CN205921060U - Miniaturized waveguide filter - Google Patents
Miniaturized waveguide filter Download PDFInfo
- Publication number
- CN205921060U CN205921060U CN201620977154.0U CN201620977154U CN205921060U CN 205921060 U CN205921060 U CN 205921060U CN 201620977154 U CN201620977154 U CN 201620977154U CN 205921060 U CN205921060 U CN 205921060U
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- Prior art keywords
- waveguide
- miniaturization
- sunk structure
- main body
- filter
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Abstract
The utility model discloses a miniaturized waveguide filter, including waveguide main part and sunk structure main part, the waveguide main part is the body structure including waveguide lateral wall and waveguide bottom component, the sunk structure main part is the body structure including sunk structure lateral wall and sunk structure bottom component, form a miniaturized waveguide resonator who is hollow sunk structure in single waveguide main part of single sunk structure main part embedding, the different miniaturized waveguide resonator of a plurality of volume forms the miniaturized waveguide filter main part through hollow sunk structure nested within each other within a definite time, and coupling window has been seted up in the miniaturized waveguide resonator's of nested back a plurality of the laminating part, still be equipped with inputoutput port in the miniaturized waveguide filter main part, the utility model discloses simple structure can realize that waveguide filter is miniaturized, effectively reduces waveguide filter's volume and weight.
Description
Technical field:
This utility model is related to the waveguide filter in Electromagnetic Field and Microwave Technology field, particularly to a kind of miniaturization waveguide
Wave filter.
Background technology:
Low-loss, high quality factor, high power capacity, good mechanical property and temperature that waveguide filter has because of it
The advantages of characteristic, it is widely used in the various occasions very high to performance requirement, but its huge volume be also limit with weight
It is in the application of modern integrated microwave and millimeter wave circuit field.
Utility model content:
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of miniaturization waveguide filter.
A kind of miniaturization waveguide filter of the present utility model, including waveguide body and sunk structure main body, described waveguide
Main body is the integrative-structure including waveguide sidewalls and waveguide bottom composition, and described sunk structure main body is including sunk structure side wall
And the integrative-structure of sunk structure bottom composition, single described sunk structure main body embeds and forms one in single waveguide body and be in
The miniaturization waveguide resonator of hollow sunk structure, passes through hollow between the different described miniaturization waveguide resonator of several volumes
Sunk structure mutually nested formed miniaturization waveguide filter main body, and after nesting several miniaturization waveguide resonators laminating
Offer coupling window on partly, described miniaturization waveguide filter main body is additionally provided with input/output port.
Preferably, described sunk structure body top is formed around the edge matching with waveguide body.
Preferably, the exponent number of described miniaturization waveguide filter main body increases with the nested number of plies and increases.
The beneficial effects of the utility model: this utility model, in the inside sunk structure of waveguide filter surface structure, leads to
Cross the resonant frequency that the equivalent capacity that sunk structure brings can effectively reduce waveguide filter, namely realize waveguide filter
Miniaturization；Meanwhile, hollow sunk structure is internal nesting using other waveguide resonators or can also to accommodate other portions
Part, by multiplexing spatially, improves the overall degree of miniaturization of wave filter further.
Brief description:
For ease of explanation, this utility model is embodied as and accompanying drawing is described in detail by following.
Fig. 1 is waveguide body structural representation；
Fig. 2 is sunk structure agent structure schematic diagram；
Fig. 3 is sunk structure main body side view；
Fig. 4 is miniaturization waveguide resonator main body mounting structure schematic diagram；
Fig. 5 is miniaturization waveguide resonator main body top view；
Fig. 6 is miniaturization waveguide resonator sectional view of main part；
Fig. 7 is miniaturization waveguide resonator agent structure schematic diagram；
Fig. 8 is two miniaturization waveguide resonator nested structure schematic diagrams；
Fig. 9 is the frequency response curve of embodiment two；
Figure 10 is the structural representation of embodiment three；
Figure 11 is the frequency response curve of embodiment three；
Figure 12 is the structural representation of example IV；
Figure 13 is the frequency response curve of example IV.
In figure: 1- waveguide sidewalls；2- waveguide bottom；3- sunk structure side wall；4- sunk structure bottom；5- couples window；
6- input/output port；7- edge.
Specific embodiment:
For making the purpose of this utility model, technical scheme and advantage of greater clarity, shown in accompanying drawing
Specific embodiment is describing this utility model.However, it should be understood that these descriptions are simply exemplary, and it is not intended to limit this reality
With new scope.Additionally, in the following description, eliminate the description to known features and technology, to avoid unnecessarily mixing
Confuse concept of the present utility model.
As shown in figures 1-13, this utility model provides a kind of a kind of technical scheme: miniaturization waveguide filter, including waveguide
Main body and sunk structure main body, described waveguide body is the integrative-structure including waveguide sidewalls 1 and waveguide bottom 2 composition, described
Sunk structure main body is the integrative-structure including sunk structure side wall 3 and sunk structure bottom 4 composition, single described sunk structure
Main body embeds and forms a miniaturization waveguide resonator in hollow sunk structure in single waveguide body, and several volumes are different
Described miniaturization waveguide resonator between form miniaturization waveguide filter main body by hollow sunk structure is mutually nested, and embedding
Coupling window 5, described miniaturization waveguide filter master are offered on the fitting part of several miniaturization waveguide resonators after set
Input/output port 6 is additionally provided with body.
