CN106450603B - A kind of filter for Base Transmitter part - Google Patents
A kind of filter for Base Transmitter part Download PDFInfo
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- CN106450603B CN106450603B CN201610716176.6A CN201610716176A CN106450603B CN 106450603 B CN106450603 B CN 106450603B CN 201610716176 A CN201610716176 A CN 201610716176A CN 106450603 B CN106450603 B CN 106450603B
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- hole
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- dielectric resonator
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- circular hole
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- 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
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- 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
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Abstract
This application discloses a kind of filters for Base Transmitter part, it is arranged by 2 identical dielectric resonators and is fitted together in such a way that back-to-back form is by welding or bonding, each dielectric resonator column respectively include concatenated at least two dielectric resonator, each dielectric resonator includes the ontology made of solid dielectric material, it is coated on the conductive layer of body surface, and the debugging circular hole in the middle part of ontology, first through hole is offered on the line of symmetry of the two neighboring debugging circular hole, second through-hole and a coupling counterbore, the first through hole and the second through-hole are symmetrically positioned in the two sides of the coupling counterbore, with so that two adjacent dielectric resonators are independent of one another, the coupling counterbore is between two neighboring debugging circular hole, to realize the inductive coupling or magnetic coupling of the two neighboring dielectric resonator.Filter of the invention has many advantages, such as the low, high reliablity of loss, small in size.
Description
Technical field
This application involves communication device components, more particularly to a kind of filter for Base Transmitter part.
Background technique
The high power filter applied in communication system is usually fabricated by metals such as aluminium, copper, magnesium alloys, and volume is big,
It is with high costs.And metal cavity filter when working under high and low temperature environment its frequency converted with temperature inversion significantly, need into
This valuableness and complicated thermostat compensates its temperature.
U.S. Patent application US2014/0077900A1 discloses a kind of dielectric waveguide filter, by humorous in two media
Adjacent resonator is limited by the formation of complicated means 1 or two U-shaped slot formation waveguide IRIS structure between vibration device,
Defect is that U-type groove modification is serious in media ceramic sintering process.
The frequency of traditional dielectric waveguide filter, single dielectric resonator is determined by the length of dielectric resonator
Fixed, since practical filter is usually made of the resonator of different frequency, resonator is not of uniform size, causes filter knot
Structure arrangement is difficult, processing difficulties.
Traditional dielectric waveguide filter, U-shaped or C-shaped channel the presence between two dielectric resonators, increases filtering
The volume of device.
Summary of the invention
The purpose of the present invention is to provide a kind of dielectric waveguide filter, transceiver and base stations, to overcome the prior art
In deficiency.
To achieve the above object, the invention provides the following technical scheme:
The embodiment of the present application discloses a kind of filter for Base Transmitter part, is arranged by 2 identical dielectric resonators
It is fitted together in such a way that back-to-back form is by welding or bonding, each dielectric resonator column respectively include connecting
At least two dielectric resonators, each dielectric resonator includes the ontology made of solid dielectric material, is coated on this body surface
The conductive layer in face and the debugging circular hole in the middle part of ontology, the debugging circular hole is blind hole, for debugging the medium where it
The ontology of the resonance frequency of resonator, All Media resonator included by the dielectric filter constitutes the dielectric resonator
It arranges integrally formed ontology, first through hole, the second through-hole and one is offered on the line of symmetry of the two neighboring debugging circular hole
Counterbore is coupled, the first through hole and the second through-hole are symmetrically positioned in the two sides of the coupling counterbore, with so that adjacent two
The dielectric resonator is independent of one another, and the coupling counterbore is two neighboring to realize between two neighboring debugging circular hole
The inductive coupling or magnetic coupling of the dielectric resonator, the first through hole, the second through-hole and coupling counterbore are to be opened in medium
Round hole in the middle part of resonator column ontology.
Preferably, in the above-mentioned filter for Base Transmitter part, the surface of the dielectric resonator column is formed
Have for the first coupling window by radiofrequency signal, which does not cover the conductive layer.
