CN208723059U - Ceramic dielectric filter and duplexer - Google Patents
Ceramic dielectric filter and duplexer Download PDFInfo
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- CN208723059U CN208723059U CN201920164600.XU CN201920164600U CN208723059U CN 208723059 U CN208723059 U CN 208723059U CN 201920164600 U CN201920164600 U CN 201920164600U CN 208723059 U CN208723059 U CN 208723059U
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- 239000000919 ceramic Substances 0.000 title claims abstract description 41
- 239000004020 conductor Substances 0.000 claims abstract description 146
- 238000009413 insulation Methods 0.000 claims abstract description 78
- 239000002184 metal Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 238000005192 partition Methods 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 claims description 36
- 238000007639 printing Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of ceramic dielectric filter and duplexer, including medium block, medium block is equipped with row's through hole, and the inner surface of each through hole is equipped with the coat of metal and forms inner conductor layer, and the medium block outer surface for being parallel to perforation axially bored line is equipped with the coat of metal and forms outer conductor layer；Medium block outer surface is equipped with the coat of metal and forms short-circuit face where through hole one end, so that inner conductor layer and outer conductor layer are conductively connected；Medium block outer surface where the through hole other end forms open surface, and open surface is equipped with terminal local conductor layer, and corresponding each through hole is equipped with circuit local conductor layer；The outer surface of medium block is equipped with the connection terminal by conductive path between insulation division partition and outer conductor layer, and medium block outer surface where insulation division, which is equipped with, extends insulation division.The ceramic dielectric filter and duplexer of the utility model, can satisfy the design requirement of filter and duplexer broad passband, while not will increase the difficulty of manufacturing process, reduce the production cost of product to a certain extent.
Description
Technical field
The ceramic dielectric duplexer that the utility model relates to use in the equipment such as wireless mobile communication base station, repeater,
More particularly to a kind of ceramic dielectric filter and duplexer that can satisfy bandwidth requirement.
Background technique
It is more next to the performance requirement of the equipment such as communication base station, repeater with the fast development of wireless mobile telecommunication technology
It is higher, wherein filter and duplexer should have good passband (including passband fluctuation, band as frequency-selecting device in bandwidth
Internal loss etc.), there should be good rejection ability outside bandwidth.
As shown in Fig. 1~2, in currently available technology, Contiuum type ceramic dielectric filter and duplexer have by ceramics
The molding integral type medium block of material, equidirectional on the medium block to offer multiple through holes, each through hole constitutes one
Resonant cavity.By silver-plated formation outer conductor layer on the smooth outer surface in four, the upper and lower, left and right of the medium block, passed through each
Pass through silver-plated formation inner conductor layer on the inner surface of through-hole.The short-circuit face of silver-plated formation, short in the back end outer surface of the medium block
Road surface is electrically connected the inner conductor layer in through hole with the outer conductor layer on medium block, and the leading exterior surface of medium block is as opening
Face corresponds to each through hole on the open surface equipped with circuit local conductor layer.For filter, in the open surface of medium block
On set there are two terminal local conductor layer, separate to be formed by the insulating regions of two strip structures on the lower surface of the medium
Signal input terminal and signal output terminal, the signal input terminal and signal output terminal are held with two on open surface respectively
Sub- local conductor layer is conductively connected.For duplexer, set on the open surface of medium block there are three terminal local conductor layer,
Separate to form transmitting terminal, antenna terminal and receiving end by the insulating regions of three strip structures on the lower surface of the medium
Son, transmitting terminal, antenna terminal and the receiving terminal are conductively connected with three terminal local conductor layers on open surface respectively；Its
Middle antenna terminal receives circuit for connecting for connecting transmit circuit, receiving terminal for connecting antenna, transmitting terminal.
However for above-mentioned Contiuum type ceramic dielectric filter and duplexer, when having higher requirements for pass band width not
It readily satisfies, such as, it is desirable that wider passband.In the past in order to design wider passband, usually powered on by reducing open surface
The mode of the area of clearance for insulation or increasing circuit local conductor layer between road bureau's portion's conductor layer realizes, but, these are often
Rule increase bandwidth means have limitation, on the one hand, even if more than further decreased after a certain range clearance for insulation or into
The area of one step increasing circuit local conductor layer cannot all continue growing bandwidth；On the other hand, reduce clearance for insulation and increase electricity
Road bureau's portion's conductor layer can all improve the difficulty of manufacturing process and the production cost of product.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of ceramic dielectric filter and duplexers, can satisfy
The design requirement of filter and duplexer broad passband, while not will increase the difficulty of manufacturing process, product is reduced to a certain extent
Production cost.
