CN204303969U - Be provided with the dielectric resonator of Reverse Step formula resonator - Google Patents
Be provided with the dielectric resonator of Reverse Step formula resonator Download PDFInfo
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- CN204303969U CN204303969U CN201420531663.1U CN201420531663U CN204303969U CN 204303969 U CN204303969 U CN 204303969U CN 201420531663 U CN201420531663 U CN 201420531663U CN 204303969 U CN204303969 U CN 204303969U
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Abstract
The utility model relates to a kind of dielectric resonator being provided with Reverse Step formula resonator, comprising: end face and bottom surface, is at least provided with a through hole between this end face and bottom surface, and this through hole is spliced by first through hole and second through hole; The aperture of second through hole described is greater than the aperture of first through hole.Dielectric resonator of the present utility model, on the basis not changing via depth, achieves the change to frequency filtering, expands the frequency range of its filtering signal.
Description
Technical field
The utility model relates to a kind of resonator, particularly relates to a kind of dielectric resonator being provided with Reverse Step formula resonator.
Background technology
In the prior art, the making of dielectric resonator often needs to use advanced low-k materials, and the via depth of resonator in resonator
wherein, C is 300,000KM/sec, f
0centered by frequency, ε
rfor dielectric constant.(wherein, Fig. 1 (a) is the sectional view of traditional sucrose resonator, and Fig. 1 (b) is the top view of traditional sucrose resonator as shown in Figure 1.), due to the restriction of via depth, traditional dielectric resonator can only carry out filtering to corresponding frequency on the basis of a certain via depth, and to obtain the signal of higher or lower frequency, current way only changes the via depth in common resonator chamber.
Therefore, on the basis not changing via depth in resonator, the frequency changing its filtering signal is the technical barrier of this area.
Utility model content
The purpose of this utility model is to provide a kind of dielectric resonator being provided with Reverse Step formula resonator, to solve on the constant basis of via depth, changes the technical problem of frequency filtering.
In order to solve the problems of the technologies described above, the utility model provides a kind of dielectric resonator being provided with Reverse Step formula resonator, comprising: end face and bottom surface, is at least provided with a through hole between this end face and bottom surface, and this through hole is spliced by first through hole and second through hole; The aperture of second through hole described is greater than the aperture of first through hole.
Further, in order to realize carrying out filtering to the signal of more than 6100MHZ, the hole depth of described through hole is 4mm.
Further, the hole depth rate of first through hole described and second through hole is 1:1, carries out filtering to realize described dielectric resonator to the signal of 7500MHZ.
Technique scheme of the present utility model has the following advantages compared to existing technology: dielectric resonator of the present utility model, on the basis not changing via depth, achieves the change to frequency filtering, expands the frequency range of its filtering signal.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 (a) is the structural representation of prior art medium resonator;
Fig. 1 (b) is the top view of prior art medium resonator;
Fig. 2 (a) is the structural representation of the first embodiment of dielectric resonator of the present utility model;
Fig. 2 (b) is the top view of the first embodiment of dielectric resonator of the present utility model;
Fig. 3 (a) is the structural representation of the second embodiment of dielectric resonator of the present utility model;
Fig. 3 (b) is the top view of the second embodiment of dielectric resonator of the present utility model.
Wherein, end face 1, bottom surface 2, through hole 3, first through hole 301, second through hole 301.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with detailed description of the invention also with reference to accompanying drawing, the utility model is further described.Should be appreciated that, these describe just exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
Embodiment 1
Fig. 2 (a) is the structural representation of the first embodiment of dielectric resonator of the present utility model.
Fig. 2 (b) is the top view of the first embodiment of dielectric resonator of the present utility model.
Fig. 3 (a) is the structural representation of the second embodiment of dielectric resonator of the present utility model.
Fig. 3 (b) is the top view of the second embodiment of dielectric resonator of the present utility model.
