CN208208945U - Built-in isolator waveguide loopback duplexer - Google Patents
Built-in isolator waveguide loopback duplexer Download PDFInfo
- Publication number
- CN208208945U CN208208945U CN201820832860.5U CN201820832860U CN208208945U CN 208208945 U CN208208945 U CN 208208945U CN 201820832860 U CN201820832860 U CN 201820832860U CN 208208945 U CN208208945 U CN 208208945U
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- China
- Prior art keywords
- waveguide
- receiving unit
- emission part
- filter
- isolator
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Abstract
The utility model discloses a kind of built-in isolator waveguide loopback duplexers, it is characterized in that, cover board and cavity, it is linked into an integrated entity by way of fastener and Reflow Soldering between the two, the groove of the cavity includes receiving channel, public passage and transmission channel, and wherein receiving channel is for installing receiving unit, transmission channel for installing emission part；The receiving unit includes receiving port, receiving unit waveguide isolator, receiving unit evaporative pattern waveguide filter, receiving unit ferrite, receives section load, receiving unit filter；The emission part includes emission port, emission part waveguide isolator, emission part evaporative pattern waveguide filter, emission part ferrite, transmitting section load, emission part filter.Advantage: system loss is reduced；Integrated loopback structure, realizes the signal testing function to equipment；Waveguide duplexer cavity built-in evaporative pattern waveguide filter, effectively inhibition higher mode simultaneously, improves distal end and inhibits, guarantee the overall performance of system.
Description
Technical field
The utility model relates to a kind of built-in isolator waveguide loopback duplexers, belong to technical field of micro communication, mainly
The occasion of same set of antenna-feeder system need to be shared for transceiver in microwave communication.
Background technique
Traditional digital microwave receive-transmit system structure is mainly passed through by antenna wave guide with duplexer common waveguide end specific
Mode connect, the transmitting-receiving both ends of duplexer are connected respectively at embedded waveguide isolator again, and flange-type waveguide isolator is last
It is aligned and connect with microwave main board sending and receiving end.The shortcomings that the method, is: being individually added into waveguide between 1 duplexer and microwave main board and is isolated
Device, waveguide isolator cost generally at 100 yuan or more, system individually purchase the cost of waveguide duplexer and waveguide isolator compared with
It is high.2 there are waveguide duplexers and waveguide isolator, the matching connection problem between waveguide isolator and microwave main board, between three
Mainly be fastenedly connected by screw using stepped construction, when mass production triangular mismachining tolerance plus rigging error easily
The dislocation for causing waveguide mouth influences the coaxiality of component, tight when can produce to the transmission of signal especially in high-frequency microwave system
The influence of weight causes system work unsmooth.
In the communications field, to guarantee system worked well, it usually needs the mode of loopback detection carries out function to communication equipment
It can monitor, whether normally receive and emit signal with detection device.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies of existing technologies, and is provided a kind of highly integrated built-in
Isolator waveguide loopback duplexer, reduces the overall cost of digital microwave communication system.
In order to solve the above technical problems, the utility model provides a kind of built-in isolator waveguide loopback duplexer, feature
It is that cover board and cavity are linked into an integrated entity by way of fastener and Reflow Soldering between the two, the groove of the cavity includes connecing
Channel, public passage and transmission channel are received, wherein receiving channel is for installing receiving unit, transmission channel for installing transmitting
Portion, public passage are used to for receiving channel and transmission channel being combined；
The receiving unit mainly includes receiving port, receiving unit waveguide isolator, receiving unit evaporative pattern waveguide filter, connects
Receipts portion ferrite receives section load, and receiving unit filter, wherein receiving port connects receiving unit evaporative pattern waveguide filter, suppression
Higher mode processed realizes that distal end inhibits to require, built-in receiving unit between receiving unit filter and receiving unit evaporative pattern waveguide filter
Waveguide isolator, the waveguide cell center of receiving unit are added quarter-wave impedance and convert step, broaden the work of waveguide isolator
Make frequency band, receiving unit ferrite is placed in waveguide cell (being all referred to as waveguide cell from first impedance transformation step to center) center,
The intracavitary setting receiving unit SmCo magnetic of alinco assembled at the cavity back side；
The emission part mainly includes emission port, emission part waveguide isolator, emission part evaporative pattern waveguide filter, hair
Portion's ferrite, transmitting section load are penetrated, emission part filter, wherein emission port connects emission part evaporative pattern waveguide filter, suppression
Higher mode processed realizes that distal end inhibits to require, and built-in sending and receiving are penetrated between emission part filter and emission part evaporative pattern waveguide filter
Portion leads isolator, and the waveguide cell center of emission part is added quarter-wave impedance and converts step, broadens the work of waveguide isolator
Make frequency band, emission part ferrite is placed in waveguide cell (being all referred to as waveguide cell from first impedance transformation step to center) center,
The intracavitary setting emission part SmCo magnetic of another alinco assembled at the cavity back side；
It is provided with coupling window between the public passage and receiving channel, realizes transmission channel signal in the loopback detection of receiving end
Function.