In order to solve the above-mentioned technical problem, the utility model provides a kind of ceramic dielectric filter, including by ceramics
The molding integral type medium block of material, offers row's through hole on the medium block, the axis of the row through hole is parallel,
Side by side；The inner surface of each through hole is equipped with the coat of metal and forms inner conductor layer, in Jie for being parallel to perforation axially bored line
Mass outer surface is equipped with the coat of metal and forms outer conductor layer；Wherein the medium block outer surface where one end is equipped with gold to the through hole
Belong to coating and form short-circuit face, the inner conductor layer and outer conductor layer pass through short-circuit face and be conductively connected；The through hole other end institute
Medium block outer surface form open surface, corresponding to each through hole on the open surface is equipped with circuit local conductor layer, institute
It states circuit local conductor layer and inner conductor layer is conductively connected；Two terminal local conductor layers are additionally provided on the open surface；It is described
Formed on one of outer surface of outer conductor layer and set there are two insulation division on medium block, described two insulation divisions by its institute outside
The outer conductor layer on surface is separated to form signal input terminal and signal output terminal, the signal input terminal and signal output end
Son is conductively connected with two terminal local conductor layers respectively, and the medium block outer surface where the insulation division is additionally provided with extension
Insulation division, partition form signal input terminal and are connected to two insulation divisions of signal output terminal by the extension insulation division.
It further comprise the cuboid knot that the medium block is accumbency placement in one preferred embodiment of the utility model
Structure, the row through hole horizontal cross are arranged on the medium block of rectangular parallelepiped structure.
It further comprise the circuit local conductor layer for based on printing technology in one preferred embodiment of the utility model
Or the metal conductor layer that laser technology is formed；The terminal local conductor layer is to be formed based on printing technology or laser technology
Metal conductor layer.
It further comprise the medium block outer surface where the insulation division is base in one preferred embodiment of the utility model
In the outer conductor layer that printing technology, laser technology or coat of metal technique are formed.
In one preferred embodiment of the utility model, further comprise the insulation division cross section be "U" shaped structure.
In order to solve the above-mentioned technical problem, the utility model additionally provides a kind of ceramic dielectric duplexer, including by making pottery
The molding integral type medium block of ceramic material, row's through hole is offered on the medium block, and the axis of the row through hole is flat
It goes, side by side；The inner surface of each through hole is equipped with the coat of metal and forms inner conductor layer, is being parallel to perforation axially bored line
Medium block outer surface is equipped with the coat of metal and forms outer conductor layer；Medium block outer surface of the through hole wherein where one end is equipped with
The coat of metal forms short-circuit face, and the inner conductor layer and outer conductor layer pass through short-circuit face and be conductively connected；The through hole other end
The medium block outer surface at place forms open surface, corresponds to each through hole on the open surface and is equipped with circuit local conductor layer,
The circuit local conductor layer and inner conductor layer are conductively connected；Three terminal local conductor layers are additionally provided on the open surface；Institute
It gives an account of and is set on the one of outer surface for forming outer conductor layer in mass there are three insulation division, three insulation divisions will be where it
The outer conductor layer of outer surface is separated to form transmitting terminal, receiving terminal and antenna terminal, the transmitting terminal, receiving terminal and day
Line terminals are conductively connected with three terminal local conductor layers respectively, and the medium block outer surface where the insulation division is additionally provided with
Extending insulation division, partition forms transmitting terminal and is connected to two insulation divisions of antenna terminal by the extension insulation division, or/and
Partition forms antenna terminal and is connected to two insulation divisions of receiving terminal by the extension insulation division.
It further comprise the cuboid knot that the medium block is accumbency placement in one preferred embodiment of the utility model
Structure, the row through hole horizontal cross are arranged on the medium block of rectangular parallelepiped structure.
It further comprise the circuit local conductor layer for based on printing technology in one preferred embodiment of the utility model
Or the metal conductor layer that laser technology is formed；The terminal local conductor layer is to be formed based on printing technology or laser technology
Metal conductor layer.
