CN110534849A - It is a kind of to introduce capacitively coupled dielectric waveguide filter - Google Patents
It is a kind of to introduce capacitively coupled dielectric waveguide filter Download PDFInfo
- Publication number
- CN110534849A CN110534849A CN201910471663.4A CN201910471663A CN110534849A CN 110534849 A CN110534849 A CN 110534849A CN 201910471663 A CN201910471663 A CN 201910471663A CN 110534849 A CN110534849 A CN 110534849A
- Authority
- CN
- China
- Prior art keywords
- layer
- coupling
- waveguide filter
- metal
- dielectric waveguide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims abstract description 157
- 238000010168 coupling process Methods 0.000 claims abstract description 157
- 238000005859 coupling reaction Methods 0.000 claims abstract description 157
- 239000002184 metal Substances 0.000 claims abstract description 92
- 229910052751 metal Inorganic materials 0.000 claims abstract description 92
- 239000000523 sample Substances 0.000 claims abstract description 75
- 239000007769 metal material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 6
- 238000006880 cross-coupling reaction Methods 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 12
- 239000003989 dielectric material Substances 0.000 description 7
- 230000005684 electric field Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- H01P7/00—Resonators of the waveguide type
- H01P7/10—Dielectric resonators
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Capacitively coupled dielectric waveguide filter is introduced the present invention provides a kind of, multiple resonant elements of the dielectric waveguide filter and at least one coupling window are divided into bottom, middle layer and three layers of top layer, the bottom is dielectric layer, the middle layer is metal Coupling probe, and the top layer is tuning layer；The metal Coupling probe is set in the coupling window to introduce capacitive coupling between at least a pair of of resonant element.Preferably, the metal Coupling probe is set in the coupling window between at least a pair of adjacent resonant element to introduce capacitive coupling；And/or the metal Coupling probe is set to introduce cross-coupling in the coupling window between at least a pair of of non-adjacent resonant unit.Whereby, the present invention can be improved the frequency selective characteristic and Out-of-band rejection characteristic of dielectric waveguide filter, play a significant role to development of the promotion medium waveguide filter in the integrated communication system of Modern Smallization.
Description
Technical field
The present invention relates to the passive filtering device of field of communication technology more particularly to a kind of capacitively coupled media of introducing
Waveguide filter.
Background technique
With the continuous development of modern communication technology, the performance indicator of filter is required also higher and higher.Medium Wave Guide
Because its size is small, Q value is high, Insertion Loss is low etc., characteristics obtain well filter in the high communication system of miniaturization integrated level
Using.But with the continuous development of multi frequency system, the requirement of frequency selective characteristic and Out-of-band rejection characteristic to filter is also got over
Come higher.Introducing capacitive coupling is the frequency selective characteristic for improving filter and an important method of Out-of-band rejection characteristic, In
Realize that the most common method of capacitive coupling is to introduce metal Coupling probe in metal coaxial filter.But for Medium Wave Guide
For filter, the mode for introducing coupling probe is relatively difficult, and there presently does not exist coupling probe is introduced in dielectric filter
Mature technology scheme.
In summary, the existing technology has inconveniences and defects in actual use, so it is necessary to be improved.
Summary of the invention
For above-mentioned defect, capacitively coupled dielectric waveguide filter is introduced the purpose of the present invention is to provide a kind of,
Its frequency selective characteristic that can be improved dielectric waveguide filter and Out-of-band rejection characteristic.
To achieve the goals above, the present invention provides a kind of capacitively coupled dielectric waveguide filter of introducing, the medium
Multiple resonant elements of waveguide filter and at least one coupling window are divided into bottom, middle layer and three layers of top layer, the bottom
For dielectric layer, the middle layer is metal Coupling probe, and the top layer is tuning layer；The institute between at least a pair of of resonant element
It states in coupling window and the metal Coupling probe is set to introduce capacitive coupling.
Dielectric waveguide filter according to the present invention, the coupling between at least a pair of adjacent resonant element
The metal Coupling probe is set in window to introduce capacitive coupling；And/or
The metal Coupling probe is set in the coupling window between at least a pair of of non-adjacent resonant unit to draw
Enter cross-coupling.
