input/output transmission vias filled with a conductive material and an interior RF signal transmission line of conductive material extending between and interconnecting the pair of RF signal input/output transmission vias and providing an indirect cross-coupling path for the transmission of a portion of the RF signal between a pair of the plurality of resonators separated by the internal layer of conductive material. 2. The waveguide filter of claim 1 wherein the pair of RF signal input/output transmission vias define respective openings in opposed exterior surfaces of the substrate covered with a layer of the conductive material, the layer of the conductive material defining a ground layer and a pair of isolated RF signal input/output pads surrounding the openings defined in the opposed exterior surfaces of the substrate by the pair of RF signal input/output transmission vias. 3. The waveguide filter of claim 2 wherein the external substrate defines a second plurality of ground vias filled with the conductive material and terminating in respective second openings in the ground layer of the conductive material on the respective exterior surfaces of the substrate. 4. The waveguide filter of claim 3 wherein the external substrate is in the form of a bar that bridges the pair of the plurality of resonators and the internal layer of conductive material. 5. The waveguide filter of claim 3 wherein the eternal substrate is in the form of a base for the block of dielectric material. 6. A waveguide filter comprising: a first block of dielectric material defining first plurality of resonators;a first RF signal input/output electrode defined on the first block of dielectric material;a second block of dielectric material coupled to the first block of dielectric material, the second block of dielectric material defining a second plurality of resonators;a second RF signal input/output electrode defined on the second block of dielectric material;an interior layer of conductive material between and separating the first and second blocks of dielectric material;a first direct generally U-shaped RF signal transmission path defined by the combination of the first and second RF signal input/output electrodes and the first and second plurality of resonators in the first and second blocks of dielectric material; andan external substrate defining a first pair of RF signal input/output transmission vias filled with the conductive material and an interior RF signal transmission line of the conductive material extending between and interconnecting the pair of RF signal input/output transmission vias and providing an indirect cross-coupling path for the transmission of a portion of an RF signal between one of the first plurality of resonators in the first block of dielectric material and one of the second plurality of resonators in the second block of dielectric material. 7. The waveguide filter of claim 6 wherein the pair of RF signal input/output transmission vias terminate in respective openings in opposed exterior surfaces of the substrate, the opposed exterior surfaces of the substrate being covered with a layer of the conductive material, the layer of the conductive material defining a ground layer and a pair of isolated RF signal input/output pads surrounding the openings defined in the opposed exterior surfaces of the substrate by the pair of RF input/output transmission vias. 8. The waveguide filter of claim 7 wherein the external substrate defines a second plurality of ground vias filled with the conductive material and terminating in respective second openings in the ground layer of the conductive material on the respective exterior surfaces of the substrate. 9. The waveguide filter of claim 8 wherein the external substrate is in the form of a bar that bridges two of the plurality of resonators and the internal layer of conductive material. 10. The waveguide filter of claim 8 wherein the external substrate is in the form of a base for the block of dielectric material. 11. The waveguide filter of claim 9 wherein the external substrate includes a region of dielectric material extending over one of the pair of isolated RF signal input/output pads and a portion of the ground layer of the conductive material for tuning the waveguide filter. 12. The waveguide filter of claim 10 further comprising a slot in the external substrate that provides access to the interior RF signal transmission line and allows for trimming the conductive material of the RF signal transmission line for tuning the waveguide filter. 13. An external substrate adapted to be coupled to an exterior surface of a wave guide filter including at least first and second blocks of dielectric material coupled together and separated by an interior layer of conductive material, the first and second blocks of dielectric material defining a plurality of resonators defining a direct RF signal transmission path for the transmission of an RF signal, the substrate defining a pair of RF signal input/output transmission vias filled with the conductive material and an interior RF signal transmission line of the conductive material extending between and interconnecting the pair of RF signal input/output transmission vias and providing an indirect cross-coupling path for the transmission of a portion of the RF signal between one of the resonators in the first block of dielectric material and one of the resonators in the second block of dielectric material. 14. The external substrate of claim 13 in the form of a bar that bridges the one of the resonators in the first block of dielectric material and the one of the resonators in the second block of dielectric material. 15. The external substrate of claim 13 in the form of a mounting base for the first and second blocks of dielectric material.

이 특허에 인용된 특허 (90)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Dielectric waveguide filter with cross-coupling RF signal transmission structure 원문보기

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