It further comprise the medium block outer surface where the insulation division is base in one preferred embodiment of the utility model
In the outer conductor layer that printing technology, laser technology or coat of metal technique are formed.
In one preferred embodiment of the utility model, further comprise the insulation division cross section be "U" shaped structure.
The utility model has the beneficial effects that the ceramic dielectric filter and duplexer of the utility model, can satisfy filter
The design requirement of wave device and duplexer broad passband, while not will increase the difficulty of manufacturing process, product is reduced to a certain extent
Production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of medium block outer surface where ceramic dielectric filter insulation division in the prior art；
Fig. 2 is the structural schematic diagram of medium block outer surface where ceramic dielectric duplexer insulation division in the prior art；
Fig. 3 is the knot of medium block outer surface where ceramic dielectric filter insulation division in the preferred embodiment in the utility model
Structure schematic diagram；
Fig. 4 is the schematic perspective view of ceramic dielectric duplexer in the preferred embodiment in the utility model；
Fig. 5 is the knot of medium block outer surface where ceramic dielectric duplexer insulation division in the preferred embodiment in the utility model
Structure schematic diagram；
Fig. 6 is ceramic dielectric duplexer in prior art ceramic dielectric duplexer and the preferred embodiment in the utility model
Performance detection comparison diagram.
Figure label explanation: 2- medium block, 4- through hole, 6- inner conductor layer, 8- outer conductor layer, the short circuit face 10-, 12- are opened
Put face, 14- circuit local conductor layer, 16- terminal local conductor layer, 18- insulation division, 20- signal input terminal, 22- signal is defeated
Terminal out, 24- extend insulation division, and 26- emits terminal, 28- antenna terminal, 30- receiving terminal.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Embodiment one
Referring to shown in Fig. 3, the present embodiment discloses a kind of ceramic dielectric filter, including the one by ceramic forming material
Formula medium block 2, medium block 2 are the rectangular parallelepiped structure that accumbency is placed, and row perforation is offered on the medium block 2 of the rectangular parallelepiped structure
Hole 4,4 horizontal cross of row's through hole are arranged on the medium block 2 of rectangular parallelepiped structure, the axis of above-mentioned row through hole is parallel,
Side by side；The inner surface of each above-mentioned through hole 4 is equipped with the coat of metal and forms inner conductor layer 6, is being parallel to 4 axis of through hole
2 outer surface of medium block is equipped with the coat of metal and forms outer conductor layer 8；Above-mentioned through hole 4 wherein 2 outer surface of medium block where one end
Short-circuit face 10 is formed equipped with the coat of metal, above-mentioned inner conductor layer 6 and outer conductor layer 8 pass through short-circuit face 10 and be conductively connected；It is above-mentioned to pass through
2 outer surface of medium block where 4 other end of through-hole forms open surface 12, corresponds to each through hole 4 on above-mentioned open surface 12 and is all provided with
There is circuit local conductor layer 14, foregoing circuit local conductor layer 14 and inner conductor layer 6 are conductively connected；It is also set on above-mentioned open surface 12
There are two terminal local conductor layers 16；It is formed on above-mentioned medium block 2 on one of outer surface of outer conductor layer there are two setting absolutely
Edge 18, above-mentioned two insulation division 18, which separates the outer conductor layer of outer surface where it, to form signal input terminal 20 and signal is defeated
Terminal 22 out, above-mentioned signal input terminal 20 and signal output terminal 22 are conductive with two above-mentioned terminal local conductor layers 16 respectively
It connects, is additionally provided on the medium block outer surface where above-mentioned insulation division 18 and extends insulation division 24, partition forms signal input terminal
20 are connected to two insulation divisions 18 of signal output terminal 22 by above-mentioned extension insulation division 24.
Related content in above-mentioned wave filter technology scheme is explained as follows:
(1) between each circuit local conductor layer 14, between circuit local conductor layer 14 and terminal local conductor layer 16, electricity
All have between insulating between road bureau's portion's conductor layer 14 and outer conductor layer 8 and between terminal local conductor layer 16 and outer conductor layer 8
Gap.