Dielectric waveguide filter according to the present invention, the metal Coupling probe be formed in advance be bonded to each other it is described
Between dielectric layer and the tuning layer；Or
The metal Coupling probe is first formed in the dielectric layer or the tuning layer in advance, then again with the tuning layer
Or the dielectric layer is bonded to each other.
Dielectric waveguide filter according to the present invention, the dielectric layer and the tuning layer are made of dielectric material,
The metal Coupling probe is made of metal material；The dielectric layer and the thickness of the tuning layer and the metal Coupling are visited
Needle it is highly relevant.
Dielectric waveguide filter according to the present invention, the tuning layer are equipped with corresponding with multiple resonant elements
Multiple tuning blind holes, it is described tuning blind hole depth greater than, equal to or less than the tuning layer thickness.
Dielectric waveguide filter according to the present invention, the metal Coupling probe are set to the coupling window
The position of center line；Or
The metal Coupling probe is set to the position for deviateing the center line of the coupling window.
Dielectric waveguide filter according to the present invention, the coupling window be set to the adjacent resonant element or
The position of the center line of the non-adjacent resonant unit；Or
The coupling window is set to the center line for deviateing the adjacent resonant element or the non-adjacent resonant unit
Position.
Dielectric waveguide filter according to the present invention, the surface of the dielectric waveguide filter are coated with one first gold medal
Belong to layer；Or
The surface of the dielectric waveguide filter is successively coated with second metal layer, third metal layer from bottom to top, and described
The conductivity of two metal layers is greater than the conductivity of the third metal layer.
Dielectric waveguide filter according to the present invention, the dielectric layer and the tuning layer are independent molding or one
It is body formed.
Dielectric waveguide filter according to the present invention, between the adjacent resonant element or the non-adjacent resonant
Capacitive coupling size between unit and the horizontal windowing size for coupling window and the structure of the metal Coupling probe,
Length, width and highly relevant；Or
An at least grooving is equipped on the dielectric layer bottom of the coupling window.
Present media waveguide filter is divided into three layers, and bottom is dielectric layer, and middle layer is metal Coupling probe, top layer
For tuning layer.The dielectric waveguide filter couples between at least a pair of of resonant element is arranged metal Coupling probe in window
Capacitive coupling is introduced, so that the frequency selective characteristic and Out-of-band rejection characteristic of dielectric waveguide filter, realization principle can be improved
Simply, convenient for design.In addition, there is no need in Medium Wave Guide since metal Coupling probe is set between dielectric layer and tuning layer
It slots on the overlay coating of filter, reduces the leakage of electromagnetic wave, thus more safe and efficient.Preferably, at least one
Capacitive coupling can be realized to metal Coupling probe is arranged in the coupling window between adjacent resonant element；And/or at least one
Cross-coupling can be realized to metal Coupling probe is arranged in the coupling window between non-adjacent resonant unit.Therefore, the present invention can
A transmission zero is respectively generated in passband or so or respectively can generate two transmission zeros in passband or so simultaneously.Whereby, originally
Invention plays a significant role development of the promotion medium waveguide filter in the integrated communication system of Modern Smallization.
Detailed description of the invention
Fig. 1 is the stereogram exploded view that capacitively coupled dielectric waveguide filter is introduced in first embodiment of the invention；
Fig. 2 is metal Coupling probe electric field intensity figure caused in two resonant elements；
Fig. 3 is nonmetallic coupling probe electric field intensity figure caused in two resonant elements；
Fig. 4 A~Fig. 4 F is the concrete shape schematic diagram of metal Coupling probe of the present invention；
Fig. 5 is the perspective structure figure that capacitively coupled dielectric waveguide filter is introduced in second embodiment of the invention；
Fig. 6 is the perspective structure figure that capacitively coupled dielectric waveguide filter is introduced in third embodiment of the invention；
Fig. 7 is the topology diagram that capacitively coupled dielectric waveguide filter is introduced in third embodiment of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments,
The present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
It should be noted that the reference of " one embodiment ", " embodiment ", " example embodiment " etc. is directed in this specification,
The embodiment for referring to description may include specific feature, structure or characteristic, and each embodiment of but not must include this
A little a particular feature, structure, or characteristics.In addition, such statement not refers to the same embodiment.Further, it is combining in fact
When applying example and describing specific feature, structure or characteristic, regardless of either with or without specific description, it has been shown that by such feature, knot
It is in the knowledge of those skilled in the range that structure or characteristic, which are integrated in other embodiments,.