Further, the reception section load and transmitting section load, which are all made of, tiltedly splits type load, realizes that signal power absorbs.
Further, the receiving unit ferrite and emission part ferrite are all made of single side magnetization configuration.
Further, the receiving unit filter and emission part filter are all made of 8 chamber, 4 zero point structure, realize that client wants
Seek duplexer closely band index.
Further, the waveguide loopback duplexer realized in the form of T-type section common port and receiving unit filter and
The connection of emission part filter.
Further, it is equipped with positioning pin at receiving port and emission port, realizes common port and antenna and sending and receiving end
Mouth is located by connecting with microwave main board active radio frequency intermodule.
Further, the receiving unit and emission part are integrally machined respectively in the receiving channel and transmission channel.
The utility model it is achieved the utility model has the advantages that
1) by built in isolator and in duplexer, structure is more simplified, and reduces system material, reduces system cost；
2) external isolator generally uses the surface treatment mode of electric conductive oxidation, and loss is larger, postpones in isolator in base
In the case that this does not increase cost, but the overall losses of system reduce 0.1dB or so；
3) product has simple loopback structure, can effectively monitor transmission channel signal；
4) built-in evaporative pattern waveguide filter, effectively inhibition higher mode, improve distal end and inhibit；
5) it realizes that waveguide duplexer is connect with the matched well of active radio frequency transceiver module on microwave main board, reduces system damage
Consumption；Integrated loopback structure, realizes the signal testing function to equipment；The built-in evaporative pattern waveguide filter of waveguide duplexer cavity simultaneously
Wave device, effectively inhibition higher mode, improve distal end and inhibit, guarantee the overall performance of system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cavity positive structure schematic of the utility model；
Fig. 3 is the cavity reverse structure schematic of the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
As shown in Figure 1,2 and 3, the utility model provides a kind of built-in isolator waveguide loopback duplexer, by evaporative pattern
Waveguide filter, waveguide isolator, loopback structure are cleverly integrated into waveguide duplexer cavity, logical in entire digital microwave
The mechanical connection for reducing waveguide isolator Yu duplexer and active radio frequency intermodule in letter system, reduces matching problem, mentions
For system performance, have loopback structure, realizes signal monitoring, compact overall structure is simple, and system loss is small, at low cost.
A kind of built-in isolator waveguide loopback duplexer, characterized in that cover board 1 and cavity 2 pass through fastener between the two
And the mode of Reflow Soldering links into an integrated entity, the groove of the cavity includes receiving channel, public passage and transmission channel, wherein
Receiving channel is for installing receiving unit, transmission channel for installing emission part, public passage for receiving channel and transmitting is logical
Road combining；
The receiving unit mainly include receiving port, receiving unit waveguide isolator 3, receiving unit evaporative pattern waveguide filter 4,
Receiving unit ferrite 5 receives section load 6, and receiving unit filter 10, wherein receiving port connects receiving unit evaporative pattern guide filter
Device 4, inhibition higher mode realize that distal end inhibits to require, interior between receiving unit filter 10 and receiving unit evaporative pattern waveguide filter 4
Set receiving unit waveguide isolator 3, the waveguide cell center of receiving unit is added quarter-wave impedance and converts step, broadening waveguide every
Working band from device, receiving unit ferrite 5 are placed in waveguide cell and (are all referred to as waveguide from first impedance transformation step to center
Section) center, the intracavitary setting receiving unit SmCo magnetic 7 of alinco assembled at the cavity back side；
The emission part mainly includes emission port, emission part waveguide isolator 3', emission part evaporative pattern waveguide filter
4', emission part ferrite 5', transmitting section load 6', emission part filter 10', wherein emission port connects emission part evaporative pattern wave
Waveguide filter 4', inhibit higher mode, realize that distal end inhibits to require, emission part filter 11 and emission part evaporative pattern waveguide filter
4'Between built-in connect emission part and lead isolator 3', the waveguide cell center addition quarter-wave impedance transformation step of emission part,
Broaden the working band of waveguide isolator, emission part ferrite 5'It is placed in waveguide cell and (converts step to center from first impedance
All it is referred to as waveguide cell) center, the intracavitary setting emission part SmCo magnetic 7 of another alinco assembled at the cavity back side'；
It is provided with coupling window 8 between the public passage and receiving channel, realizes that loopback of the transmission channel signal in receiving end is examined
Brake.
In the present embodiment, the reception section load 6 and transmitting section load 6'It is all made of and tiltedly splits type load, realize signal power
It absorbs.
In the present embodiment, the receiving unit ferrite 5 and emission part ferrite 5'It is all made of single side magnetization configuration.
In the present embodiment, the receiving unit filter 10 and emission part filter 11 are all made of 8 chamber, 4 zero point structure, realize
Customer requirement duplexer closely band index.
In the present embodiment, the waveguide loopback duplexer realizes common port and receiving unit filter in the form of T-type section
10 and emission part filter 11 connection.