Preferably, in the above-mentioned filter for Base Transmitter part, the first coupling window corresponds to described
The debugging circular hole of dielectric resonator column border, the first coupling window are in U-shape, and the bottom of U-shaped extends debugging circular hole institute
Side, two ends of the U-shaped extend the side of corresponding dielectric resonator ontology.
Preferably, in the above-mentioned filter for Base Transmitter part, the dielectric resonator column deviate from the tune
The side of examination circular hole is formed with the second coupling window, does not cover conductive layer, two Jie of adjacent coupled at the second coupling window
Back-to-back connection show by the second coupling window cause for gossip between matter resonator column, the radiofrequency signal that dielectric resonator arranges passes through the
Two coupling windows enter its adjacent dielectric resonator column.
Preferably, in the above-mentioned filter for Base Transmitter part, the solid dielectric material is ceramics.
Preferably, in the above-mentioned filter for Base Transmitter part, the conductive layer is silver or copper.
Compared with the prior art, the advantages of the present invention are as follows: dielectric waveguide filter of the invention has loss low, reliable
Property it is high, small in size the advantages that.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 show the stereoscopic schematic diagram of filter in the specific embodiment of the invention 1；
Fig. 2 show the perspective exploded view of filter in the specific embodiment of the invention 1；
Fig. 3 show the cross-sectional view of dielectric waveguide filter in the specific embodiment of the invention 1；
Fig. 4 show the rearview of dielectric waveguide filter in the specific embodiment of the invention 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out detailed retouch
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, those of ordinary skill in the art's every other implementation obtained without making creative work
Example, shall fall within the protection scope of the present invention.
Join shown in Fig. 1 to Fig. 4, in the first embodiment, filter arranges (Medium Wave Guide by 2 identical dielectric resonators
Filter) 101a and 101b fit together in such a way that back-to-back form is by welding or bonding.
Dielectric resonator column 101a includes two concatenated dielectric resonators, and each dielectric resonator includes by solid dielectric
Ontology made of material, the conductive layer for being coated on body surface and debugging circular hole 102a and 103a in the middle part of ontology are adjusted
Trying circular hole 102a and 103a is blind hole, and for debugging the resonance frequency of the dielectric resonator where it, dielectric resonator column are wrapped
The ontology of the All Media resonator included constitutes the dielectric resonator and arranges integrally formed ontology, debugs circular hole 102a and 103a
Line of symmetry on offer first through hole 104a, the second through-hole 105a and coupling a counterbore 106a, first through hole 104a and
Two through-hole 105a are symmetrically positioned in the two sides of coupling counterbore 106a, with so that two adjacent dielectric resonators are independent of one another, coupling
Counterbore 106a is closed between two neighboring debugging circular hole 102a and 103a, to realize the inductance of two neighboring dielectric resonator
Coupling or magnetic coupling, first through hole 104a, the second through-hole 105a and coupling counterbore 106a are to be opened in dielectric waveguide filter sheet
Round hole in the middle part of body.
In the technical scheme, the diameter for debugging circular hole 102a and 103a is identical.
Dielectric resonator column 101b and 101a is identical, repeats no more.
The surface of dielectric resonator column 101a and 101b are respectively formed with for the first coupling window by radiofrequency signal
108a and 108b, the first coupling window area do not cover conductive layer.
Further, the first coupling window corresponds to the debugging circular hole 102a of dielectric resonator column border, the first coupling window
Mouth is preferably in U-shape, and the bottom of U-shaped extends the side where debugging circular hole, and two ends of the U-shaped extend corresponding medium
The side of resonator body.
In the technical scheme, the area of the first coupling window determines strong by the radio frequency rf signal of the coupling window
Degree；First coupling window can also use other shapes.
Dielectric resonator column are formed with the second coupling window 109a away from the side of debugging circular hole, at the second coupling window
Do not cover conductive layer, between two dielectric waveguide filters by the second coupling window 109a and 109b and 110a and
Back-to-back connection is realized between 110b, the radiofrequency signal of dielectric resonator column 101a is adjacent into its by the second coupling window
Dielectric resonator column 101b.
