CN110336104A - It is a kind of to bear the ceramic waveguide device coupled and its implementation for increasing - Google Patents
It is a kind of to bear the ceramic waveguide device coupled and its implementation for increasing Download PDFInfo
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- CN110336104A CN110336104A CN201910694342.0A CN201910694342A CN110336104A CN 110336104 A CN110336104 A CN 110336104A CN 201910694342 A CN201910694342 A CN 201910694342A CN 110336104 A CN110336104 A CN 110336104A
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- negative coupling
- coupling aperture
- hole
- negative
- aperture
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- 239000000919 ceramic Substances 0.000 title claims abstract description 47
- 238000010168 coupling process Methods 0.000 claims abstract description 133
- 230000008878 coupling Effects 0.000 claims abstract description 132
- 238000005859 coupling reaction Methods 0.000 claims abstract description 132
- 238000000034 method Methods 0.000 claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000006263 metalation reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
- H01P11/001—Manufacturing waveguides or transmission lines of the waveguide type
- H01P11/006—Manufacturing dielectric waveguides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/2002—Dielectric waveguide filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
- H01P11/007—Manufacturing frequency-selective devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/16—Dielectric waveguides, i.e. without a longitudinal conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
- H01P5/022—Transitions between lines of the same kind and shape, but with different dimensions
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention relates to a kind of for increasing the ceramic waveguide device and its implementation of negative coupling, including ceramic dielectric resonator, the first debugging hole and the second debugging hole are offered on ceramic dielectric resonator, for debugging the ceramic dielectric resonator resonance frequency where it, the first negative coupling aperture and the second negative coupling aperture are also provided on ceramic dielectric resonator, first negative coupling aperture and the second negative coupling aperture are located between the first debugging hole and the second debugging hole, the opening of first negative coupling aperture and the second negative coupling aperture is reversed, the depth that first negative coupling aperture and the second negative coupling aperture open up constitutes intersection setting, it separately and is oppositely arranged between first negative coupling aperture and the second negative coupling aperture, the part of the first negative coupling aperture and the intersection of the second negative coupling aperture for realizing the ceramic dielectric resonator capacitive coupling.The present invention solves the problems, such as that ceramic waveguide filter difficulty realizes capacitive coupling, promotes the ability inhibited to proximal end frequency.
Description
Technical field
The invention belongs to filter field more particularly to a kind of ceramic waveguide devices and its realization side for increasing negative coupling
Method.
Background technique
With the development of modern communication technology, the miniaturization of communication equipment is a kind of inevitable trend, especially in 5G
Generation, aobvious particularly important of the miniaturization of communication equipment, in 5G communication, filter also always towards miniaturization, however
The device miniaturization requirement of ceramic waveguide filter very good solution, with the development of communication technology, frequency spectrum resource is more and more tighter
It lacks, communications band interval is more and more closer, and corresponding interference also can be increasingly severe, so corresponding filter apparatus requirement is outer to band
Rejection ability require just it is higher and higher.
Patent " dielectric filter, transceiver and base station ", the patent No. 201380046875.9, ceramic waveguide filter
Negative coupling is realized between two frequencies is all the ontology of the bottom and ceramics by the deep coupling aperture (or slot) between two frequencies
Between dielectric thickness realize negative coupling.
As shown in figure 3, the zero frequency position of left and right two that the method for realizing above-mentioned negative coupling simultaneously is realized out is compared
Unanimously, and zero frequency be difficult to carry out due in actual product in use, the both sides Out-of-band rejection requirement of passband may be different
It causes, it is sometimes desirable to which a zero point is higher, another is lower, so zero frequency position makes product when occurring very consistent instead
Design and production are more difficult.
Summary of the invention
In order to solve the above technical problems, the ceramic waveguide device that the object of the present invention is to provide a kind of for increasing negative coupling and
Its implementation.