In addition, some vocabulary has been used in specification and subsequent claim to censure specific components or component,
Person with usual knowledge in their respective areas is, it is to be appreciated that manufacturer can call same group with different noun or term
Part or component.This specification and subsequent claim not in such a way that the difference of title is as component or component is distinguished,
But with the difference of component or component functionally as the criterion of differentiation.In specification in the whole text and subsequent claim
" comprising " and "comprising" mentioned in book are an open term, therefore should be construed to " including but not limited to ".In addition,
" connection " word is comprising any direct and indirect means of electrical connection herein.Indirect means of electrical connection includes passing through
Other devices are attached.
The present invention provide it is a kind of introduce capacitively coupled dielectric waveguide filter, the dielectric waveguide filter it is multiple
Resonant element and at least one coupling window are divided into three layers: bottom, middle layer and top layer.The bottom be dielectric layer, it is described in
Interbed is metal Coupling probe, and the top layer is tuning layer.It is coupled in window between at least a pair of of resonant element and metal is set
Coupling probe introduces capacitive coupling, to improve the frequency selective characteristic and Out-of-band rejection characteristic of dielectric waveguide filter.It is preferred that
, setting metal Coupling probe introduces capacitive coupling in the coupling window between at least a pair of adjacent resonant element.
And/or metal Coupling probe is set to introduce intersection coupling in the coupling window between at least a pair of of non-adjacent resonant unit
It closes.Therefore under special topological structure, dielectric waveguide filter respectively can generate a transmission zero in passband or so or exist simultaneously
Passband or so generates two transmission zeros.
Fig. 1 is the stereogram exploded view that capacitively coupled second order dielectric waveguide filter is introduced in first embodiment of the invention.
The dielectric waveguide filter includes two resonant elements 1 and 2, a coupling window 4 and a metal Coupling probe 3.It is described
Dielectric waveguide filter is made of bottom, middle layer and top layer trilaminate material, and bottom and top layer are dielectric material, and middle layer is
Metal material.Specifically, bottom is dielectric layer, middle layer is the coupling layer where metal Coupling probe 3, top layer be with
Tune the tuning layer of blind hole 5.It is coupling window 4 between two resonant elements 1 and 2, metal Coupling probe 3 is placed on coupling window
Connection two resonant elements 1 and 2 introduce capacitive coupling in mouthfuls 4, can be improved dielectric waveguide filter frequency selective characteristic and
Out-of-band rejection characteristic.
Fig. 2 is metal Coupling probe electric field intensity figure caused in two resonant elements, for metal Coupling probe
Field distribution caused by 3, it can be seen that electric field is contrary in resonant element 1 and 2.As a comparison, Fig. 3 is non-gold
Belong to coupling probe electric field intensity figure caused in two resonant elements, electric field when being dielectric material for coupling probe
Distribution, direction of the electric field in resonant element 1 and 2 is identical, therefore can prove that the introducing of metal Coupling probe 3 can be realized
Capacitive coupling between resonant element.
Preferably, the dielectric layer of present media waveguide filter and tuning layer can be independent molding or integrated molding.
The dielectric layer and tuning layer are made of dielectric material.Dielectric material can be the nonmetallic materials such as ceramics.Medium of the invention
The type and production method of material do not limit.The metal Coupling probe 3 is made of metal material.The metal material can
To be copper, silver, gold etc., the high alloy material of other conductivity can also be.Also, the thickness and metal of dielectric layer and tuning layer
Coupling probe 3 it is highly relevant, i.e., the thickness of dielectric layer and tuning layer is determined by the height of metal Coupling probe 3, in total thickness
In the case that degree is certain, the height of metal Coupling probe 3 is higher, and the thickness of dielectric layer is thicker, and the thickness of tuning layer is thinner.