Specifically, sunk structure body top is formed around the edge 7 matching with waveguide body, input/output port 6
Feed is realized by conventional probe, the exponent number of miniaturization waveguide filter main body increases with the nested number of plies and increases.
Below by embodiment, this utility model is further described.
Embodiment one:
A kind of miniaturization waveguide resonator that this utility model provides, single sunk structure main body embeds single waveguide body
The as miniaturization waveguide resonator of interior formation, as shown in figs. 1-7, miniaturization waveguide resonator external dimensions is a=29.2mm, b
=29.2mm, c=29.2mm, metal thickness is 1mm, and sunk structure is located at waveguide top surface center, d=21.2mm, e=
21.2mm, f=24.2mm, d1=5mm, d2=5mm, d3=5mm, d4=5mm, d5=3mm.The main mould resonance of miniaturization waveguide resonator
Frequency is reduced to, by the 7.8ghz adding conventional waveguide resonator before sunk structure, the 2.394ghz adding after sunk structure, if with not
The conventional waveguide resonator adding sunk structure realizes the main mould resonant frequency of 2.394ghz, and external dimensions need to become greatly a=
90.3mm, b=90.3mm, c=90.3mm.Compare the conventional waveguide resonator being not added with sunk structure, the present embodiment is only used
10.46% area occupied and 3.38% volume achieve identical main mould resonant frequency.
Embodiment two:
A kind of miniaturization waveguide filter that this utility model provides, as shown in figure 8, two miniaturization waveguide resonators lead to
Cross nesting and combine one second order filter of composition, the coupling between miniaturization waveguide resonator is passed through in nested structure patch
What conjunction was partly gone up opens up coupling window cause for gossip now, and input/output port is done directly feed by probe；Miniaturization waveguide filter
Frequency response as shown in figure 9, mid frequency is 2ghz, bandwidth is about 0.19ghz, and the periphery of miniaturization waveguide filter is maximum
Size is only 36 × 36 × 51mm3.
Embodiment three:
A kind of miniaturization waveguide filter that this utility model provides, as shown in Figure 10, three miniaturization waveguide resonators
One third-order filter of composition is combined by nesting, the coupling between miniaturization waveguide resonator is passed through in nested structure
Coupling window cause for gossip is existing for opening up on fitting part, and input/output port is done directly feed by probe；Miniaturization guide filter
As shown in figure 11, mid frequency is 2.6ghz to the frequency response of device, and bandwidth is about 0.22ghz, has a transmission zero in 2.3ghz
Point effectively improves lower sideband selectivity, and the peripheral full-size of miniaturization waveguide filter is only 25 × 25 × 34.8mm3.
Example IV:
A kind of miniaturization waveguide filter that this utility model provides, as shown in figure 12, three miniaturization waveguide resonators
One third-order filter of composition is combined by nesting, the coupling between miniaturization waveguide resonator is passed through in nested structure
Coupling window cause for gossip is existing for opening up on fitting part, and input/output port is done directly feed by probe；The frequency of wave filter is rung
Should as shown in figure 13, mid frequency is 1.785ghz, and bandwidth is about 58.5mhz, has a transmission zero effective in 1.837ghz
Improve upper side band selectivity, the peripheral full-size of miniaturization waveguide filter is only 36.5 × 36.5 × 46 mm3.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, these changes and improvements both fall within the range of claimed this utility model.This utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (3)
1. a kind of miniaturization waveguide filter it is characterised in that: include waveguide body and sunk structure main body, described waveguide body
It is the integrative-structure including waveguide sidewalls and waveguide bottom composition, described sunk structure main body is including sunk structure side wall and recessed
The integrative-structure of sunken structural base composition, single described sunk structure main body embeds and forms one in single waveguide body is in hollow
The miniaturization waveguide resonator of sunk structure, by hollow depression between the different described miniaturization waveguide resonator of several volumes
Structure mutually nested formed miniaturization waveguide filter main body, and after nesting several miniaturization waveguide resonators fitting part
On offer coupling window, described miniaturization waveguide filter main body is additionally provided with input/output port.
2. a kind of miniaturization waveguide filter according to claim 1 it is characterised in that: described sunk structure body top
It is formed around the edge matching with waveguide body.
3. a kind of miniaturization waveguide filter according to claim 1 it is characterised in that: described miniaturization waveguide filter
The exponent number of main body increases with the nested number of plies and increases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620977154.0U CN205921060U (en) | 2016-08-30 | 2016-08-30 | Miniaturized waveguide filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620977154.0U CN205921060U (en) | 2016-08-30 | 2016-08-30 | Miniaturized waveguide filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205921060U true CN205921060U (en) | 2017-02-01 |
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ID=57869765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620977154.0U Withdrawn - After Issue CN205921060U (en) | 2016-08-30 | 2016-08-30 | Miniaturized waveguide filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205921060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159396A (en) * | 2016-08-30 | 2016-11-23 | 储鹏 | A kind of miniaturization waveguide filter |
-
2016
- 2016-08-30 CN CN201620977154.0U patent/CN205921060U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159396A (en) * | 2016-08-30 | 2016-11-23 | 储鹏 | A kind of miniaturization waveguide filter |
| CN106159396B (en) * | 2016-08-30 | 2018-08-14 | 储鹏 | A kind of miniaturization waveguide filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170201 Effective date of abandoning: 20180814 |