To achieve the above object, the present invention adopts the following technical scheme:
It is a kind of for increasing the ceramic waveguide device of negative coupling, including ceramic dielectric resonator, the ceramic dielectric resonator
On offer the first debugging hole and second debugging hole, it is described first debugging hole and second debugging hole be blind hole, for debugging it
The ceramic dielectric resonator resonance frequency at place, and be arranged towards same side opening, it is also opened up on the ceramic dielectric resonator
There are a first negative coupling aperture and the second negative coupling aperture, the first negative coupling aperture and the second negative coupling aperture are located at the first debugging hole and the
Between two debugging holes, the first negative coupling aperture and the second negative coupling aperture are blind hole, the first negative coupling aperture and second negative
The opening of coupling aperture is reversed, and the depth that the first negative coupling aperture and the second negative coupling aperture open up constitutes intersection setting, institute
It states between the first negative coupling aperture and the second negative coupling aperture separately and is oppositely arranged, the first negative coupling aperture and the second negative coupling
Capacitive coupling of the part of hole intersection for realizing the ceramic dielectric resonator, the ceramic dielectric resonator, the first debugging
Hole, the second debugging hole, the first negative coupling aperture and the second negative coupling hole surface are all covered with conductive layer.
Preferably, the described first negative coupling aperture and the second negative coupling aperture are identical shape and structure, are square hole, or are circle
Cylindrical hole.
Preferably, the conductive layer is silver layer.
Preferably, the described first negative coupling aperture and the second negative coupling aperture bottom intersection setting.
A method of realizing the negative coupling of ceramic wave guide, which comprises the following steps:
Step 1: being provided with opposite the first negative coupling aperture and second of opening between the first debugging hole and the second debugging hole
Negative coupling aperture；
Step 2: the part of the first negative coupling aperture and the second negative coupling aperture intersection constitutes capacitive coupling, and formula is as follows:
C=K*A/T
Wherein,
K is dielectric constant；
A is the intersecting area of the first negative coupling aperture and the second negative coupling aperture；
T is the relative spacing of the first negative coupling aperture and the second negative coupling aperture.
Preferably, the conductive layer on the first debugging hole and the second debugging hole can remove setting, can adjust frequency.
According to the above aspect of the present invention, the present invention has at least the following advantages:
The present invention is blind by the first coupling slot of Rather, openings and the second coupling slot and first frequency blind hole and second frequency
Hole matches, and solves the problems, such as that ceramic waveguide filter difficulty realizes capacitive coupling, promotes the ability inhibited to proximal end frequency.Together
When can also flexibly adjust the positions of two zero frequencies.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is side view of the invention.
Fig. 3 is existing zero frequency figure；
Fig. 4 is zero frequency figure of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction with attached in the embodiment of the present invention
Figure, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings
Component can arrange and design with a variety of different configurations.Therefore, the implementation of the invention to providing in the accompanying drawings below
The detailed description of example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiment of the present invention, those skilled in the art are obtained all without making creative work
Other embodiments shall fall within the protection scope of the present invention.
Embodiment
As depicted in figs. 1 and 2,
It is a kind of for increasing the ceramic waveguide device of negative coupling, including ceramic dielectric resonator 1, the ceramic dielectric resonator
The first debugging hole 2 and the second debugging hole 3 are offered on 1, the first debugging hole 2 and the second debugging hole 3 are blind hole, for adjusting
The ceramic dielectric resonator resonance frequency where it is tried, and is arranged towards same side opening, on the ceramic dielectric resonator 1 also
The first negative coupling aperture 4 and the second negative coupling aperture 5 are offered, the first negative coupling aperture 4 and the second negative coupling aperture 5 are located at first and adjust
Between prospect hole 2 and the second debugging hole 3, the first negative coupling aperture 4 and the second negative coupling aperture 5 are blind hole, the first negative coupling
The opening for closing hole 4 and the second negative coupling aperture 5 is reversed, the depth that the first negative coupling aperture 4 and the second negative coupling aperture 5 open up
Intersection setting is constituted, separately and is oppositely arranged between the first negative coupling aperture 4 and the second negative coupling aperture 5, described first is negative
Capacitive coupling of the part that coupling aperture 4 and the second negative coupling aperture 5 intersect for realizing the ceramic dielectric resonator 1, the pottery
Ceramic dielectric resonator 1, first is debugged the debugging hole 3 of hole 2, second, the first negative coupling aperture 4 and the second negative 5 surface of coupling aperture and is covered
There is conductive layer.
