CN208045660U - A kind of multichannel duplexer - Google Patents
A kind of multichannel duplexer Download PDFInfo
- Publication number
- CN208045660U CN208045660U CN201721915209.6U CN201721915209U CN208045660U CN 208045660 U CN208045660 U CN 208045660U CN 201721915209 U CN201721915209 U CN 201721915209U CN 208045660 U CN208045660 U CN 208045660U
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- unit
- filter
- coupling unit
- port
- coupling
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Abstract
The utility model provides a kind of multichannel duplexer comprising：First shell, second shell, the first coupling unit, the second coupling unit, the first filter unit, the second filter unit, third filter unit；First coupling unit, the second coupling unit, the first filter unit, the second filter unit, third filter unit are integrally disposed in the space that first shell and second shell limit, the plurality of passages of shaping filter between each unit, first coupling unit and the second coupling unit are symmetrical arranged, first filter unit is connected between the first coupling unit and the second coupling unit, one end of second filter unit is connected with the first coupling unit, and third filter unit is connected between the first coupling unit and the second coupling unit.The multichannel duplexer of the utility model is conducive to avoid the loss in signal filtering by symmetrically arranged first coupling unit and the second coupling unit, and then ensure that effective work of duplexer.
Description
Technical field
The utility model is related to a kind of filter more particularly to a kind of multichannel duplexers.
Background technology
Duplexer can effectively filter out the frequency other than the frequency point of specific frequency or the frequency point, obtain specific frequency
Signal, or eliminate a specific frequency after signal.However, in the duplexer course of work, inside be susceptible to signal
The case where loss, therefore, in view of the above-mentioned problems, it is necessary to propose further solution.
Utility model content
The purpose of this utility model is to provide a kind of multichannel duplexers, to overcome the deficiencies in the prior art.
To realize that above-mentioned purpose of utility model, the utility model provide a kind of multichannel duplexer comprising：First shell
Body, second shell, the first coupling unit, the second coupling unit, the first filter unit, the second filter unit, third filter unit；
First coupling unit, the second coupling unit, the first filter unit, the second filter unit, third filter unit
It is integrally disposed in the space that the first shell and second shell limit, a plurality of logical of the duplexer is formed between each unit
Road, first coupling unit are symmetrical arranged with second coupling unit, and first filter unit is connected to described first
Between coupling unit and the second coupling unit, one end of second filter unit is connected with first coupling unit, institute
It states third filter unit to be connected between first coupling unit and the second coupling unit, first filter unit includes the
One filter, second filter unit includes second filter, and the third filter unit includes third filter.
The improvement of multichannel duplexer as the utility model, first coupling unit have first port, second
Port, third port, the 4th port, second coupling unit have fifth port, the 6th port, the 7th port, the 8th end
Mouthful.
The improvement of multichannel duplexer as the utility model, first filter unit are connected to the second port
Between fifth port.
The improvement of multichannel duplexer as the utility model, one end of second filter unit and the third end
Mouth is connected.
The improvement of multichannel duplexer as the utility model, the third filter unit are connected to the 4th port and
Between seven ports.
The improvement of multichannel duplexer as the utility model, first coupling unit include the first coupler, institute
It includes the second coupler to state the second coupling unit.
Compared with prior art, the utility model has the beneficial effects that：It is right that the multichannel duplexer of the utility model passes through
The first coupling unit and the second coupling unit for claiming setting, are conducive to avoid the loss in signal filtering, and then ensure that
Effective work of duplexer.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments described in the utility model, for those of ordinary skill in the art, is not making the creative labor
Under the premise of, other drawings may also be obtained based on these drawings.
Fig. 1 is the connection relationship diagram of a specific implementation mode of the multichannel duplexer of the utility model.
Specific implementation mode
The utility model is described in detail in each embodiment shown in below in conjunction with the accompanying drawings, but it should explanation,
These embodiments are not limitation of the utility model, and those of ordinary skill in the art are according to work(made by these embodiments
Energy, method or the equivalent transformation in structure or replacement, belong within the scope of protection of the utility model.
As shown in Figure 1, the multichannel duplexer of the utility model includes：First shell, second shell, the first coupling unit
1, the second coupling unit 2, the first filter unit 3, the second filter unit 4, third filter unit 5.