In the technical scheme, between two back-to-back two to be stitched together resonators, a part of metal layer is removed,
Forming a metal-free coupling window (for transmitting radio frequency rf signal between back-to-back two dielectric resonators) makes to carry on the back
Two resonators of back can be mutually coupled.The size of window, shape, window determine to carry on the back relative to the spacing of single resonator
To the stiffness of coupling and coupling polarity (intensity of radio frequency rf signal transmission) between two dielectric resonators of back.
Its working principle is that: radiofrequency signal enters the corresponding dielectric resonance of debugging circular hole 102a from port (109a, 110a)
Device is coupled into the corresponding dielectric resonator of debugging circular hole 103a by coupling counterbore 106a.
In the above-mentioned technical solutions, debugging circular hole included by each dielectric resonator can have 1, can also there is 1
More than, specific quantity can be designed according to actual needs.
In the above-mentioned technical solutions, solid dielectric material is preferably ceramics, ceramics dielectric constant with higher, hardness and
Performance resistant to high temperature is also relatively good, therefore the common solid dielectric material in cost radio-frequency filter field.Certainly, dielectric material
Other materials known to those skilled in the art, such as the high molecular polymer of glass, electrical isolation can be selected.
In the above-mentioned technical solutions, conductive layer is preferably the metal materials such as silver or copper.
Filter provided by the embodiment of the present invention is mainly used for high-power wireless communication base station radio-frequency front-end.
The embodiment of the invention also provides a kind of transceiver, used provided in above-described embodiment in the transceiver
Filter, the filter can be used for being filtered radiofrequency signal.
The embodiment of the invention also provides a kind of base station, the letter of transmitting-receiving provided in above-described embodiment is used in the base station
Machine.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (6)
1. a kind of filter for Base Transmitter part, which is characterized in that arranged by 2 identical dielectric resonators with back-to-back
Form fitted together by way of welding or bonding, each dielectric resonator column respectively include concatenated at least two
A dielectric resonator, each dielectric resonator include the ontology made of solid dielectric material, the conduction for being coated on body surface
Layer and the debugging circular hole in the middle part of dielectric resonator ontology, the debugging circular hole is blind hole, for debugging Jie where it
The resonance frequency of matter resonator, the ontology of All Media resonator included by filter constitute the dielectric resonator column one
It is heavy to offer first through hole, the second through-hole and a coupling on the line of symmetry of the two neighboring debugging circular hole for molding ontology
Hole, the first through hole and the second through-hole are symmetrically positioned in the two sides up and down of the coupling counterbore, with so that adjacent two institutes
It is independent of one another to state dielectric resonator, the coupling counterbore is between two neighboring debugging circular hole, to realize two neighboring institute
The inductive coupling or magnetic coupling of dielectric resonator are stated, the first through hole, the second through-hole and coupling counterbore are humorous to be opened in medium
Vibration device arranges the round hole in the middle part of integrally formed ontology.
2. the filter according to claim 1 for Base Transmitter part, it is characterised in that: the dielectric resonator column
Surface be formed with for by radiofrequency signal first coupling window, this first coupling window area do not cover the conduction
Layer.
3. the filter according to claim 2 for Base Transmitter part, it is characterised in that: the first coupling window
Corresponding to the debugging circular hole of the dielectric resonator column border, the first coupling window is in U-shape, and the bottom of U-shaped extends
The one side where circular hole is debugged, two ends of the U-shaped extend on the top surface of corresponding dielectric resonator ontology, which hangs down
Directly in the line of symmetry of the two neighboring debugging circular hole.
4. the filter according to claim 2 for Base Transmitter part, it is characterised in that: the dielectric resonator column
Side away from the debugging circular hole is formed with the second coupling window, does not cover conductive layer, adjacent coupling at the second coupling window
Back-to-back connection, the radio frequency of dielectric resonator column are showed by the second coupling window cause for gossip between the two dielectric resonators column closed
Signal enters its adjacent dielectric resonator column by the second coupling window.
5. the filter according to claim 1 for Base Transmitter part, it is characterised in that: the solid dielectric material
For ceramics.
