CN205911408U - Coupled structure of medium multicavity wave filter - Google Patents
Coupled structure of medium multicavity wave filter Download PDFInfo
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- CN205911408U CN205911408U CN201620786061.XU CN201620786061U CN205911408U CN 205911408 U CN205911408 U CN 205911408U CN 201620786061 U CN201620786061 U CN 201620786061U CN 205911408 U CN205911408 U CN 205911408U
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Abstract
The utility model discloses a coupled structure of medium metal wave filter relates to the mobile communication field, including the cavity and dielectric resonator in being fixed in the cavity and metal syntonizer, its characterized in that: the metal syntonizer including first metal syntonizer and second metal syntonizer, dielectric resonator, first metal syntonizer and second metal syntonizer be V type structure distribute in the cavity, dielectric resonator passes through coupling window coupling through the 2nd ridge line coupling, first metal syntonizer with second metal syntonizer with second metal syntonizer through a ridge line coupling, dielectric resonator with first metal syntonizer. Its simple structure, reasonable can the effectual coupling that realizes between medium and the wire chamber to and the opening direction through adjusting coupling ridge line, realize conveniently that transmission zero's polarity is selected.
Description
Technical field
This utility model is related to moving communicating field, particularly a kind of medium multicavity filter, specifically a kind of Jie
The coupled structure of matter multicavity filter.
Background technology
In moving communicating field, with the development of technology, for the performance requirement more and more higher of wave filter in system.With
The raising requiring, microwave filter presents index height, small volume, the feature of low cost.Realizing these high performance filters
When, it is limited to cavity size it is sometimes necessary to introduce dielectric resonant chamber in inside cavity, and filter internal is due to structure
The factors such as restriction, dielectric resonant chamber is produced with Metal cavity when coupling, and due to the transformation of pattern, te01 pattern is converted into
Tem mould, both assume quadrature by electric field, very difficult transmission energy.
There is wire chamber and dielectric cavity in filter internal, then, while needing to make well energy transmission, reach and set simultaneously
Meter is convenient for production, needs a kind of effective pattern to convert coupled structure.
Content of the invention
The purpose of this utility model is to solve filter internal due to the factors such as structure restriction, dielectric resonant chamber and gold
When belonging to resonator cavity generation coupling, due to the transformation of pattern, te01 pattern is converted into tem mould, and both electric fields assume orthogonal shape
State, the technical problem of very difficult transmission energy, and a kind of coupled structure of medium multicavity filter is proposed.
In order to solve the technical problem that this utility model is proposed, the technical scheme of employing is:
The technical scheme that this utility model solution above-mentioned technical problem is adopted is:
A kind of coupled structure of metal clad wave filter, include cavity and be fixed on dielectric resonator in cavity and
Metal resonators；It is characterized in that: described metal resonators include the first metal resonators and the second metal resonators；Institute
Dielectric resonator, the first metal resonators and the second metal resonators stated are in V-shaped structure distribution in cavity；Dielectric resonator
Coupled by the first crestal line with the first metal resonators, dielectric resonator is coupled by the second crestal line with the second metal resonators,
First metal resonators are passed through to couple window coupling with the second metal resonators.
It is respectively as follows: as four kinds of schemes that this utility model is specifically limited further
The first described crestal line is placed in the first metal resonators and the dielectric resonator positioned at cavity and the first metal resonance
Between device partially between the inner wall position of outer side；It is humorous with the medium positioned at cavity that the second described crestal line is placed in the second metal resonators
Shake between device and the second metal resonators between the inner wall position of partially outer side.
The first described crestal line is placed between the first metal resonators and the centrage side inner wall position being located at cavity；Institute
The second crestal line stated is placed in partially outer between the second metal resonators and the dielectric resonator being located at cavity and the second metal resonators
Between the inner wall position of side.
The first described crestal line is placed in the first metal resonators and the dielectric resonator positioned at cavity and the first metal resonance
Between device partially between the inner wall position of outer side；The second described crestal line is placed in the second metal resonators and the centrage positioned at cavity
Between the inner wall position of side.
The first described crestal line is placed between the first metal resonators and the centrage side inner wall position being located at cavity；Institute
The second crestal line stated is placed between the second metal resonators and the centrage side inner wall position being located at cavity.