The first shell is fastened in the second shell, and the first shell and second shell limit the multichannel
The inner space of duplexer.First coupling unit 1, the second coupling unit 2, the first filter unit 3, the second filter unit 4,
Third filter unit 5 is integrally disposed in the space that the first shell and second shell limit.Wherein, it is formed between each unit
The plurality of passages of the duplexer.
In one embodiment, first coupling unit 1 includes the first coupler, and second coupling unit 2 wraps
Include the second coupler.First filter unit 3 includes first filter, and second filter unit 4 includes second filter,
The third filter unit 5 includes third filter.
In order to avoid the loss in signal filtering, and then it ensure that effective work of duplexer, first coupling
Unit 1 and second coupling unit 2 are symmetrical arranged, and first filter unit 3 is connected to first coupling unit 1 and the
Between two coupling units 2, one end of second filter unit 4 is connected with first coupling unit 1, the third filtering
Unit 5 is connected between first coupling unit, 1 and second coupling unit 2.
In one embodiment, first coupling unit 1 has first port, second port, third port, the 4th
Port.Second coupling unit 2 has fifth port, the 6th port, the 7th port, the 8th port.The second port and
There is phase difference between 4th port.
Based on the first coupling unit 1 and the second coupling unit 2 in the above embodiment, first filter unit 3 connects
It is connected between the second port and fifth port.One end of second filter unit 4 is connected with the third port.Institute
Third filter unit 5 is stated to be connected between the 4th port and the 7th port.Wherein, in order to keep between each filter unit
Consistency, the thread between each filter unit and coupling unit are consistent.
In conclusion the multichannel duplexer of the utility model is coupled by symmetrically arranged first coupling unit and second
Unit is conducive to avoid the loss in signal filtering, and then ensure that effective work of duplexer.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of multichannel duplexer, which is characterized in that the multichannel duplexer includes：First shell, second shell, first
Coupling unit, the second coupling unit, the first filter unit, the second filter unit, third filter unit；
First coupling unit, the second coupling unit, the first filter unit, the second filter unit, third filter unit are integrated
It is set in the space that the first shell and second shell limit, forms the plurality of passages of the duplexer between each unit,
First coupling unit is symmetrical arranged with second coupling unit, and first filter unit is connected to first coupling
Between unit and the second coupling unit, one end of second filter unit is connected with first coupling unit, and described
Three filter units are connected between first coupling unit and the second coupling unit, and first filter unit includes the first filter
Wave device, second filter unit includes second filter, and the third filter unit includes third filter.
2. multichannel duplexer according to claim 1, which is characterized in that first coupling unit has first end
Mouth, second port, third port, the 4th port, second coupling unit have fifth port, the 6th port, the 7th port,
8th port has phase difference between the second port and the 4th port.
3. multichannel duplexer according to claim 2, which is characterized in that first filter unit is connected to described
Between Two-port netwerk and fifth port.
4. multichannel duplexer according to claim 2, which is characterized in that one end of second filter unit with it is described
Third port is connected.
5. multichannel duplexer according to claim 2, which is characterized in that the third filter unit is connected to the 4th end
Between mouth and the 7th port.
6. multichannel duplexer according to claim 1, which is characterized in that first coupling unit includes the first coupling
Device, second coupling unit include the second coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721915209.6U CN208045660U (en) | 2017-12-31 | 2017-12-31 | A kind of multichannel duplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721915209.6U CN208045660U (en) | 2017-12-31 | 2017-12-31 | A kind of multichannel duplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208045660U true CN208045660U (en) | 2018-11-02 |
Family
ID=63956539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721915209.6U Expired - Fee Related CN208045660U (en) | 2017-12-31 | 2017-12-31 | A kind of multichannel duplexer |
Country Status (1)
| Country | Link |
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| CN (1) | CN208045660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093881A1 (en) * | 2018-11-07 | 2020-05-14 | 阿里巴巴集团控股有限公司 | Internet of things duplexer |
-
2017
- 2017-12-31 CN CN201721915209.6U patent/CN208045660U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093881A1 (en) * | 2018-11-07 | 2020-05-14 | 阿里巴巴集团控股有限公司 | Internet of things duplexer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20201231 |