CN208622916U - A kind of ceramic dielectric waveguide filter - Google Patents
A kind of ceramic dielectric waveguide filter Download PDFInfo
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- CN208622916U CN208622916U CN201821560337.8U CN201821560337U CN208622916U CN 208622916 U CN208622916 U CN 208622916U CN 201821560337 U CN201821560337 U CN 201821560337U CN 208622916 U CN208622916 U CN 208622916U
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Abstract
The utility model provides a kind of ceramic dielectric waveguide filter.It is integrally formed, reliability and consistency are good, second harmonic is farther, dielectric constant with higher and lower dielectric loss, with high stability, low-loss, it is light-weight, the advantages such as at low cost, preferably meet the development trend of filter miniaturization, including ceramic dielectric block, the surface of the ceramic dielectric block is coated with conductive material, at least 3 groups of resonance holes are provided on the surface of the side of the ceramic dielectric block, it is characterized by: resonance hole described in every group includes at least two symmetrically arranged blind holes, the slot through the ceramic dielectric block is equipped between two adjacent blind holes, adjustable being arranged between two adjacent blind holes of the slot constitutes coupling window, the input blind hole and output blind hole being provided symmetrically on the surface of the other side of the ceramic dielectric block.
Description
Technical field
The utility model relates to wave filter technical fields, and in particular to a kind of ceramic dielectric waveguide filter.
Background technique
Filter is a kind of frequency selective device, specific frequency content in signal can be made to pass through, to greatly decay it
Its frequency content.The filter of traditional waveguide has higher Q value, but volume and weight are larger, high production cost, while not
Conducive to installing and transport.With the development of communication system, it is desirable that filter have filter with low insertion loss, height inhibit, bear power it is big, it is low at
Originally, the features such as miniaturization.
The ceramic dielectric waveguide filter for researching and developing a kind of completely new miniaturization is of great significance.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of ceramic dielectric waveguide filter.It is integrally formed, reliability
Good with consistency, second harmonic is farther, dielectric constant with higher and lower dielectric loss, has high stability, low damage
Consumption, the advantages such as light weight and cost is low, preferably meet the development trend of filter miniaturization.
Its technical solution is such that a kind of ceramic dielectric waveguide filter, including ceramic dielectric block, the ceramic dielectric
The surface of block is coated with conductive material, is provided at least 3 groups of resonance holes, feature on the surface of the side of the ceramic dielectric block
Be: resonance hole described in every group includes at least two symmetrically arranged blind holes, is equipped between two adjacent blind holes through described
The slot of ceramic dielectric block, adjustable being arranged between two adjacent blind holes of the slot constitute coupling window,
The input blind hole and output blind hole being provided symmetrically on the surface of the other side of the ceramic dielectric block.
Further, resonance hole is provided with three groups, is equipped between first group of resonance hole and second group of resonance hole
Cross-like groove, adjustable being arranged between two adjacent blind holes of the arm slot of the cross-like groove constitute coupling
Window, the adjustable setting of strip grooves constitute coupling window, third group between second group of resonance hole and third group resonance hole
Adjustable coupling aperture is provided between two blind holes in resonance hole, the coupling aperture is blind hole.
Further, the bottom in the resonance hole is taper hole.
Further, the bottom of the coupling aperture is taper hole.
Further, the bottom of the input blind hole and the output blind hole is respectively taper hole.
Further, the conductive material is the coat of metal.
Further, the ceramic dielectric block is made of hard ceramic dielectric material.
