CN206349475U - The coupled structure and waveguide duplexer public port coupled structure of a kind of port of wave filter - Google Patents
The coupled structure and waveguide duplexer public port coupled structure of a kind of port of wave filter Download PDFInfo
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- CN206349475U CN206349475U CN201621341220.1U CN201621341220U CN206349475U CN 206349475 U CN206349475 U CN 206349475U CN 201621341220 U CN201621341220 U CN 201621341220U CN 206349475 U CN206349475 U CN 206349475U
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- frequency
- rectangular waveguide
- waveguide
- coupling
- coupled structure
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Abstract
The utility model discloses the coupled structure and waveguide duplexer public port coupled structure of a kind of port of wave filter.By the TH01 patterns that the TE10 patten transformations of waveguide are waveguide.It can solve volume big, the problem of cost is high.Compared with the product that traditional TE10 moulds are designed, the small product size for design of employing new technology only has original less than 1/4, and cost is greatly reduced, and performance does not have much affect, and more facilitates large-scale production.Using the idol structure of new structure, the flexibility of guide filter/waveguide duplexer design is substantially increased.
Description
Technical field
The utility model belongs to electronic communication technology field, the coupled structure and ripple of more particularly to a kind of port of wave filter
Lead duplexer public port coupled structure.
Background technology
Waveguide filter and waveguide duplexer power capacity are big, and insertion loss is small, is widely applied to various channel radios
Interrogate, in the equipment such as radar, electronic countermeasure.
With the development of wireless telecommunications, the demand to waveguide filter and waveguide duplexer is increasing, reduces cost
A new requirement as waveguide filter/duplexer.
Waveguide filter duplexer is due to needing waveguide flange to connect, and waveguide flange space-consuming is than larger and not clever enough
Living, the size for being easily caused waveguide filter/duplexer is larger, and cost is very high.If the traditional design of the use of waveguide filter
Method, i.e., using the Model Design of TE10 moulds, then the guide filter and waveguide duplexer are sufficiently bulky, and cost is high.
The content of the invention
The utility model purpose is that the defect for being directed to the Model Design of existing TE10 moulds uses TH01 moulds there is provided one kind
The coupled structure and waveguide duplexer public port coupled structure of the port of wave filter of design.
The utility model to achieve the above object, is adopted the following technical scheme that:
A kind of coupled structure of port of wave filter, including rectangular waveguide resonant cavity, it is characterised in that:The resonator connects
It is connected on the frequency tuning screw that regulation resonant frequency is provided with the H faces of the rectangular waveguide, the resonator;It is described
Tuning rectangular waveguide is provided with the coupling window of resonator and rectangular waveguide to the coupling tuning screw of resonator coupling amount.
It is further characterized by:The rectangular waveguide end face top is provided with step.
A kind of waveguide duplexer public port coupled structure, including rectangular waveguide and two resonators, it is characterised in that:Institute
It is respectively high-frequency resonant cavity and low-frequency resonant chamber to state two resonators, is separately positioned on two H faces of the rectangular waveguide;Institute
State high-frequency resonant intracavitary and low-frequency resonant intracavitary is respectively arranged with the frequency tuning screw of regulation resonant frequency;The height
At the coupling window of frequency resonator and rectangular waveguide, it is provided with respectively at the coupling window of the low-frequency resonant chamber and rectangular waveguide
Rectangular waveguide is tuned to the coupling tuning screw of two resonator coupling amounts.
It is preferred that:The low-frequency resonant chamber is more than the high-frequency resonant cavity distance apart from the end face distance of the rectangular waveguide
The end face distance of the rectangular waveguide.
Another waveguide duplexer public port coupled structure, including rectangular waveguide and two resonators, it is characterised in that:
The rectangular waveguide is " T " shape structure;Described two resonators are respectively high-frequency resonant cavity and low-frequency resonant chamber, are separately positioned on
On the H faces in two end face directions of the rectangular waveguide;The high-frequency resonant intracavitary and low-frequency resonant intracavitary are respectively arranged with tune
Save the frequency tuning screw of resonant frequency;At the coupling window of the high-frequency resonant cavity and rectangular waveguide, the low frequency
The coupling for being provided with tuning rectangular waveguide to two resonator coupling amounts at the coupling window of resonator and rectangular waveguide respectively is adjusted
Humorous screw.