Preferably, it is fitted closely together between the dielectric layer and tuning layer of present media waveguide filter, it cannot
There are gaps.Metal Coupling probe 3 can be formed in advance between the dielectric layer being bonded to each other and tuning layer.Alternatively, metal Coupling probe
3 can first be formed in advance in dielectric layer or tuning layer, then be bonded to each other again with the tuning layer or the dielectric layer.The metal
Coupling probe 3 is produced on the method among bottom and top layer, including but not limited to pre-buried, printing, pressing etc..
Preferably, the tuning layer of present media waveguide filter is equipped with two corresponding with resonant element 1 and 2 tune
Humorous blind hole 5, tune blind hole 5 depth can greater than, equal to or less than tuning layer thickness.
Fig. 4 A~Fig. 4 E is the concrete shape schematic diagram of metal Coupling probe of the present invention, the tool of the metal Coupling probe 3
Shape can be six kinds of rectangle shown in Fig. 4, I-shaped, irregular shape etc., but Fig. 4 only makees exemplary application, and the present invention is simultaneously
Any specific restriction is not made to the shape of metal Coupling probe 3, exists as long as being able to achieve capacitively coupled metal Coupling probe 3
Within the scope of the present invention.
Preferably, the surface of present media waveguide filter is coated with a first metal layer.I.e. dielectric filter is outer
Surface can only plate one layer of metal.Alternatively, the surface of dielectric waveguide filter is successively coated with second metal layer, third from bottom to top
Metal layer, the conductivity of second metal layer are greater than the conductivity of third metal layer.First plated on the surface of dielectric waveguide filter
The high metal of one layer of conductivity, then plate one layer of small metal of conductivity.It has to be noted that the first metal layer of the present invention, second
Metal layer and third metal layer have metal material to be made, but specific metal material type is not intended to limit.
Capacitive coupling size between the adjacent resonant element 1 and 2 of present media waveguide filter with couple window 4
Horizontal windowing size and the structure of metal Coupling probe 3, length, width and highly relevant.It is noted that introducing
Capacitive coupling size can be by structure, length, width and the height of horizontal the windowing size and metal Coupling probe of coupling window 4
Outside degree determines, also it can reduce the vertical of coupling window 4 by being equipped with an at least grooving on the bottom of the dielectric layer of coupling window 4
It is straight to open a window size to increase capacitive coupling.
Although should be appreciated that present invention introduces capacitively coupled dielectric waveguide filters essentially according to the second order medium of Fig. 1
Waveguide filter is described, but it is only a kind of example of present media waveguide filter, is not used to limit this hair
Bright, actually present media waveguide filter can also include quadravalence dielectric waveguide filter, the filtering of six rank Medium Wave Guides
Any order dielectric filter such as device, eight rank dielectric waveguide filters.
Fig. 5 is the perspective structure figure that capacitively coupled quadravalence dielectric waveguide filter is introduced in second embodiment of the invention.
The quadravalence dielectric waveguide filter includes four resonant elements 401~404, a coupling window 500 and a metal Coupling
Probe 600, four are located at the tuning blind hole 701~704 of 401~404 top center of resonant element, wherein each resonant element
401~404 size is all the same.The quadravalence dielectric waveguide filter is made of bottom, middle layer and top layer trilaminate material,
Bottom and top layer are dielectric material, and middle layer is metal material.Specifically, bottom is dielectric layer, middle layer is metal Coupling
Coupling layer where probe 600, top layer are the tuning layer with tuning blind hole 701~704.A pair of of non-adjacent resonant unit 402
And be coupling window 500 between 404, the setting of metal Coupling probe 600 connects non-adjacent resonant list in coupling window 500
Member 402 and 404 introduces cross-coupling, therefore under special topological structure, and dielectric waveguide filter can respectively be produced in passband or so
A raw transmission zero generates two transmission zeros in passband or so simultaneously.
