CN105720332A - Dielectric filter - Google Patents
Dielectric filter Download PDFInfo
- Publication number
- CN105720332A CN105720332A CN201610180074.7A CN201610180074A CN105720332A CN 105720332 A CN105720332 A CN 105720332A CN 201610180074 A CN201610180074 A CN 201610180074A CN 105720332 A CN105720332 A CN 105720332A
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- Prior art keywords
- housing
- cable
- machine body
- dielectric filter
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/2002—Dielectric waveguide filters
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Abstract
The invention provides a dielectric filter, and belongs to the technical field of the filter. According to the dielectric filter, the deficiency that a feasible filtering range is limited to a certain degree resulting from the fact that the existing dielectric filter has a limited quantity of resonators is solved. The dielectric filter comprises a first machine body and a second machine body which are arranged in parallel. The first machine body and the second machine body are rectangular and comprise multiple resonators. A conductive layer is respectively covered on the outer surfaces of the first machine body and the second machine body; the side surfaces of the first machine body and the second machine body on which the long sides are located are equipped with multiple vertical grooves at equal intervals; a first cable is arranged on the upper surfaces of the first machine body and the second machine body; one end of first cable is located on the upper end surface of the first machine body; the other end of the first cable is located on the upper end surface of the second machine body; a second cable is arranged on the upper end surface of the first machine body; a third cable is arranged on the upper end surface of the second machine body; and the second cable and the third cable are all connected with more than two resonators.
Description
Technical field
The invention belongs to wave filter technology field, particularly a kind of dielectric filter.
Background technology
The filter circuit that traditional wave filter is made up of electric capacity, inductance and resistance, a kind of passive bidirectional network, its one end is power supply, the other end is load, it it is the device that ripple is filtered, the frequency of characteristic frequency in power line or the frequency beyond this frequency can be effectively filtered out by it, obtain the power supply signal of a characteristic frequency, or eliminate the power supply signal after a characteristic frequency.Existing filter cavity seals, and if there is the problem that media qualities is bad in production process, changes medium cumbersome, removes and installs also inconvenient.
Along with popularizing of Mobile communicating device, currently used frequency bandwidth is can not meet instructions for use gradually, it is therefore desirable to higher frequency meets the communication need of communicator.Currently require that electric energy or the signal transmission transmission band of the above high frequency of microwave adopt waveguide to be transmitted.Dielectric waveguide filter is waveguide inside filled media, is the wave filter of the technical ability such as a kind of frequency that can produce simultaneously or filter needs.The coaxial type Medium Wave Guide ripple device that dielectric waveguide filter is initial adopted is the wave filter that the direction of principal axis length of dielectric substance block is identical with the frequency bandwidth that wave filter uses, being internally formed at wave filter projection and lead to axial hole, surface adopts conductive material to cover.That is this wave filter one end open, other end short circuit, it is possible to simultaneously work with resonator.
Wave filter is the critical component in various mobile communication system, is used for the clutter or the interference signal that filter outside communication signal frequency.The continuous lifting of communication system performance, has higher requirement to wave filter, it is desirable to filter loss is little, volume is little, lightweight.The limited amount of existing dielectric filter resonator, thus causing that the filter range that can carry out is subject to certain restrictions, affects the general effect of wave filter.
Summary of the invention.
It is an object of the invention to there are the problems referred to above for existing technology, propose one and be provided by multiple body, the resonator of the inside of each body is connected by cable, is attached by cable between multiple bodies, has widened a kind of dielectric filter of the scope that can be filtered greatly.
The purpose of the present invention can be realized by following technical proposal:
A kind of dielectric filter, including the first housing be arrangeding in parallel and the second housing, the described first housing and the second housing are all in cuboid, and include multiple resonator, the outer surface of the described first housing and the second housing is covered with one layer of conductive layer, the side at the place, long limit of the described first housing and the second housing is equidistantly provided with multiple perpendicular grooves, the upper surface of the described first housing and the second housing is provided with the first cable, one end of described first cable is positioned at the upper surface of the first housing, the other end of described first cable is positioned at the upper surface of the second housing, the straight line parallel at the minor face place of the straight line at described first cable place and the first housing and the second housing, the upper surface of the described first housing is provided with the second cable, the straight line parallel at the straight line at described second cable place and the place, long limit of the first housing, the upper surface of the described second housing is provided with the 3rd cable, the straight line parallel at the straight line at described 3rd cable place and the place, long limit of the second housing, described second cable and the 3rd cable are all connected with plural resonator.
In above-mentioned a kind of dielectric filter, described conductive layer is silver conductive layer.
In above-mentioned a kind of dielectric filter, the described first housing and the second housing are ceramic material and make, and the same side is equipped with stair-stepping port part, and described port part is provided with multiple connection terminal, it is simple to patching operations.
In above-mentioned a kind of dielectric filter, described perpendicular grooves is more than three, and the structure of each perpendicular grooves is identical.
In above-mentioned a kind of dielectric filter, described first cable, the second cable and the 3rd cable are deformable trap cable.
Compared with prior art, this dielectric filter includes the multiple bodies being connected by cable, the resonator of the inside of each body is connected by cable, extend the working range of this wave filter greatly, this wave filter is made to be applicable to more field, and the same side is equipped with stair-stepping port part, port part is provided with multiple connection terminal, it is easy to patching operations, loss is little, volume is little, lightweight, greatly meet the demand of current mobile communication equipment development, this dielectric waveguide filter can according to the needs of designer selecting the plural resonator electrical form needed to couple together in several resonators, play the effect replacing inserting sensor, good attenuation characteristic can be arbitrarily guaranteed on the frequency band required.Designer according to the wave filter of this structure wave filter according to the arbitrarily devised needs of the wish of oneself, thus facilitating the design of designer, can accelerate the release of desin speed and new product.