(2) foregoing circuit local conductor layer 14 and terminal local conductor layer 16 are based on printing technology or laser technology shape
At metal conductor layer；Medium block outer surface where above-mentioned insulation division 18 is based on printing technology, laser technology or metal
The outer conductor layer that plating process is formed.
(3) the above-mentioned coat of metal silver-plated, gold-plated, copper facing or can aluminize, wherein and silver-plated and copper facing is easier to implement, and
And the performance of manufactured filter is more preferable.
(4) cross section of above-mentioned insulation division 18 be "U" shaped structure, a 18 shutoff signal input terminal of insulation division and its
The conductive path between outer conductor layer on the medium block outer surface of place, another 18 shutoff signal output terminal of insulation division and its
The conductive path between outer conductor layer on the medium block outer surface of place.
Embodiment two
Referring to shown in Fig. 4~5, the present embodiment discloses a kind of ceramic dielectric duplexer, including by ceramic forming material
Integral type medium block 2, medium block 2 are the rectangular parallelepiped structure that accumbency is placed, and offer a row on the medium block 2 of the rectangular parallelepiped structure
Through hole 4,4 horizontal cross of row's through hole are arranged on the medium block 2 of rectangular parallelepiped structure, and the axis of above-mentioned row through hole is flat
It goes, side by side；The inner surface of each above-mentioned through hole 4 is equipped with the coat of metal and forms inner conductor layer 6, is being parallel to 4 axis of through hole
The medium block outer surface of line is equipped with the coat of metal and forms outer conductor layer 8；Above-mentioned through hole 4 is wherein outside the medium block 2 where one end
Surface is equipped with the coat of metal and forms short-circuit face 10, and above-mentioned inner conductor layer 6 and outer conductor layer 8 pass through short-circuit face 10 and be conductively connected；On
2 outer surface of medium block where stating 4 other end of through hole forms open surface 12, corresponds to each through hole 4 on above-mentioned open surface 12
It is equipped with circuit local conductor layer 14, foregoing circuit local conductor layer 14 and inner conductor layer 6 are conductively connected；On above-mentioned open surface 12
It is additionally provided with three terminal local conductor layers 16；One of outer surface that outer conductor layer is formed on above-mentioned medium block 2 is equipped with three
A insulation division 18, above three insulation division 18 separate the outer conductor layer of outer surface where it to form transmitting terminal 26, receiving end
Son 28 and antenna terminal 30, above-mentioned transmitting terminal 26, receiving terminal 28 and antenna terminal 30 are local with three above-mentioned terminals respectively
Conductor layer 16 is conductively connected, and the medium block outer surface where above-mentioned insulation division 18, which is additionally provided with, extends insulation division 24, and partition forms hair
It penetrates terminal 26 and is connected to 24 by above-mentioned extension insulation division with two insulation divisions 18 of antenna terminal 30, or/and partition forms antenna
Terminal 30 is connected to two insulation divisions of receiving terminal 28 by above-mentioned extension insulation division 24.
Related content in above-mentioned duplexer technical solution is explained as follows:
(1) between each circuit local conductor layer 14, between circuit local conductor layer 14 and terminal local conductor layer 16, electricity
All have between insulating between road bureau's portion's conductor layer 14 and outer conductor layer 8 and between terminal local conductor layer 16 and outer conductor layer 8
Gap.
(2) foregoing circuit local conductor layer 14 and terminal local conductor layer 16 are based on printing technology or laser technology shape
At metal conductor layer；Medium block outer surface where above-mentioned insulation division 18 is based on printing technology, laser technology or metal
The outer conductor layer that plating process is formed.
(3) the above-mentioned coat of metal silver-plated, gold-plated, copper facing or can aluminize, wherein and silver-plated and copper facing is easier to implement, and
And the performance of manufactured filter is more preferable.
(4) there are three terminals for above-mentioned duplexer tool, that is, emit terminal 26, receiving terminal 30 and antenna terminal 28, wherein day
Line terminals 28 receive circuit for connecting for connecting transmitting line, receiving terminal 30 for connecting antenna, transmitting terminal 26,
Transmitting end filter is constituted between antenna terminal 28 and transmitting terminal 26, ditch connects between antenna terminal 28 and receiving terminal 30
Receiving end filter.