In the present embodiment, it is equipped with positioning pin 9 at receiving port and emission port, realizes common port and antenna and transmitting-receiving
Port is located by connecting with microwave main board active radio frequency intermodule.
In the present embodiment, the receiving unit and emission part are integrally machined respectively in the receiving channel and transmission channel.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (7)
1. a kind of built-in isolator waveguide loopback duplexer, characterized in that cover board and cavity pass through fastener between the two and return
The mode of fluid welding links into an integrated entity, and the groove of the cavity includes receiving channel, public passage and transmission channel, wherein receiving
Channel is for installing receiving unit, transmission channel for installing emission part, public passage for closing receiving channel and transmission channel
Road；
The receiving unit mainly includes receiving port, receiving unit waveguide isolator, receiving unit evaporative pattern waveguide filter, receiving unit
Ferrite receives section load, and receiving unit filter, wherein receiving port connects receiving unit evaporative pattern waveguide filter, receiving unit
The waveguide cell center of built-in receiving unit waveguide isolator between filter and receiving unit evaporative pattern waveguide filter, receiving unit is added
Quarter-wave impedance converts step, broadens the working band of waveguide isolator, and receiving unit ferrite is placed in waveguide cell center,
The intracavitary setting receiving unit SmCo magnetic of alinco assembled at the cavity back side；
The emission part mainly includes emission port, emission part waveguide isolator, emission part evaporative pattern waveguide filter, emission part
Ferrite, transmitting section load, emission part filter, wherein emission port connects emission part evaporative pattern waveguide filter, emission part
The built-in emission part that connects leads isolator between filter and emission part evaporative pattern waveguide filter, and the waveguide cell center of emission part is added
Quarter-wave impedance converts step, broadens the working band of waveguide isolator, and emission part ferrite is placed in waveguide cell center,
The intracavitary setting emission part SmCo magnetic of another alinco assembled at the cavity back side；
Coupling window is provided between the public passage and receiving channel.
2. built-in isolator waveguide loopback duplexer according to claim 1, characterized in that the reception section load and hair
Penetrate section load be all made of tiltedly split type load, realize signal power absorb.
3. built-in isolator waveguide loopback duplexer according to claim 1, characterized in that the receiving unit ferrite and
Emission part ferrite is all made of single side magnetization configuration.
4. built-in isolator waveguide loopback duplexer according to claim 1, characterized in that the receiving unit filter and
Emission part filter is all made of 8 chamber, 4 zero point structure, realizes customer requirement duplexer closely band index.
5. built-in isolator waveguide loopback duplexer according to claim 1, characterized in that the waveguide loopback duplexer
The connection of common port and receiving unit filter and emission part filter is realized in the form of T-type section.
6. built-in isolator waveguide loopback duplexer according to claim 1, characterized in that in receiving port and transmitting terminal
It is equipped with positioning pin at mouthful, realizes that the positioning of common port and antenna and transmitting-receiving port and microwave main board active radio frequency intermodule connects
It connects.
7. built-in isolator waveguide loopback duplexer according to claim 1, characterized in that the receiving unit and emission part
It is integrally machined in the receiving channel and transmission channel respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820832860.5U CN208208945U (en) | 2018-05-31 | 2018-05-31 | Built-in isolator waveguide loopback duplexer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820832860.5U CN208208945U (en) | 2018-05-31 | 2018-05-31 | Built-in isolator waveguide loopback duplexer |
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| Publication Number | Publication Date |
|---|---|
| CN208208945U true CN208208945U (en) | 2018-12-07 |
Family
ID=64516801
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820832860.5U Expired - Fee Related CN208208945U (en) | 2018-05-31 | 2018-05-31 | Built-in isolator waveguide loopback duplexer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430857A (en) * | 2020-05-09 | 2020-07-17 | 中北大学 | T-shaped adjustable filter based on radio frequency MEMS switch |
| CN114628874A (en) * | 2020-12-11 | 2022-06-14 | 华为技术有限公司 | Signal isolator and microwave outdoor unit |
| CN114844513A (en) * | 2022-04-28 | 2022-08-02 | 上海阖煦微波技术有限公司 | Loopback amplitude adjustable design for realizing 7-8GHz multi-band waveguide duplexer by radio frequency cable |
-
2018
- 2018-05-31 CN CN201820832860.5U patent/CN208208945U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430857A (en) * | 2020-05-09 | 2020-07-17 | 中北大学 | T-shaped adjustable filter based on radio frequency MEMS switch |
| CN114628874A (en) * | 2020-12-11 | 2022-06-14 | 华为技术有限公司 | Signal isolator and microwave outdoor unit |
| CN114628874B (en) * | 2020-12-11 | 2023-09-12 | 华为技术有限公司 | Signal isolator and microwave outdoor unit |
| CN114844513A (en) * | 2022-04-28 | 2022-08-02 | 上海阖煦微波技术有限公司 | Loopback amplitude adjustable design for realizing 7-8GHz multi-band waveguide duplexer by radio frequency cable |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20181207 |