The ceramic dielectric waveguide filter of the utility model has the advantage that by the way that resonance is arranged in ceramic dielectric block
Slot is arranged in ceramic dielectric block and forms coupling window and coupling aperture for hole, couple the adjustable of window and coupling aperture so that
The coupling amount for coupling window and coupling aperture is adjustable, so that the intensity of coupling window is higher, so that ceramic dielectric guide filter
The integral strength of device is more preferable, and ceramic dielectric block is an integral molding structure, and has compared with the Medium Wave Guide of tradition splicing preferable
Reliability and consistency, the resonant cavity that blind hole is constituted second harmonic compared with single blocky resonant cavity is farther, the utility model
Ceramic dielectric block use hard ceramic dielectric material, dielectric constant with higher and lower dielectric loss, can more added with
The support construction of effect, while there are the advantages such as high stability, low-loss, light weight and cost be low, it is small preferably to meet filter
The development trend of type.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the ceramic dielectric waveguide filter of the utility model；
Fig. 2 is the perspective diagram of the part-structure of the side view of the ceramic dielectric waveguide filter of the utility model；
Fig. 3 is the backsight structural representation of the ceramic dielectric waveguide filter of the utility model；
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
See Fig. 1, Fig. 2, Fig. 3, a kind of ceramic dielectric waveguide filter of the utility model, including ceramic dielectric block 1, ceramics
Medium block 1 is made of hard ceramic dielectric material, and the surface of ceramic dielectric block 1 is coated with conductive material, and conductive material is metal
Coating, 3 groups of resonance holes 2 are provided on the surface of the side of ceramic dielectric block 1, and the bottom in resonance hole is taper hole 8, every group of resonance
Hole 2 includes two symmetrically arranged blind holes 3, and cross-like groove 4 is equipped between first group of resonance hole 21 and second group of resonance hole 22,
Adjustable being arranged between two adjacent blind holes 3 of the arm slot 41 of cross-like groove constitutes coupling window, 5 size of strip grooves
Adjustable be arranged between second group of resonance hole 22 and third group resonance hole 23 constitutes coupling window, and the two of third group resonance hole 23
It is provided with adjustable coupling aperture 9 between a blind hole 3, coupling aperture 9 is blind hole, on the surface of the other side of ceramic dielectric block 1
The input blind hole 6 and output blind hole 7 being provided symmetrically, input blind hole and the bottom for exporting blind hole are respectively taper hole 8.
Through simulation comparison, second harmonic adds after blind hole second harmonic in the position 6.6G in the position 5.5G not plus when blind hole, blind
The resonant cavity that hole is constituted second harmonic compared with single blocky resonant cavity is farther.
The ceramic dielectric waveguide filter of the utility model has the advantage that by the way that resonance is arranged in ceramic dielectric block
Slot is arranged in ceramic dielectric block and forms coupling window and coupling aperture for hole, couple the adjustable of window and coupling aperture so that
The coupling amount for coupling window and coupling aperture is adjustable, so that the intensity of coupling window is higher, so that ceramic dielectric guide filter
The integral strength of device is more preferable, and ceramic dielectric block is an integral molding structure, and has compared with the Medium Wave Guide of tradition splicing preferable
Reliability and consistency, the resonant cavity that blind hole is constituted second harmonic compared with single blocky resonant cavity is farther, the utility model
Ceramic dielectric block use hard ceramic dielectric material, dielectric constant with higher and lower dielectric loss, can more added with
The support construction of effect, while there are the advantages such as high stability, low-loss, light weight and cost be low, it is small preferably to meet filter
The development trend of type.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. the surface of a kind of ceramic dielectric waveguide filter, including ceramic dielectric block, the ceramic dielectric block is coated with conduction material
Expect, is provided at least 3 groups of resonance holes on the surface of the side of the ceramic dielectric block, it is characterised in that: resonance hole described in every group
The slot through the ceramic dielectric block, institute are equipped with including at least two symmetrically arranged blind holes, between two adjacent blind holes
State slot it is adjustable be arranged between two adjacent blind holes constitute coupling window, the ceramic dielectric block it is another
The input blind hole and output blind hole being provided symmetrically on the surface of side.
2. a kind of ceramic dielectric waveguide filter according to claim 1, it is characterised in that: the resonance hole is provided with three
Group, is equipped with cross-like groove between first group of resonance hole and second group of resonance hole, the arm slot of the cross-like groove is adjustable
Be arranged between two adjacent blind holes constitute coupling window, the adjustable setting of strip grooves is in second group of resonance hole
Coupling window is constituted between third group resonance hole, is provided with adjustable coupling between two blind holes in third group resonance hole
Hole, the coupling aperture are blind hole.
3. a kind of ceramic dielectric waveguide filter according to claim 2, it is characterised in that: the bottom of the coupling aperture
For taper hole.
4. a kind of ceramic dielectric waveguide filter according to claim 1, it is characterised in that: the bottom in the resonance hole
For taper hole.
5. a kind of ceramic dielectric waveguide filter according to claim 1, it is characterised in that: the input blind hole and described
The bottom for exporting blind hole is respectively taper hole.
6. a kind of ceramic dielectric waveguide filter according to claim 1, it is characterised in that: the conductive material is metal
Coating.