It is preferred that:There is partition wall in wave-guide cavity wave between high-frequency resonant cavity and the low-frequency resonant chamber.
It is waveguide by the TE10 patten transformations of waveguide the utility model proposes the waveguide of patten transformation form mouthful coupled structure
TH01 patterns.It can solve volume big, the problem of cost is high.Compared with the product that traditional TE10 moulds are designed, using new
The small product size of Technology design only has original less than 1/4, and cost is greatly reduced, and performance does not have much affect, more just
Just large-scale production.Using the idol structure of new structure, the flexible of guide filter/waveguide duplexer design is substantially increased
Property.
Brief description of the drawings
Fig. 1,2 be port of wave filter coupled structure schematic diagram.
Fig. 3,4 are a kind of waveguide duplexer public port coupled structure schematic diagram.
Fig. 5,6 are another waveguide duplexer public port coupled structure schematic diagram.
Embodiment
Fig. 1,2 are a kind of port coupled structures of waveguide filter waveguide mode transition form, by the TE10 patterns of waveguide
Be converted to the TH01 patterns of waveguide.The resonator 2 connected including rectangular waveguide 1 and waveguide filter and rectangular waveguide 1.Resonator
Have in 2 at the frequency tuning screw 3 for tuning the resonant frequency of resonator 2, the coupling window 6 of rectangular waveguide 1 to resonator 2 and have
There is the coupling tuning screw 4 of tuning coupling amount.On the top of rectangular waveguide end face 7, without step, also can may be used as shown in Figure 1, 2
To increase a step in this place, strengthen coupling amount by increasing step, determined with specific reference to required coupling amount.Adjustment is humorous
The diameter of chamber 2 of shaking can adjust the center resonant frequency point of the coupling port, and the size of adjustment coupling window 6, resonator 2 arrives square
The distance of shape ripple end face 7 can adjust the size of coupling amount.Frequency tuning screw 3 and coupling tuning screw 4 can compensate processing
With the error of assembling, the difficulty of reduction processing and production improves the uniformity and qualification rate of product.
Fig. 3,4 are the first novel waveguide duplexer public port coupled structures, and the public coupling port of the duplexer is by one
Individual 13 two resonant cavity compositions of rectangular waveguide 11 and high-frequency resonant cavity 12 and low-frequency resonant chamber, two resonant cavities are set respectively
On two H faces of rectangular waveguide 11;Regulation resonator is respectively arranged with high-frequency resonant cavity 12 and in low-frequency resonant chamber 13 humorous
The frequency tuning screw 17 of vibration frequency;At the coupling window 14 of high-frequency resonant cavity 12 and rectangular waveguide 11, the He of low-frequency resonant chamber 13
The coupling tuning of tuning 11 to two resonator coupling amounts of rectangular waveguide is respectively arranged with the coupling window 15 of rectangular waveguide 11
Screw 18.Total is simply compact.Resonant frequency can be adjusted by the diameter for adjusting resonator;By adjusting coupling window
14th, 15 sizes and resonator can adjust coupling size to the distance of rectangular waveguide end face 16.Because the low frequency one of duplexer
As be more difficult to coupling than high frequency, therefore comparatively low-frequency resonant chamber 13 is greater than high-frequency resonant apart from the distance of rectangular waveguide end face 16
Chamber 12 can thus strengthen the coupling amount of low frequency apart from the distance of rectangular waveguide end face 16.The design is with belt transect frequency tuning screw
17 and coupling tuning screw 18, to make up the error of processing and assembling, production difficulty is reduced, yield rate is improved, reduces cost.
Fig. 5,6 are another novel waveguide duplexer public port coupled structures, and the public coupling port of the duplexer is by one
Individual 23 two resonant cavity compositions of rectangular waveguide 21 and high-frequency resonant cavity 22 and low-frequency resonant chamber, are equally by rectangular waveguide
TE10 patten transformations realize coupled structure into TH01 patterns.The rectangular waveguide 21 is " T " shape structure;Two resonators are set respectively
Put on the H faces in two directions of Waveguide end face 26 of rectangular waveguide 21;With difference in low-frequency resonant chamber 23 in high-frequency resonant cavity 22
It is provided with the frequency tuning screw 28 of regulation resonant frequency;The coupling window 24 of high-frequency resonant cavity 22 and rectangular waveguide 21
Tuning 21 to two resonators of rectangular waveguide are respectively arranged with the coupling window 25 of place, low-frequency resonant chamber 23 and rectangular waveguide 21
The coupling tuning screw 29 of coupling amount.Compare the first common port coupled structure, and the volume of this kind of structure is larger, still
Than there is more preferable isolation between the first high and low frequency, the influence between debugging process medium-high frequency and low frequency is less than first
The influence of structure is planted, therefore with more excellent performance.Wave-guide cavity wave between high-frequency resonant cavity 23 and low-frequency resonant chamber 23
It is interior that there is partition wall 27.By adjusting various parameters, preferable result can be obtained.