As shown in Fig. 2 (a) and Fig. 2 (b), Fig. 3 (a) He Fig. 3 (b), a kind of dielectric resonator being provided with Reverse Step formula resonator, comprise: end face 1 and bottom surface 2, at least be provided with a through hole 3 between this end face 1 and bottom surface 2, this through hole is spliced by first through hole 301 and second through hole 302; Wherein, the aperture of first through hole 301 described is greater than the aperture of second through hole 302, or the aperture of second through hole 302 described is greater than the aperture of first through hole 301.Concrete, also several through holes distributed in dielectric resonator all can be adopted first through hole 301 described in the utility model and second through hole 302 to splice setting.
Preferably, the hole depth of described through hole is 4mm, and the aperture of second through hole 302 described is greater than the aperture of first through hole 301, then described dielectric resonator is suitable for carrying out filtering to the signal of more than 6100MHZ, namely achieves High frequency filter.Further, first through hole 301 described is 1:1 with the hole depth rate of second through hole 302, then described dielectric resonator is suitable for carrying out filtering to the signal of 7500MHZ.
Should be understood that, above-mentioned detailed description of the invention of the present utility model only for exemplary illustration or explain principle of the present utility model, and is not formed restriction of the present utility model.Therefore, any amendment made when not departing from spirit and scope of the present utility model, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.In addition, the utility model claims be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (3)
1. be provided with a dielectric resonator for Reverse Step formula resonator, it is characterized in that, comprising: end face and bottom surface, be at least provided with a through hole between this end face and bottom surface, this through hole is spliced by first through hole and second through hole; The aperture of second through hole described is greater than the aperture of first through hole.
2. dielectric resonator according to claim 1, is characterized in that, the hole depth of described through hole is 4mm, and described dielectric resonator is suitable for carrying out filtering to the signal of more than 6100MHZ.
3. dielectric resonator according to claim 2, is characterized in that, the hole depth rate of first through hole described and second through hole is 1:1, then described dielectric resonator is suitable for carrying out filtering to the signal of 7500MHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531663.1U CN204303969U (en) | 2014-09-16 | 2014-09-16 | Be provided with the dielectric resonator of Reverse Step formula resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531663.1U CN204303969U (en) | 2014-09-16 | 2014-09-16 | Be provided with the dielectric resonator of Reverse Step formula resonator |
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| Publication Number | Publication Date |
|---|---|
| CN204303969U true CN204303969U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420531663.1U Active CN204303969U (en) | 2014-09-16 | 2014-09-16 | Be provided with the dielectric resonator of Reverse Step formula resonator |
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| CN (1) | CN204303969U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241801A (en) * | 2014-09-16 | 2014-12-24 | 张家港保税区灿勤科技有限公司 | Dielectric resonator with reverse step type resonant cavity and working method thereof |
| CN111384491A (en) * | 2018-12-29 | 2020-07-07 | 深圳市大富科技股份有限公司 | Dielectric resonator, dielectric filter and communication equipment |
-
2014
- 2014-09-16 CN CN201420531663.1U patent/CN204303969U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241801A (en) * | 2014-09-16 | 2014-12-24 | 张家港保税区灿勤科技有限公司 | Dielectric resonator with reverse step type resonant cavity and working method thereof |
| CN111384491A (en) * | 2018-12-29 | 2020-07-07 | 深圳市大富科技股份有限公司 | Dielectric resonator, dielectric filter and communication equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215634 Jiangsu Canqin Science and Technology Co., Ltd. No. 19 Jingang Road, Zhangjiagang Free Trade Zone, Suzhou City, Jiangsu Province Patentee after: Jiangsu Canqin Science and Technology Co., Ltd. Address before: Jingang road Suzhou 215634 Jiangsu province Zhangjiagang Free Trade Zone No. 19 Zhangjiagang bonded zone canqin science and Technology Co Ltd Patentee before: Zhangjiagang Bonded Area Canqin Technology Co., Ltd. |