Fig. 6 is the perspective structure figure that capacitively coupled six ranks dielectric waveguide filter is introduced in third embodiment of the invention,
The six ranks dielectric waveguide filter include six resonant elements 101~106, eight for connect six resonant elements 101~
106 coupling window, two metal Coupling probes 201 and 202, six are located at the tune of 101~106 top center of resonant element
Humorous blind hole 301~306.The six ranks dielectric waveguide filter is made of bottom, middle layer and top layer trilaminate material, indsole
Layer and top layer are dielectric material, and middle layer is metal material.Specifically, bottom is dielectric layer, middle layer is metal Coupling spy
Coupling layer where needle 201 and 202, top layer are the tuning layer with tuning blind hole 301~306.Each resonant element 101~
106 size all, the resonance frequency of resonant element 101~106 by top center tuning blind hole 301~306 depth
It adjusts, resonance frequency can also be carried out by the coating of the inner wall when polishing tuning blind hole 301~306 certainly in production micro-
It adjusts.
The specific topological structure of the present embodiment is as shown in fig. 7, the six ranks dielectric waveguide filter includes six resonance lists
First 101~106, input terminals 501 and an output end 502.Between the resonant element 102 and 104 and 104 and 106
Between be capacitive coupling.And other couplings be it is inductive coupled, i.e., between resonant element 101 and 102,101 and of resonant element
It is sense between 103, between resonant element 103 and 104, between resonant element 104 and 105, between resonant element 105 and 106
Property coupling.
The specific effect of the present embodiment is respectively to form a transmission zero in passband or so.Resonant element 102 and 104 it
Between capacitive coupling can control the transmission zero on the right of passband, the capacitive coupling between resonant element 104 and 106 is controllable logical
Transmission zero with the left side.It can respectively form a transmission zero in passband or so, and can be controlled separately.Compared to other realities
Existing capacitively coupled mode, method of the invention have greater flexibility and operability.
Preferably, the metal Coupling probe of present media waveguide filter can be set perpendicular to the sideline of resonant element
It sets.Alternatively, also the sideline of metal Coupling probe and resonant element can be arranged in diagonal line as needed.Metal Coupling probe
It may be disposed at the position of the center line of coupling window.Or metal Coupling probe is set to deviation coupling window as needed
Center line position.
Preferably, the coupling window of present media waveguide filter may be disposed at adjacent resonant element or non-adjacent
The position of the center line of resonant element.Deviate adjacent resonant element or non-alternatively, can also as needed be set to coupling window
The position of the center line of adjacent resonant element.
Preferably, the capacitive coupling size and coupling between the adjacent resonant element or between non-adjacent resonant unit
Close the horizontal windowing size of window and the structure of metal Coupling probe, length, width and highly relevant.Alternatively, by coupling
The dielectric layer bottom for closing window is equipped with an at least grooving, reduces coupling window and opens a window size vertically to increase capacitive coupling.
In conclusion present media waveguide filter is divided into three layers, bottom is dielectric layer, and middle layer is metal Coupling
Probe, top layer are tuning layer.The dielectric waveguide filter couples in window between at least a pair of of resonant element is arranged metal
Coupling probe introduces capacitive coupling, thus can be improved the frequency selective characteristic and Out-of-band rejection characteristic of dielectric waveguide filter,
Realization principle is simple, convenient for design.In addition, due to metal Coupling probe be set between dielectric layer and tuning layer, there is no need to
It slots on the overlay coating of dielectric waveguide filter, reduces the leakage of electromagnetic wave, thus more safe and efficient.Preferably,
Metal Coupling probe is arranged in coupling window between at least a pair of adjacent resonant element can realize capacitive coupling；And/or
Setting metal Coupling probe can realize cross-coupling in coupling window between at least a pair of of non-adjacent resonant unit.Therefore,
The present invention can respectively generate a transmission zero in passband or so or respectively can generate two transmission zeros in passband or so simultaneously.
Whereby, the present invention has important work to development of the promotion medium waveguide filter in the integrated communication system of Modern Smallization
With.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention,
Those skilled in the art make various corresponding changes and modifications, but these corresponding changes in accordance with the present invention
It all should fall within the scope of protection of the appended claims of the present invention with deformation.
Claims (10)
1. a kind of introduce capacitively coupled dielectric waveguide filter, which is characterized in that the dielectric waveguide filter it is multiple humorous
Vibration unit and at least one coupling window are divided into bottom, middle layer and three layers of top layer, and the bottom is dielectric layer, the middle layer
For metal Coupling probe, the top layer is tuning layer；Between at least a pair of of resonant element in the coupling window described in setting
Metal Coupling probe introduces capacitive coupling.