Compared with prior art, a kind of coupled structure of medium multicavity filter of the present utility model is passed through to adjust the first ridge
Line and the height of the second crestal line metal, width, adjust medium and the side coupling power, coupling crestal line by regulation before metal
To, thus it is possible to vary the transmission zero polarity between dielectric resonator and metal resonators, can conveniently realize medium and metal it
Between coupling it is also possible to conveniently realize the reversing of coupled transfer zero point.This utility model is simple and reasonable for structure, Neng Gouyou
Effect plays pattern conversion, transmitted signal energy, improves performance of filter, design, produces, debugging is convenient.
Brief description
Fig. 1 is the structural representation of this utility model embodiment one；
Fig. 2 is the a-a cross section structure schematic diagram of Fig. 1；
Fig. 3 is the b-b cross section structure schematic diagram of Fig. 1；
Fig. 4 is the perspective view of this utility model embodiment one；
Fig. 5 is the structural representation of this utility model embodiment two；
Fig. 6 is the structural representation of this utility model embodiment three；
Fig. 7 is the structural representation of this utility model example IV.
Specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Embodiment one
Shown in Fig. 4, the coupled structure of this utility model metal clad wave filter include cavity 1 and
It is fixed on dielectric resonator 6 in cavity, the first metal resonators 11 and the second metal resonators 12；Described dielectric resonator
6th, the first metal resonators 11 and the second metal resonators 12 are in V-shaped structure distribution in cavity 1；Dielectric resonator 6 and first
Metal resonators 11 are coupled by the first crestal line 8, and dielectric resonator 6 is coupled by the second crestal line 9 with the second metal resonators 12,
First metal resonators 11 are coupled by coupling window 10 with the second metal resonators 12.This utility model is in use, in chamber
Tuning cover plate 2 is covered on body 1；Dielectric resonator 6 includes the tuning screw 4 that tuned cover plate 2 is placed in cavity 1, is placed in
Connect the tuning disk 5 of tuning screw 4 in cavity 1, and be placed in the outer nut 3 connecting tuning screw 4 of cavity 1.
First crestal line 8 and the second crestal line 9 being distributed as in cavity 1 in the present embodiment:
As shown in fig. 1, the first crestal line 8 is placed in the first metal resonators 11 and the dielectric resonator 6 positioned at cavity 1 and the
Between one metal resonators 11 partially between the inner wall position of outer side；The second described crestal line 9 be placed in the second metal resonators 12 with
Between cavity 1 dielectric resonator 6 and the second metal resonators 12 partially between the inner wall position of outer side.
The coupled structure of a kind of medium and metal cavity filter, dielectric resonator 6 and the first gold medal is illustrated in the present embodiment
Belong to resonator 11 and the second metal resonators 12, pass through the first crestal line 8 respectively and the second crestal line 9 produces coupling, realize medium te
Mould is to the electromagnetic field good transformation of metal tem mould；First metal resonators 11 are passed through to couple window with the second metal resonators 12
10 produce coupling, when the centrage in the first crestal line 8, the second crestal line 9 and cavity 1 assumes the distribution form of Fig. 1, wave filter meeting
Produce a transmission zero in passband low side.
Embodiment two
Shown in reference Fig. 5, the first crestal line 8 and the second crestal line 9 being distributed as in cavity 1 in the present embodiment:
First crestal line 8 is placed between the first metal resonators 11 and the centrage side inner wall position being located at cavity 1；Described
The second crestal line 9 be placed in the second metal resonators 12 and be located between the dielectric resonator 6 of cavity 1 and the second metal resonators 12
Partially between the inner wall position of outer side, other structures are identical with embodiment one, dielectric resonator 6 and the first metal resonators 11 and
Two metal resonators 12 coupling will not change, but coupling between the first metal resonators 11 and the second metal resonators 12
Polarity can invert, and wave filter can be in one transmission zero of the high-end generation of passband.