Heretofore described first negative coupling aperture 4 and the second negative coupling aperture 5 are identical shape and structure, are square hole, or
For cylindrical hole, the shape of the first negative coupling aperture 4 and the second negative coupling aperture 5 is not limited to above-mentioned two kinds, can also be and does not advise
Shape then, only work in-process is conveniently processed into above-mentioned shape due to processing.
Heretofore described conductive layer is silver layer, can specifically be formed by carrying out plating metal to body surface.Gold
Belong to be silver, or other meet metal actually required.
When specific manufacture, the ontology with debugging hole and negative coupling aperture can be obtained by integral forming, then to this
Body carries out surface metalation, such as electroplating surface, to obtain ceramic dielectric resonator.In this way, by the way of integral forming
Ceramic dielectric resonator is obtained, can make its processing technology simpler.
Heretofore described first negative coupling aperture 4 and the second negative 5 bottom of coupling aperture intersection setting.
A method of realizing the negative coupling of ceramic wave guide, comprising the following steps:
Step 1: the first opposite negative coupling aperture 4 of opening and the are provided between the first debugging hole 2 and the second debugging hole 3
Two negative coupling apertures 5；
Step 2: the part that the first negative coupling aperture 4 and the second negative coupling aperture 5 intersect constitutes capacitive coupling, and formula is as follows:
C=K*A/T
Wherein,
K is dielectric constant；
A is the intersecting area of the first negative coupling aperture and the second negative coupling aperture；
T is the relative spacing of the first negative coupling aperture and the second negative coupling aperture.
Specifically, the capacitive coupling on ceramic dielectric resonator is by the first negative coupling aperture and the second negative coupling aperture come real
Now, its zero frequency can be changed by and being clear that by Fig. 4, make it to adapt to different requirements.
Conductive layer on heretofore described first debugging hole 2 and the second debugging hole 3 can remove setting, can adjust frequency
Rate.It is, can be by the partial electroconductive layer in removal debugging hole, to adjust the resonance frequency of the resonator where the debugging hole
Rate.Specifically, the size for the area that can be removed by adjusting the conductive layer in debugging hole, to change the big of resonance frequency
It is small.The area that the part that the conductive layer in the debugging hole is removed can be adjusted by way of polishing, in the embodiment of the present invention
In can not limit.The part that conductive layer is removed can be located at interior bottom or inside portion in debugging hole, can be one
Place, or discontinuous many places can be specifically designed according to actual needs.Pass through the conduction in the blind hole on ontology
The adjusting of layer removed to realize resonance frequency, can make the retentivity of resonance frequency more preferable.