6. the filter according to claim 1 for Base Transmitter part, it is characterised in that: the conductive layer be silver or
Copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716176.6A CN106450603B (en) | 2016-08-24 | 2016-08-24 | A kind of filter for Base Transmitter part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716176.6A CN106450603B (en) | 2016-08-24 | 2016-08-24 | A kind of filter for Base Transmitter part |
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| Publication Number | Publication Date |
|---|---|
| CN106450603A CN106450603A (en) | 2017-02-22 |
| CN106450603B true CN106450603B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610716176.6A Active CN106450603B (en) | 2016-08-24 | 2016-08-24 | A kind of filter for Base Transmitter part |
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Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069157A (en) * | 2017-04-25 | 2017-08-18 | 四川省韬光通信有限公司 | A kind of dielectric waveguide filter |
| CN106910968A (en) * | 2017-04-25 | 2017-06-30 | 四川省韬光通信有限公司 | A kind of dielectric waveguide filter |
| CN107248601A (en) * | 2017-06-26 | 2017-10-13 | 广东国华新材料科技股份有限公司 | A kind of wave filter |
| CN107508026A (en) * | 2017-07-24 | 2017-12-22 | 张家港保税区灿勤科技有限公司 | The silver paste welding procedure of wave filter |
| CN108736124B (en) * | 2018-04-03 | 2020-11-10 | 苏州市协诚五金制品有限公司 | Preparation process based on ceramic dielectric filter |
| CN108376818A (en) * | 2018-04-26 | 2018-08-07 | 苏州艾福电子通讯有限公司 | A kind of bimodulus ceramic waveguide filter |
| CN108832240B (en) * | 2018-06-07 | 2024-06-04 | 江苏灿勤科技股份有限公司 | Dielectric waveguide filter capable of improving far-end inhibition |
| CN109149025B (en) * | 2018-08-22 | 2020-12-15 | 京信通信技术(广州)有限公司 | Dielectric waveguide filter and tuning method thereof |
| CN109449557B (en) * | 2018-11-01 | 2024-04-30 | 京信通信技术(广州)有限公司 | Dielectric resonator block, dielectric waveguide filter and coupling structure thereof |
| CN109560355B (en) * | 2018-12-28 | 2024-05-14 | 重庆思睿创瓷电科技有限公司 | Dielectric body for 5G communication, dielectric waveguide filter, radio frequency module and base station |
| CN109509945B (en) * | 2018-12-28 | 2024-05-10 | 重庆思睿创瓷电科技有限公司 | Dielectric body, dielectric waveguide filter, radio frequency module and base station |
| CN111384523A (en) * | 2018-12-31 | 2020-07-07 | 深圳市大富科技股份有限公司 | Dielectric filter, communication equipment, method for preparing dielectric block and dielectric filter |
| CN110224205A (en) * | 2019-05-30 | 2019-09-10 | 江苏灿勤科技股份有限公司 | Surface-mount type dielectric filter containing through-hole type input/output structure |
| US11437691B2 (en) * | 2019-06-26 | 2022-09-06 | Cts Corporation | Dielectric waveguide filter with trap resonator |
| JP7351002B2 (en) * | 2019-09-30 | 2023-09-26 | 華為技術有限公司 | Dielectric filters and communication devices |
| CN113328219B (en) * | 2020-02-28 | 2022-01-11 | 华为技术有限公司 | Dielectric filter and communication apparatus |
| CN111900517A (en) * | 2020-07-28 | 2020-11-06 | 武汉凡谷陶瓷材料有限公司 | Capacitive coupling device and filter |
| WO2023097569A1 (en) * | 2021-12-01 | 2023-06-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Triple-mode resonator and waveguide filter comprising the same |
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| EP3297091B1 (en) * | 2013-05-31 | 2022-01-05 | Huawei Technologies Co., Ltd. | Dielectric filter, transceiver and base station |
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| CN203967220U (en) * | 2014-05-30 | 2014-11-26 | 武汉凡谷电子技术股份有限公司 | Spliced dielectric filter |
| CN105633518A (en) * | 2016-01-04 | 2016-06-01 | 张家港保税区灿勤科技有限公司 | Filter for transceiver and base station |
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| CN106450603A (en) | 2017-02-22 |
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