7. a kind of ceramic dielectric waveguide filter according to claim 1, it is characterised in that: the ceramic dielectric block is hard
Matter ceramic medium material is made.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821560337.8U CN208622916U (en) | 2018-09-25 | 2018-09-25 | A kind of ceramic dielectric waveguide filter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821560337.8U CN208622916U (en) | 2018-09-25 | 2018-09-25 | A kind of ceramic dielectric waveguide filter |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904570A (en) * | 2019-03-20 | 2019-06-18 | 广东国华新材料科技股份有限公司 | A kind of dielectric waveguide filter |
| CN110112518A (en) * | 2019-06-14 | 2019-08-09 | 广东国华新材料科技股份有限公司 | Bimodulus dielectric waveguide filter |
| CN110112516A (en) * | 2019-06-06 | 2019-08-09 | 广东国华新材料科技股份有限公司 | Dielectric waveguide filter and its tuning methods |
| CN110112519A (en) * | 2019-06-14 | 2019-08-09 | 广东国华新材料科技股份有限公司 | High bandwidth dielectric waveguide filter |
| CN110137638A (en) * | 2019-04-26 | 2019-08-16 | 摩比科技（深圳）有限公司 | Ceramic waveguide filter |
| CN110380164A (en) * | 2019-07-11 | 2019-10-25 | 摩比科技（深圳）有限公司 | Ceramic dielectric waveguide filter |
| CN110416673A (en) * | 2019-05-01 | 2019-11-05 | 扬州江嘉科技有限公司 | A kind of dielectric waveguide filter |
| CN110459840A (en) * | 2019-06-06 | 2019-11-15 | 深圳市大富科技股份有限公司 | Communication equipment, dielectric filter, medium block |
| CN110600841A (en) * | 2019-10-29 | 2019-12-20 | 苏州海瓷达材料科技有限公司 | Capacitance coupling structure of dielectric filter |
| CN110797613A (en) * | 2019-11-15 | 2020-02-14 | 中国电子科技集团公司第二十六研究所 | Dielectric waveguide filter with ten-order and six-notch |
| CN110828947A (en) * | 2019-11-15 | 2020-02-21 | 中国电子科技集团公司第二十六研究所 | Cross-coupling dielectric waveguide filter |
| CN111370816A (en) * | 2019-12-23 | 2020-07-03 | 瑞声科技(新加坡)有限公司 | Ceramic dielectric filter |
| CN111430871A (en) * | 2020-02-19 | 2020-07-17 | 深圳市大富科技股份有限公司 | Dielectric resonator, dielectric filter, transceiver and base station |
| CN111584981A (en) * | 2020-05-18 | 2020-08-25 | 高斯贝尔数码科技股份有限公司 | Dielectric filter |
| CN111613858A (en) * | 2020-06-30 | 2020-09-01 | 瑞声精密制造科技(常州)有限公司 | Dielectric waveguide filter |
| WO2020198979A1 (en) * | 2019-03-29 | 2020-10-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Resonating structure and dielectric filter having the same |
| WO2021127931A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Ceramic dielectric filter |
| WO2021127933A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Dielectric waveguide filter |
| WO2021136389A1 (en) * | 2019-12-31 | 2021-07-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Cwg filter, and ru, au or bs having the same |
| KR20210100432A (en) * | 2020-02-06 | 2021-08-17 | (주)파트론 | Waveguide Filter |
| WO2021177614A1 (en) * | 2020-03-03 | 2021-09-10 | 주식회사 파트론 | Wave guide filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904570A (en) * | 2019-03-20 | 2019-06-18 | 广东国华新材料科技股份有限公司 | A kind of dielectric waveguide filter |
| WO2020198979A1 (en) * | 2019-03-29 | 2020-10-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Resonating structure and dielectric filter having the same |
| US12021287B2 (en) | 2019-03-29 | 2024-06-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Resonating structure for a dielectric filter comprising a dielectric body including offset first and second blind coupling holes with respective defected portions |