Embodiment three
Shown in reference Fig. 6, the first crestal line 8 and the second crestal line 9 being distributed as in cavity 1 in the present embodiment:
First crestal line 8 is placed in the first metal resonators 11 and the dielectric resonator 6 positioned at cavity 1 and the first metal resonators
Between 11 partially between the inner wall position of outer side；The second described crestal line 9 is placed in the second metal resonators 12 and in cavity 1
Between the inner wall position of heart line side, other structures are identical with embodiment one, and the effect of generation can be consistent with the effect in Fig. 1.
Example IV
Shown in reference Fig. 7, the first crestal line 8 and the second crestal line 9 being distributed as in cavity 1 in the present embodiment:
First crestal line 8 is placed between the first metal resonators 11 and the centrage side inner wall position being located at cavity 1；Described
The second crestal line 9 be placed in the second metal resonators 12 and be located at cavity 1 centrage side inner wall position between.Other structures with
Embodiment one is identical, and the effect of generation can be consistent with the effect in Fig. 1.
First crestal line 8 of the present utility model and the second crestal line 9 realize the patten transformation of electromagnetic field, simple and reasonable for structure；Warp
Experimental test, can effectively realize the conversion between electromagnetic field, and by adjusting the opening direction of the crestal line of coupling, convenient realization passes
The polarity of defeated zero point selects, and meets use demand.
Most preferred embodiment of the present utility model illustrates, the various change made by those of ordinary skill in the art or remodeling
All without departing from scope of the present utility model.
Claims (5)
1. a kind of coupled structure of metal clad wave filter, includes cavity and is fixed on the dielectric resonator in cavity and gold
Belong to resonator；It is characterized in that: described metal resonators include the first metal resonators and the second metal resonators；Described
Dielectric resonator, the first metal resonators and the second metal resonators be in V-shaped structure distribution in cavity；Dielectric resonator with
First metal resonators pass through the first crestal line coupling, and dielectric resonator is coupled by the second crestal line with the second metal resonators, the
One metal resonators are passed through to couple window coupling with the second metal resonators.
2. a kind of metal clad wave filter according to claim 1 coupled structure it is characterised in that: the first described ridge
Line is placed between the first metal resonators and the dielectric resonator being located at cavity and the first metal resonators outer side inwall position partially
Between putting；The second described crestal line is placed in the second metal resonators and the dielectric resonator positioned at cavity and the second metal resonators
Between partially between the inner wall position of outer side.
3. a kind of metal clad wave filter according to claim 1 coupled structure it is characterised in that: the first described ridge
Line is placed between the first metal resonators and the centrage side inner wall position being located at cavity；The second described crestal line is placed in second
Metal resonators and being located between the dielectric resonator of cavity and the second metal resonators between the inner wall position of partially outer side.
4. a kind of metal clad wave filter according to claim 1 coupled structure it is characterised in that: the first described ridge
Line is placed between the first metal resonators and the dielectric resonator being located at cavity and the first metal resonators outer side inwall position partially
Between putting；The second described crestal line is placed between the second metal resonators and the centrage side inner wall position being located at cavity.
5. a kind of metal clad wave filter according to claim 1 coupled structure it is characterised in that: the first described ridge
Line is placed between the first metal resonators and the centrage side inner wall position being located at cavity；The second described crestal line is placed in second
Between metal resonators and the centrage side inner wall position being located at cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620786061.XU CN205911408U (en) | 2016-07-25 | 2016-07-25 | Coupled structure of medium multicavity wave filter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620786061.XU CN205911408U (en) | 2016-07-25 | 2016-07-25 | Coupled structure of medium multicavity wave filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025467A (en) * | 2016-07-25 | 2016-10-12 | 深圳市麦捷微电子科技股份有限公司 | Coupling structure of dielectric multi-cavity filter |
| CN108631037A (en) * | 2018-04-19 | 2018-10-09 | 武汉凡谷电子技术股份有限公司 | Dielectric resonator forms the structure and filter of symmetrical zero with metal resonators |
-
2016
- 2016-07-25 CN CN201620786061.XU patent/CN205911408U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025467A (en) * | 2016-07-25 | 2016-10-12 | 深圳市麦捷微电子科技股份有限公司 | Coupling structure of dielectric multi-cavity filter |
| CN108631037A (en) * | 2018-04-19 | 2018-10-09 | 武汉凡谷电子技术股份有限公司 | Dielectric resonator forms the structure and filter of symmetrical zero with metal resonators |
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