CN104241801A - Dielectric resonator with reverse step type resonant cavity and working method thereof - Google Patents
Dielectric resonator with reverse step type resonant cavity and working method thereof Download PDFInfo
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- CN104241801A CN104241801A CN201410471457.0A CN201410471457A CN104241801A CN 104241801 A CN104241801 A CN 104241801A CN 201410471457 A CN201410471457 A CN 201410471457A CN 104241801 A CN104241801 A CN 104241801A
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Abstract
The invention relates to a dielectric resonator with a reverse step type resonant cavity and a working method thereof. The dielectric resonator comprises a top surface and a bottom surface. One or more through holes are formed between the top surface and the bottom surface and respectively formed by splicing an upper-half through hole and a lower-half through hole, wherein the diameter of the upper-half through holes is not equal to that of the lower-half through holes. According to the dielectric resonator, on the basis that the depth of the through holes is not changed, the filtering frequency is changed and the range of the frequency of signals filtered by the dielectric resonator is expanded.
Description
Technical field
The present invention relates to a kind of resonator, particularly relate to a kind of dielectric resonator and the method for work thereof that are provided with Reverse Step formula resonant cavity.
Background technology
In the prior art, the making of dielectric resonator often needs to use advanced low-k materials, and the via depth of resonant cavity in resonator
wherein, C is 300,000KM/sec, f
0centered by frequency, ε
rfor dielectric constant.(wherein, the cutaway view that figure (a) is traditional sucrose resonator, the vertical view that figure (b) is 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.
Summary of the invention
The object of this invention is to provide a kind of dielectric resonator being provided with Reverse Step formula resonant cavity, to solve on the constant basis of via depth, change the technical problem of frequency filtering.
In order to solve the problems of the technologies described above, the invention provides a kind of dielectric resonator being provided with Reverse Step formula resonant cavity, comprising: end face and bottom surface, being 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; Wherein, the aperture of first through hole described is greater than the aperture of second through hole, or 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 below 800MHZ, the aperture of first through hole described is greater than the aperture of second 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, and the aperture of second through hole described is greater than the aperture of first through hole.
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.
On the other hand, on the basis of above-mentioned dielectric resonator, present invention also offers the method for work of described dielectric resonator, to solve on the constant basis of via depth, change the technical problem of frequency filtering.
In order to solve the problems of the technologies described above, the invention provides the method for work over a kind of dielectric resonator, comprising:
If the aperture of first through hole described is greater than the aperture of second through hole, then described dielectric resonator reduces wavelength, to reduce frequency filtering; If the aperture of second through hole described is greater than the aperture of first through hole, then described dielectric resonator increases wavelength, to raise frequency filtering.
Further, when the aperture of first through hole described is greater than the aperture of second through hole, described dielectric resonator is suitable for carrying out filtering to the signal of below 800MHZ.
Further, the hole depth of described through hole is 4mm, and when the aperture of second through hole described is greater than the aperture of first through hole, described dielectric resonator is suitable for carrying out filtering to the signal of more than 6100MHZ.
Further, when the hole depth rate of first through hole described and second through hole is 1:1, described dielectric resonator is suitable for carrying out filtering to the signal of 7500MHZ.
Technique scheme of the present invention has the following advantages compared to existing technology: dielectric resonator of the present invention, 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 invention be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of prior art medium resonator;
Fig. 2 is the structural representation of the first execution mode of dielectric resonator of the present invention.
Fig. 3 is the structural representation of the second execution mode of dielectric resonator of the present invention.
Wherein, end face 1, bottom surface 2, through hole 3, first through hole 301, second through hole 301.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment also with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these describe just exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present invention.
Embodiment 1
Fig. 2 shows the structural representation of the first execution mode of dielectric resonator of the present invention.
Fig. 3 shows the structural representation of the second execution mode of dielectric resonator of the present invention.
As shown in Figures 2 and 3, a kind of dielectric resonator being provided with Reverse Step formula resonant cavity, comprising: end face 1 and bottom surface 2, is at least provided with a through hole 3 between this end face 1 and bottom surface 2, and 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 of the present invention and second through hole 302 to splice setting.
Preferably, the aperture of first through hole 301 described is greater than the aperture of second through hole 302, then described dielectric resonator is suitable for carrying out filtering to the signal of below 800MHZ.
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.
Embodiment 2
The method of work of the described dielectric resonator on embodiment 1 basis, the method comprises:
If the aperture of first through hole 301 described is greater than the aperture of second through hole 302, then described dielectric resonator reduces wavelength, to reduce frequency filtering.
If the aperture of second through hole 302 described is greater than the aperture of first through hole 301, then described dielectric resonator increases wavelength, to raise frequency filtering.
Preferably, when the aperture of first through hole 301 described is greater than the aperture of second through hole 302, described dielectric resonator is suitable for carrying out filtering to the signal of below 800MHZ.