(5) cross section of above three insulation division 18 is "U" shaped structure.First cutting transmitting terminal of insulation division 18
Conductive path between 26 and the outer conductor layer 8 where it on medium block outer surface, second insulation division 18 cut off antenna terminal
Conductive path between 28 and the outer conductor layer 8 where it on medium block outer surface, third insulation division 18 cut off receiving terminal
Conductive path between 30 and the outer conductor layer 8 where it on medium block outer surface.
The ceramic dielectric filter and duplexer of the utility model can satisfy setting for filter and duplexer broad passband
Meter requires, while not will increase the difficulty of manufacturing process, reduces the production cost of product to a certain extent.It is embodied such as
Under:
(1) meet the design requirement of broad passband
As shown in figure 5, ceramic dielectric is double in ceramic dielectric duplexer and the present embodiment technical solution in the prior art
The performance detection comparison diagram (after duplexer accesses Network Analyzer, the performance detection figure that is shown in Network Analyzer) of work device,
In, the difference of two kinds of ceramic dielectric duplexers is only in that: the design of 18 place medium block outer surface of insulation division is different, i.e., originally
Have on 18 place medium block outer surface of insulation division in application and extend insulation division 24, extends insulation division 18 for partition and form transmitting
Terminal 26 is connected to two insulation divisions 18 of antenna terminal 28.And duplexer in the prior art is conventional design.
As shown in fig. 6, one times of pass band width or so of bandwidth in the application duplexer passband than prior art duplexer,
It can satisfy the design requirement that duplexer has large bandwidth in the case where the outer dimension of medium block is constant.
(2) difficulty of manufacturing process is not will increase
To meet the requirement of broad passband in the prior art, usually reduction open surface powers on exhausted between road bureau's portion's conductor layer
The area of intermarginal gap or increasing circuit local conductor layer reduces open surface and powers on the clearance for insulation meeting between road bureau's portion's conductor layer
Increase the difficulty of manufacturing process, under the conditions of existing printing technology and laser technology, clearance for insulation minimum can only accomplish
0.1mm, and the smaller technology difficulty of clearance for insulation is bigger.
(3) production cost of product is reduced to a certain extent
Circuit local conductor layer is the metal conductor layer formed based on printing technology or laser technology, wherein silver conductor layer
Best performance, the raw material of silver conductor layer are silver pastes, and the area of circuit local conductor layer means more greatly the consumption of silver paste
It is bigger, being produced into for product will definitely increase by the area of increasing circuit local conductor layer to meet broad passband requirement with this
This.Conversely, will certainly then reduce the production cost of product when the application filter and duplexer meet broad passband requirement.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (10)
1. a kind of ceramic dielectric filter opens up on the medium block including the integral type medium block by ceramic forming material
There is row's through hole, the axis of the row through hole is parallel, arranged side by side；The inner surface of each through hole is equipped with metal-plated
Layer forms inner conductor layer, is equipped with the coat of metal in the medium block outer surface for being parallel to perforation axially bored line and forms outer conductor layer；It is described
Through hole wherein the medium block outer surface where one end be equipped with the coat of metal form short-circuit face, the inner conductor layer and outer conductor layer
It is conductively connected by short-circuit face；Medium block outer surface where the through hole other end forms open surface, on the open surface
Corresponding each through hole is equipped with circuit local conductor layer, and the circuit local conductor layer and inner conductor layer are conductively connected；It is described
Two terminal local conductor layers are additionally provided on open surface；It is formed on one of outer surface of outer conductor layer and is set on the medium block
There are two insulation division, described two insulation divisions separate the outer conductor layer of outer surface where it to form signal input terminal and signal
Output terminal, the signal input terminal and signal output terminal are conductively connected with two terminal local conductor layers respectively,
It is characterized by: the medium block outer surface where the insulation division is additionally provided with extension insulation division, partition forms signal input terminal
It is connected to two insulation divisions of signal output terminal by the extension insulation division.
2. ceramic dielectric filter as described in claim 1, it is characterised in that: the medium block is the rectangular of accumbency placement
Body structure, the row through hole horizontal cross are arranged on the medium block of rectangular parallelepiped structure.
3. ceramic dielectric filter as described in claim 1, it is characterised in that: the circuit local conductor layer is based on print
The metal conductor layer that dataller's skill or laser technology are formed；The terminal local conductor layer is based on printing technology or laser work
The metal conductor layer that skill is formed.