2. dielectric waveguide filter according to claim 1, which is characterized in that between at least a pair of adjacent resonant element
The coupling window in the setting metal Coupling probe introduce capacitive coupling；And/or
The metal Coupling probe is set in the coupling window between at least a pair of of non-adjacent resonant unit to introduce and hand over
Fork coupling.
3. dielectric waveguide filter according to claim 2, which is characterized in that the metal Coupling probe is formed on mutually in advance
Between the dielectric layer and the tuning layer of fitting；Or
The metal Coupling probe is first formed in the dielectric layer or the tuning layer in advance, then again with the tuning layer or described
Dielectric layer is bonded to each other.
4. dielectric waveguide filter according to claim 2, which is characterized in that the dielectric layer and the tuning layer are by being situated between
Material is made, and the metal Coupling probe is made of metal material；The dielectric layer and the thickness of the tuning layer with it is described
Metal Coupling probe it is highly relevant.
5. dielectric waveguide filter according to claim 2, which is characterized in that the tuning layer be equipped with it is multiple described humorous
Shake the corresponding multiple tuning blind holes of unit, the depth of the tuning blind hole greater than, equal to or less than the tuning layer thickness.
6. dielectric waveguide filter according to claim 2, which is characterized in that the metal Coupling probe is set to described
Couple the position of the center line of window；Or
The metal Coupling probe is set to the position for deviateing the center line of the coupling window.
7. dielectric waveguide filter according to claim 2, which is characterized in that the coupling window is set to described adjacent
The position of the center line of resonant element or the non-adjacent resonant unit；Or
The coupling window is set to the position for deviateing the center line of the adjacent resonant element or the non-adjacent resonant unit.
8. dielectric waveguide filter according to claim 2, which is characterized in that plate on the surface of the dielectric waveguide filter
There is a first metal layer；Or
The surface of the dielectric waveguide filter is successively coated with second metal layer, third metal layer, second gold medal from bottom to top
The conductivity for belonging to layer is greater than the conductivity of the third metal layer.
9. dielectric waveguide filter according to claim 2, which is characterized in that the dielectric layer and the tuning layer are only
Vertical molding is integrally formed.
10. dielectric waveguide filter according to claim 2, which is characterized in that between the adjacent resonant element or institute
State capacitive coupling size between non-adjacent resonant unit and the windowing size for coupling window and the metal Coupling probe
Structure, length, width and highly relevant；Or
An at least grooving is equipped on the dielectric layer bottom of the coupling window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471663.4A CN110534849A (en) | 2019-05-31 | 2019-05-31 | It is a kind of to introduce capacitively coupled dielectric waveguide filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471663.4A CN110534849A (en) | 2019-05-31 | 2019-05-31 | It is a kind of to introduce capacitively coupled dielectric waveguide filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110534849A true CN110534849A (en) | 2019-12-03 |
Family
ID=68659615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910471663.4A Pending CN110534849A (en) | 2019-05-31 | 2019-05-31 | It is a kind of to introduce capacitively coupled dielectric waveguide filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110534849A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313137A (en) * | 2020-02-25 | 2020-06-19 | 重庆思睿创瓷电科技有限公司 | Capacitive coupling design method for harmonic-adjustable filter |
| WO2021188483A1 (en) * | 2020-03-18 | 2021-09-23 | Cts Corporation | Rf dielectric waveguide filter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1617384A (en) * | 2003-11-13 | 2005-05-18 | 京瓷株式会社 | Dielectric medium resonator, dielectric medium filter and radio communication device |