Claims (6)
1. a kind of coupled structure of port of wave filter, including rectangular waveguide resonant cavity, it is characterised in that:The resonator connection
The frequency tuning screw of regulation resonant frequency is provided with the H faces of the rectangular waveguide, the resonator;It is described humorous
Shake chamber and rectangular waveguide coupling window at be provided with tuning rectangular waveguide to the coupling tuning screw of resonator coupling amount.
2. the coupled structure of port of wave filter according to claim 1, it is characterised in that:The rectangular waveguide end face top
It is provided with step.
3. a kind of waveguide duplexer public port coupled structure, including rectangular waveguide and two resonators, it is characterised in that:It is described
Two resonators are respectively high-frequency resonant cavity and low-frequency resonant chamber, are separately positioned on two H faces of the rectangular waveguide;It is described
High-frequency resonant intracavitary and low-frequency resonant intracavitary are respectively arranged with the frequency tuning screw of regulation resonant frequency;The high frequency
At the coupling window of resonator and rectangular waveguide, tune is provided with respectively at the coupling window of the low-frequency resonant chamber and rectangular waveguide
Coupling tuning screw of the humorous rectangular waveguide to two resonator coupling amounts.
4. waveguide duplexer public port coupled structure according to claim 3, it is characterised in that:The low-frequency resonant chamber
It is more than end face distance of the high-frequency resonant cavity apart from the rectangular waveguide apart from the end face distance of the rectangular waveguide.
5. a kind of waveguide duplexer public port coupled structure, including rectangular waveguide and two resonators, it is characterised in that:It is described
Rectangular waveguide is " T " shape structure;Described two resonators are respectively high-frequency resonant cavity and low-frequency resonant chamber, are separately positioned on described
On the H faces in two end face directions of rectangular waveguide;It is humorous that the high-frequency resonant intracavitary and low-frequency resonant intracavitary are respectively arranged with regulation
The frequency tuning screw for chamber resonant frequency of shaking;At the coupling window of the high-frequency resonant cavity and rectangular waveguide, the low-frequency resonant
Tuning rectangular waveguide is provided with the coupling window of chamber and rectangular waveguide respectively to the coupling tuning spiral shell of two resonator coupling amounts
Nail.
6. waveguide duplexer public port coupled structure according to claim 5, it is characterised in that:The high-frequency resonant cavity
There is partition wall in wave-guide cavity wave between low-frequency resonant chamber.
Priority Applications (1)
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CN201621341220.1U CN206349475U (en) | 2016-12-08 | 2016-12-08 | The coupled structure and waveguide duplexer public port coupled structure of a kind of port of wave filter |
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CN201621341220.1U CN206349475U (en) | 2016-12-08 | 2016-12-08 | The coupled structure and waveguide duplexer public port coupled structure of a kind of port of wave filter |
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CN206349475U true CN206349475U (en) | 2017-07-21 |
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CN201621341220.1U Expired - Fee Related CN206349475U (en) | 2016-12-08 | 2016-12-08 | The coupled structure and waveguide duplexer public port coupled structure of a kind of port of wave filter |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106450618A (en) * | 2016-12-08 | 2017-02-22 | 江苏贝孚德通讯科技股份有限公司 | Filter port coupling structure and waveguide duplexer common port coupling structure |
-
2016
- 2016-12-08 CN CN201621341220.1U patent/CN206349475U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106450618A (en) * | 2016-12-08 | 2017-02-22 | 江苏贝孚德通讯科技股份有限公司 | Filter port coupling structure and waveguide duplexer common port coupling structure |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20211208 |
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CF01 | Termination of patent right due to non-payment of annual fee |