The present invention is blind by the first coupling slot of Rather, openings and the second coupling slot and first frequency blind hole and second frequency
Hole matches, and solves the problems, such as that ceramic waveguide filter difficulty realizes capacitive coupling, promotes the ability inhibited to proximal end frequency.Together
When can also flexibly adjust the positions of two zero frequencies.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of for increasing the ceramic waveguide device of negative coupling, it is characterised in that: including ceramic dielectric resonator (1), the pottery
The first debugging hole (2) and the second debugging hole (3) are offered on ceramic dielectric resonator (1), first debugging hole (2) and second are adjusted
Prospect hole (3) is blind hole, is arranged for debugging the ceramic dielectric resonator resonance frequency where it, and towards same side opening,
The first negative coupling aperture (4) and the second negative coupling aperture (5), the first negative coupling are also provided on the ceramic dielectric resonator (1)
It closes hole (4) and the second negative coupling aperture (5) is located between the first debugging hole (2) and the second debugging hole (3), the first negative coupling aperture
(4) and the second negative coupling aperture (5) is blind hole, and the opening of the first negative coupling aperture (4) and the second negative coupling aperture (5) is set on the contrary
It sets, the depth that the first negative coupling aperture (4) and the second negative coupling aperture (5) open up constitutes intersection setting, the first negative coupling
It separately and is oppositely arranged, the first negative coupling aperture (4) and the second negative coupling aperture between hole (4) and the second negative coupling aperture (5)
(5) capacitive coupling of the part intersected for realizing the ceramic dielectric resonator (1), the ceramic dielectric resonator (1), the
One debugging hole (2), the second debugging hole (3), the first negative coupling aperture (4) and the second negative coupling aperture (5) surface are all covered with conductive layer.
2. according to claim 1 a kind of for increasing the ceramic waveguide device of negative coupling, it is characterised in that: described first is negative
Coupling aperture (4) and the second negative coupling aperture (5) are identical shape and structure, are square hole, or are cylindrical hole.
3. according to claim 1 a kind of for increasing the ceramic waveguide device of negative coupling, it is characterised in that: the conductive layer
For silver layer.
4. according to claim 1 a kind of for increasing the ceramic waveguide device of negative coupling, it is characterised in that: described first is negative
Coupling aperture (4) and the second negative coupling aperture (5) bottom intersection setting.
5. a kind of method for realizing the negative coupling of ceramic wave guide, which comprises the following steps:
Step 1: first debugging hole (2) and second debugging hole (3) between be provided with opening on the contrary the first negative coupling aperture (4) and
Second negative coupling aperture (5)；
Step 2: the part of the first negative coupling aperture (4) and the second negative coupling aperture (5) intersection constitutes capacitive coupling, and formula is as follows:
C=K*A/T
Wherein,
K is dielectric constant；
A is the intersecting area of the first negative coupling aperture and the second negative coupling aperture；
T is the relative spacing of the first negative coupling aperture and the second negative coupling aperture.
6. a kind of method for realizing the negative coupling of ceramic wave guide according to claim 5, it is characterised in that: described first adjusts
Conductive layer on prospect hole (2) and the second debugging hole (3) can remove setting, can adjust frequency.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694342.0A CN110336104A (en) | 2019-07-30 | 2019-07-30 | It is a kind of to bear the ceramic waveguide device coupled and its implementation for increasing |
| KR1020190141191A KR102277419B1 (en) | 2019-07-30 | 2019-11-06 | Ceramic waveguide for increasing negative coupling and implementation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694342.0A CN110336104A (en) | 2019-07-30 | 2019-07-30 | It is a kind of to bear the ceramic waveguide device coupled and its implementation for increasing |