| CN110137638A (en) * | 2019-04-26 | 2019-08-16 | 摩比科技（深圳）有限公司 | Ceramic waveguide filter |
| CN110416673A (en) * | 2019-05-01 | 2019-11-05 | 扬州江嘉科技有限公司 | A kind of dielectric waveguide filter |
| CN110459840B (en) * | 2019-06-06 | 2022-02-11 | 深圳市大富科技股份有限公司 | Communication device, dielectric filter, and dielectric block |
| CN110459840A (en) * | 2019-06-06 | 2019-11-15 | 深圳市大富科技股份有限公司 | Communication equipment, dielectric filter, medium block |
| CN110112516A (en) * | 2019-06-06 | 2019-08-09 | 广东国华新材料科技股份有限公司 | Dielectric waveguide filter and its tuning methods |
| CN110112518A (en) * | 2019-06-14 | 2019-08-09 | 广东国华新材料科技股份有限公司 | Bimodulus dielectric waveguide filter |
| CN110112519B (en) * | 2019-06-14 | 2021-03-05 | 广东国华新材料科技股份有限公司 | High bandwidth dielectric waveguide filter |
| CN110112518B (en) * | 2019-06-14 | 2020-11-27 | 广东国华新材料科技股份有限公司 | Dual-mode dielectric waveguide filter |
| CN110112519A (en) * | 2019-06-14 | 2019-08-09 | 广东国华新材料科技股份有限公司 | High bandwidth dielectric waveguide filter |
| CN110380164B (en) * | 2019-07-11 | 2024-05-17 | 摩比科技（深圳）有限公司 | Ceramic dielectric waveguide filter |
| CN110380164A (en) * | 2019-07-11 | 2019-10-25 | 摩比科技（深圳）有限公司 | Ceramic dielectric waveguide filter |
| CN110600841B (en) * | 2019-10-29 | 2024-06-07 | 苏州瑞玛精密工业股份有限公司 | Capacitive coupling structure of dielectric filter |
| CN110600841A (en) * | 2019-10-29 | 2019-12-20 | 苏州海瓷达材料科技有限公司 | Capacitance coupling structure of dielectric filter |
| CN110828947A (en) * | 2019-11-15 | 2020-02-21 | 中国电子科技集团公司第二十六研究所 | Cross-coupling dielectric waveguide filter |
| CN110797613A (en) * | 2019-11-15 | 2020-02-14 | 中国电子科技集团公司第二十六研究所 | Dielectric waveguide filter with ten-order and six-notch |
| CN110797613B (en) * | 2019-11-15 | 2022-03-11 | 中国电子科技集团公司第二十六研究所 | Dielectric waveguide filter with ten-order and six-notch |
| CN111370816A (en) * | 2019-12-23 | 2020-07-03 | 瑞声科技(新加坡)有限公司 | Ceramic dielectric filter |
| WO2021127931A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Ceramic dielectric filter |
| WO2021127933A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Dielectric waveguide filter |
| WO2021136389A1 (en) * | 2019-12-31 | 2021-07-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Cwg filter, and ru, au or bs having the same |
| US11955682B2 (en) | 2019-12-31 | 2024-04-09 | Telefonaktiebolaget Lm Ericsson (Publ) | CWG filter, and RU, AU or BS having the same |
| KR20210100432A (en) * | 2020-02-06 | 2021-08-17 | (주)파트론 | Waveguide Filter |
| KR102337905B1 (en) * | 2020-02-06 | 2021-12-10 | (주)파트론 | Waveguide Filter |
| CN111430871A (en) * | 2020-02-19 | 2020-07-17 | 深圳市大富科技股份有限公司 | Dielectric resonator, dielectric filter, transceiver and base station |
| WO2021177614A1 (en) * | 2020-03-03 | 2021-09-10 | 주식회사 파트론 | Wave guide filter |
| CN111584981A (en) * | 2020-05-18 | 2020-08-25 | 高斯贝尔数码科技股份有限公司 | Dielectric filter |
| WO2022000592A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Dielectric waveguide filter |
| CN111613858A (en) * | 2020-06-30 | 2020-09-01 | 瑞声精密制造科技(常州)有限公司 | Dielectric waveguide filter |
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Address after: 215000 No.65, Chengji Road, Hushuguan Town, high tech Zone, Suzhou City, Jiangsu Province Patentee after: SUZHOU RF TOP ELECTRONIC COMMUNICATIONS Co.,Ltd. Address before: 215129 14 Environmental Protection Industrial Park No. 369 Lushan Road, Suzhou High-tech Zone, Jiangsu Province Patentee before: SUZHOU RF TOP ELECTRONIC COMMUNICATION Co.,Ltd. |