| RU2557753C1 (en) * | 2014-02-11 | 2015-07-27 | Открытое акционерное общество "Специальное конструкторско-технологическое бюро по релейной технике" (ОАО "СКТБ РТ") | Ceramic bandpass filter based on quasi-stationary resonators |
| CN105359335A (en) * | 2013-06-03 | 2016-02-24 | Cts公司 | Dielectric waveguide filter with direct coupling and alternative cross-coupling |
| CN104604022B (en) * | 2013-05-31 | 2018-04-10 | 华为技术有限公司 | Dielectric filter, transceiver and base station |
| CN108550964A (en) * | 2018-05-09 | 2018-09-18 | 广东通宇通讯股份有限公司 | A kind of ceramic dielectric waveguide filter based on capacitive cross coupling flying bar |
| CN109244615A (en) * | 2018-09-06 | 2019-01-18 | 武汉凡谷电子技术股份有限公司 | A kind of capacitive coupling device and filter |
-
2019
- 2019-05-31 CN CN201910471663.4A patent/CN110534849A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1617384A (en) * | 2003-11-13 | 2005-05-18 | 京瓷株式会社 | Dielectric medium resonator, dielectric medium filter and radio communication device |
| CN104604022B (en) * | 2013-05-31 | 2018-04-10 | 华为技术有限公司 | Dielectric filter, transceiver and base station |
| CN105359335A (en) * | 2013-06-03 | 2016-02-24 | Cts公司 | Dielectric waveguide filter with direct coupling and alternative cross-coupling |
| RU2557753C1 (en) * | 2014-02-11 | 2015-07-27 | Открытое акционерное общество "Специальное конструкторско-технологическое бюро по релейной технике" (ОАО "СКТБ РТ") | Ceramic bandpass filter based on quasi-stationary resonators |
| CN108550964A (en) * | 2018-05-09 | 2018-09-18 | 广东通宇通讯股份有限公司 | A kind of ceramic dielectric waveguide filter based on capacitive cross coupling flying bar |
| CN109244615A (en) * | 2018-09-06 | 2019-01-18 | 武汉凡谷电子技术股份有限公司 | A kind of capacitive coupling device and filter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313137A (en) * | 2020-02-25 | 2020-06-19 | 重庆思睿创瓷电科技有限公司 | Capacitive coupling design method for harmonic-adjustable filter |
| WO2021188483A1 (en) * | 2020-03-18 | 2021-09-23 | Cts Corporation | Rf dielectric waveguide filter |
| US11509029B2 (en) | 2020-03-18 | 2022-11-22 | Cts Corporation | RF dielectric waveguide filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5675301A (en) | Dielectric filter having resonators aligned to effect zeros of the frequency response | |
| CN110137638A (en) | Ceramic waveguide filter | |
| JPH08330806A (en) | Dielectric filter and antenna sharing unit | |
| CN110534849A (en) | It is a kind of to introduce capacitively coupled dielectric waveguide filter | |
| US5436602A (en) | Ceramic filter with a transmission zero | |
| CN109301422A (en) | Model filters power splitter based on half module substrate integrated wave guide | |
| JPS6387801A (en) | Filter whose passing band can be adjusted freely | |
| CN109904570A (en) | A kind of dielectric waveguide filter | |
| CN109950669A (en) | Dielectric waveguide filter | |
| JP2006203907A (en) | Dielectric resonator circuit | |
| JP4101807B2 (en) | Bandpass filter with pseudo-elliptic response | |
| CN108682924A (en) | Substrate integral wave guide filter | |
| CN109193087A (en) | A kind of novel four function filter-divider of high-performance dual-passband | |
| DE60013740T2 (en) | Multimodal dielectric resonator, filter, duplexer, and communication device | |
| US5831495A (en) | Dielectric filter including laterally extending auxiliary through bores | |
| CN111342181A (en) | Dielectric waveguide filter | |
| CN107946710A (en) | Ultra-compact double-frequency bandpass filtering device based on RQMSIW | |
| KR20210027060A (en) | Waveguide filter | |
| KR102662455B1 (en) | Ceramic waveguide filter for antenna | |
| WO2021056415A1 (en) | Ceramic dielectric filter | |
| CN209183691U (en) | Dielectric waveguide filter | |
| CN112382835B (en) | Fully-adjustable cross-coupling dielectric waveguide filter | |
| CN209434359U (en) | A kind of dielectric waveguide filter | |
| CN109509943A (en) | Dielectric waveguide filter | |
| CN209183692U (en) | Dielectric waveguide filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191203 |