Preferably, the hole depth of described through hole is 4mm, and when the aperture of second through hole 302 described is greater than the aperture of first through hole 301, described dielectric resonator is suitable for carrying out filtering to the signal of more than 6100MHZ.Further, when first through hole 301 described is 1:1 with the hole depth rate of second through hole 302, described dielectric resonator is suitable for carrying out filtering to the signal of 7500MHZ.
Should be understood that, above-mentioned embodiment of the present invention only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (8)
1. be provided with a dielectric resonator for Reverse Step formula resonant cavity, 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; Wherein, the aperture of first through hole described is greater than the aperture of second through hole, or 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 aperture of first through hole described is greater than the aperture of second through hole, then described dielectric resonator is suitable for carrying out filtering to the signal of below 800MHZ.
3. dielectric resonator according to claim 1, is characterized in that, the hole depth of described through hole is 4mm, and the aperture of second through hole described is greater than the aperture of first through hole, then described dielectric resonator is suitable for carrying out filtering to the signal of more than 6100MHZ.
4. dielectric resonator according to claim 3, 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.
5. a method of work for dielectric resonator according to claim 1, is characterized in that, comprising:
If the aperture of first through hole described is greater than the aperture of second through hole, then described dielectric resonator reduces wavelength, to reduce frequency filtering;
If the aperture of second through hole described is greater than the aperture of first through hole, then described dielectric resonator increases wavelength, to raise frequency filtering.
6. the method for work of dielectric resonator according to claim 5, is characterized in that, when the aperture of first through hole described is greater than the aperture of second through hole, described dielectric resonator is suitable for carrying out filtering to the signal of below 800MHZ.
7. the method for work of dielectric resonator according to claim 6, it is characterized in that, the hole depth of described through hole is 4mm, and when the aperture of second through hole described is greater than the aperture of first through hole, described dielectric resonator is suitable for carrying out filtering to the signal of more than 6100MHZ.
8. the method for work of dielectric resonator according to claim 7, is characterized in that, when the hole depth rate of first through hole described and second through hole is 1:1, described dielectric resonator is suitable for carrying out filtering to the signal of 7500MHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410471457.0A CN104241801A (en) | 2014-09-16 | 2014-09-16 | Dielectric resonator with reverse step type resonant cavity and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410471457.0A CN104241801A (en) | 2014-09-16 | 2014-09-16 | Dielectric resonator with reverse step type resonant cavity and working method thereof |
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| CN201410471457.0A Pending CN104241801A (en) | 2014-09-16 | 2014-09-16 | Dielectric resonator with reverse step type resonant cavity and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928478A (en) * | 2021-01-25 | 2021-06-08 | 电子科技大学 | Wide-beam stepped dielectric resonator antenna based on high-order mode superposition |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0292001A (en) * | 1988-09-28 | 1990-03-30 | Murata Mfg Co Ltd | Dielectric coaxial filter |
| JPH09232824A (en) * | 1996-02-20 | 1997-09-05 | Matsushita Electric Ind Co Ltd | Dielectric filter and its manufacture |
| CN1256523A (en) * | 1998-12-03 | 2000-06-14 | 株式会社村田制作所 | Band pass filter, diplexer and communication device |
| CN1303137A (en) * | 1999-10-13 | 2001-07-11 | 株式会社村田制作所 | Dielectric filter, dielectric duplexer and communication equipment containing them |
| JP2002280807A (en) * | 2001-03-15 | 2002-09-27 | Murata Mfg Co Ltd | Manufacturing method of dielectric filter |
| CN204303969U (en) * | 2014-09-16 | 2015-04-29 | 张家港保税区灿勤科技有限公司 | Be provided with the dielectric resonator of Reverse Step formula resonator |
-
2014
- 2014-09-16 CN CN201410471457.0A patent/CN104241801A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0292001A (en) * | 1988-09-28 | 1990-03-30 | Murata Mfg Co Ltd | Dielectric coaxial filter |
| JPH09232824A (en) * | 1996-02-20 | 1997-09-05 | Matsushita Electric Ind Co Ltd | Dielectric filter and its manufacture |
| CN1256523A (en) * | 1998-12-03 | 2000-06-14 | 株式会社村田制作所 | Band pass filter, diplexer and communication device |
| CN1303137A (en) * | 1999-10-13 | 2001-07-11 | 株式会社村田制作所 | Dielectric filter, dielectric duplexer and communication equipment containing them |
| JP2002280807A (en) * | 2001-03-15 | 2002-09-27 | Murata Mfg Co Ltd | Manufacturing method of dielectric filter |
| CN204303969U (en) * | 2014-09-16 | 2015-04-29 | 张家港保税区灿勤科技有限公司 | Be provided with the dielectric resonator of Reverse Step formula resonator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928478A (en) * | 2021-01-25 | 2021-06-08 | 电子科技大学 | Wide-beam stepped dielectric resonator antenna based on high-order mode superposition |
| CN112928478B (en) * | 2021-01-25 | 2022-07-29 | 电子科技大学 | Wide-beam stepped dielectric resonator antenna based on high-order mode superposition |
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Application publication date: 20141224 |