4. ceramic dielectric filter as described in claim 1, it is characterised in that: the medium block appearance where the insulation division
Face is the outer conductor layer formed based on printing technology, laser technology or coat of metal technique.
5. ceramic dielectric filter as described in claim 1, it is characterised in that: the cross section of the insulation division is " U " word
Shape structure.
6. a kind of ceramic dielectric duplexer opens up on the medium block including the integral type medium block by ceramic forming material
There is row's through hole, the axis of the row through hole is parallel, arranged side by side；The inner surface of each through hole is equipped with metal-plated
Layer forms inner conductor layer, is equipped with the coat of metal in the medium block outer surface for being parallel to perforation axially bored line and forms outer conductor layer；It is described
Through hole wherein the medium block outer surface where one end be equipped with the coat of metal form short-circuit face, the inner conductor layer and outer conductor layer
It is conductively connected by short-circuit face；Medium block outer surface where the through hole other end forms open surface, on the open surface
Corresponding each through hole is equipped with circuit local conductor layer, and the circuit local conductor layer and inner conductor layer are conductively connected；It is described
Three terminal local conductor layers are additionally provided on open surface；It is formed on one of outer surface of outer conductor layer and is set on the medium block
There are three insulation division, three insulation divisions separate the outer conductor layer of outer surface where it to form transmitting terminal, receiving terminal
And antenna terminal, the transmitting terminal, receiving terminal and antenna terminal connect with three terminal local conductor layer conductions respectively
Connect, it is characterised in that: the medium block outer surface where the insulation division is additionally provided with extension insulation division, partition formed transmitting terminal and
Two insulation divisions of antenna terminal are connected to by the extension insulation division, or/and partition forms antenna terminal and receiving terminal
Two insulation divisions are connected to by the extension insulation division.
7. ceramic dielectric duplexer as claimed in claim 6, it is characterised in that: the medium block is the rectangular of accumbency placement
Body structure, the row through hole horizontal cross are arranged on the medium block of rectangular parallelepiped structure.
8. ceramic dielectric duplexer as claimed in claim 6, it is characterised in that: the circuit local conductor layer is based on print
The metal conductor layer that dataller's skill or laser technology are formed；The terminal local conductor layer is based on printing technology or laser work
The metal conductor layer that skill is formed.
9. ceramic dielectric duplexer as claimed in claim 6, it is characterised in that: the medium block appearance where the insulation division
Face is the outer conductor layer formed based on printing technology, laser technology or coat of metal technique.
10. ceramic dielectric duplexer as claimed in claim 6, it is characterised in that: the cross section of the insulation division is " U " word
Shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164600.XU CN208723059U (en) | 2019-01-30 | 2019-01-30 | Ceramic dielectric filter and duplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164600.XU CN208723059U (en) | 2019-01-30 | 2019-01-30 | Ceramic dielectric filter and duplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208723059U true CN208723059U (en) | 2019-04-09 |
Family
ID=65983672
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920164600.XU Expired - Fee Related CN208723059U (en) | 2019-01-30 | 2019-01-30 | Ceramic dielectric filter and duplexer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071350A (en) * | 2019-05-23 | 2019-07-30 | 嘉兴佳利电子有限公司 | Dielectric filter |
| CN111146539A (en) * | 2019-12-19 | 2020-05-12 | 南京理工大学 | Ceramic dielectric waveguide duplexer |
| CN112305652A (en) * | 2019-07-26 | 2021-02-02 | 南京大学 | Infrared filter |
| WO2022160432A1 (en) * | 2021-01-26 | 2022-08-04 | 嘉兴佳利电子有限公司 | Novel dielectric filter |
-
2019
- 2019-01-30 CN CN201920164600.XU patent/CN208723059U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071350A (en) * | 2019-05-23 | 2019-07-30 | 嘉兴佳利电子有限公司 | Dielectric filter |
| CN112305652A (en) * | 2019-07-26 | 2021-02-02 | 南京大学 | Infrared filter |
| CN111146539A (en) * | 2019-12-19 | 2020-05-12 | 南京理工大学 | Ceramic dielectric waveguide duplexer |
| WO2022160432A1 (en) * | 2021-01-26 | 2022-08-04 | 嘉兴佳利电子有限公司 | Novel dielectric filter |
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