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| CN110336104A true CN110336104A (en) | 2019-10-15 |
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| CN201910694342.0A Pending CN110336104A (en) | 2019-07-30 | 2019-07-30 | It is a kind of to bear the ceramic waveguide device coupled and its implementation for increasing |
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| CN (1) | CN110336104A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111129667A (en) * | 2019-11-25 | 2020-05-08 | 江苏希奥飞尔微电子科技有限公司 | Negative coupling structure applied to dielectric waveguide filter and dielectric waveguide filter |
| CN111370825A (en) * | 2020-04-03 | 2020-07-03 | 南京理工大学 | Balun filter based on ceramic dielectric resonator |
| CN111463529A (en) * | 2020-01-19 | 2020-07-28 | 武汉凡谷陶瓷材料有限公司 | Capacitive coupling device and filter |
| WO2021077379A1 (en) * | 2019-10-24 | 2021-04-29 | 华为技术有限公司 | Band-stop filter and electronic device |
| KR20210126340A (en) * | 2020-04-10 | 2021-10-20 | 주식회사 아이.티.에프 | Waveguide filter with asymmetrical coupling |
| WO2022000620A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Capacitive coupling structure and dielectric waveguide filter |
| US12034195B2 (en) | 2022-04-22 | 2024-07-09 | Huawei Technologies Co., Ltd. | Band-stop filter and electronic device |
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| JPH06303008A (en) * | 1993-04-12 | 1994-10-28 | Matsushita Electric Ind Co Ltd | Dielectric filter |
| CN107534197A (en) * | 2015-11-27 | 2018-01-02 | 华为技术有限公司 | Dielectric filter, transceiver and base station |
| CN108598635A (en) * | 2013-05-31 | 2018-09-28 | 华为技术有限公司 | Dielectric filter, transceiver and base station |
| CN109309272A (en) * | 2018-11-14 | 2019-02-05 | 苏州波发特电子科技有限公司 | A kind of capacitive coupling structure for dielectric filter |
| CN209948008U (en) * | 2019-07-30 | 2020-01-14 | 苏州市协诚五金制品有限公司 | Ceramic waveguide device for increasing negative coupling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11220307A (en) * | 1998-01-30 | 1999-08-10 | Toko Inc | Dielectric filter |
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2019
- 2019-07-30 CN CN201910694342.0A patent/CN110336104A/en active Pending
- 2019-11-06 KR KR1020190141191A patent/KR102277419B1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06303008A (en) * | 1993-04-12 | 1994-10-28 | Matsushita Electric Ind Co Ltd | Dielectric filter |
| CN108598635A (en) * | 2013-05-31 | 2018-09-28 | 华为技术有限公司 | Dielectric filter, transceiver and base station |
| CN107534197A (en) * | 2015-11-27 | 2018-01-02 | 华为技术有限公司 | Dielectric filter, transceiver and base station |
| CN109309272A (en) * | 2018-11-14 | 2019-02-05 | 苏州波发特电子科技有限公司 | A kind of capacitive coupling structure for dielectric filter |
| CN209948008U (en) * | 2019-07-30 | 2020-01-14 | 苏州市协诚五金制品有限公司 | Ceramic waveguide device for increasing negative coupling |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077379A1 (en) * | 2019-10-24 | 2021-04-29 | 华为技术有限公司 | Band-stop filter and electronic device |
| CN114556693A (en) * | 2019-10-24 | 2022-05-27 | 华为技术有限公司 | Band elimination filter and electronic equipment |
| CN111129667A (en) * | 2019-11-25 | 2020-05-08 | 江苏希奥飞尔微电子科技有限公司 | Negative coupling structure applied to dielectric waveguide filter and dielectric waveguide filter |
| CN111129667B (en) * | 2019-11-25 | 2021-02-12 | 江苏希奥飞尔微电子科技有限公司 | Negative coupling structure applied to dielectric waveguide filter and dielectric waveguide filter |
| CN111463529A (en) * | 2020-01-19 | 2020-07-28 | 武汉凡谷陶瓷材料有限公司 | Capacitive coupling device and filter |
| CN111370825A (en) * | 2020-04-03 | 2020-07-03 | 南京理工大学 | Balun filter based on ceramic dielectric resonator |
| KR20210126340A (en) * | 2020-04-10 | 2021-10-20 | 주식회사 아이.티.에프 | Waveguide filter with asymmetrical coupling |
| KR102333921B1 (en) | 2020-04-10 | 2021-12-03 | 주식회사 아이.티.에프 | Waveguide filter with asymmetrical coupling |
| WO2022000620A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Capacitive coupling structure and dielectric waveguide filter |
| US12034195B2 (en) | 2022-04-22 | 2024-07-09 | Huawei Technologies Co., Ltd. | Band-stop filter and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102277419B1 (en) | 2021-07-15 |
| KR20210015575A (en) | 2021-02-10 |
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