Accompanying drawing explanation
Fig. 1 is a kind of dielectric filter top view.
Fig. 2 is a kind of dielectric filter side view.
In figure, 1, the first housing；2, the second housing；3, perpendicular grooves；4, the first cable；5, the second cable；6, the 3rd cable；7, port part；8, terminal is connected.
Detailed description of the invention
The following is specific embodiments of the invention and in conjunction with accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As shown in Figure 1-2, a kind of dielectric filter, including the first housing 1 be arrangeding in parallel and the second housing 2, the first housing 1 and the second housing 2 are all in cuboid, and include multiple resonator, the outer surface of the first housing 1 and the second housing 2 is covered with one layer of conductive layer, the side at the place, long limit of the first housing 1 and the second housing 2 is equidistantly provided with multiple perpendicular grooves 3, the upper surface of the first housing 1 and the second housing 2 is provided with the first cable 4, one end of first cable 4 is positioned at the upper surface of the first housing 1, the other end of the first cable 4 is positioned at the upper surface of the second housing 2, the straight line parallel at the minor face place of the straight line at the first cable 4 place and the first housing 1 and the second housing 2, the upper surface of the first housing 1 is provided with the second cable 5, the straight line parallel at the straight line at the second cable 5 place and the place, long limit of the first housing 1, the upper surface of the second housing 2 is provided with the 3rd cable 6, the straight line parallel at the straight line at the 3rd cable 6 place and the place, long limit of the second housing 2, second cable 5 and the 3rd cable 6 are all connected with plural resonator, first cable 4, second cable 5 and the 3rd cable 6 all adopt deformable trap cable.
Conductive layer is silver conductive layer.The first housing 1 and the second housing 2 are ceramic material and make, and the same side is equipped with stair-stepping port part 7, and port part 7 is provided with multiple connection terminal 8, it is simple to patching operations.Perpendicular grooves 3 is more than three, and the structure of each perpendicular grooves 3 is identical.
This dielectric waveguide filter can according to the needs of designer selecting the plural resonator electrical form needed to couple together in several resonators, play the effect replacing inserting sensor, it is possible on the frequency band required, arbitrarily guarantee good attenuation characteristic.Designer according to the wave filter of this structure wave filter according to the arbitrarily devised needs of the wish of oneself, thus facilitating the design of designer, can accelerate the release of desin speed and new product.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount the scope that appended claims is defined.
Although more employing the first housing 1, the second housing 2, perpendicular grooves the 3, first cable the 4, second cable 5, the 3rd cable 6, port part 7 herein, connecting the terms such as terminal 8, but it is not precluded from using the probability of other term.These terms are used to be only used to describe and explain more easily the essence of the present invention；It is all contrary with spirit of the present invention for being construed as any additional restriction.
Claims (5)
1. a dielectric filter, including the first housing be arrangeding in parallel and the second housing, the described first housing and the second housing are all in cuboid, and include multiple resonator, it is characterized in that, the outer surface of the described first housing and the second housing is covered with one layer of conductive layer, the side at the place, long limit of the described first housing and the second housing is equidistantly provided with multiple perpendicular grooves, the upper surface of the described first housing and the second housing is provided with the first cable, one end of described first cable is positioned at the upper surface of the first housing, the other end of described first cable is positioned at the upper surface of the second housing, the straight line parallel at the minor face place of the straight line at described first cable place and the first housing and the second housing, the upper surface of the described first housing is provided with the second cable, the straight line parallel at the straight line at described second cable place and the place, long limit of the first housing, the upper surface of the described second housing is provided with the 3rd cable, the straight line parallel at the straight line at described 3rd cable place and the place, long limit of the second housing, described second cable and the 3rd cable are all connected with plural resonator.
2. a kind of dielectric filter according to claim 1, it is characterised in that described conductive layer is silver conductive layer.
3. a kind of dielectric filter according to claim 1, it is characterised in that the described first housing and the second housing are ceramic material and make, and the same side is equipped with stair-stepping port part, and described port part is provided with multiple connection terminal.
4. a kind of dielectric filter according to claim 1, it is characterised in that described perpendicular grooves is more than three, and the structure of each perpendicular grooves is identical.
5. a kind of dielectric filter according to claim 1, it is characterised in that described first cable, the second cable and the 3rd cable are deformable trap cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180074.7A CN105720332A (en) | 2016-03-27 | 2016-03-27 | Dielectric filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180074.7A CN105720332A (en) | 2016-03-27 | 2016-03-27 | Dielectric filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105720332A true CN105720332A (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610180074.7A Pending CN105720332A (en) | 2016-03-27 | 2016-03-27 | Dielectric filter |
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| Country | Link |
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| CN (1) | CN105720332A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107743023A (en) * | 2017-11-13 | 2018-02-27 | 戴承萍 | A kind of resonator structure and the wave filter for including this resonator structure |
| CN110459841A (en) * | 2019-08-14 | 2019-11-15 | 苏州波发特电子科技有限公司 | A kind of dielectric filter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202121036U (en) * | 2011-05-26 | 2012-01-18 | 苏州市新诚氏电子有限公司 | Waveguide filter of coupling medium |
-
2016
- 2016-03-27 CN CN201610180074.7A patent/CN105720332A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202121036U (en) * | 2011-05-26 | 2012-01-18 | 苏州市新诚氏电子有限公司 | Waveguide filter of coupling medium |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107743023A (en) * | 2017-11-13 | 2018-02-27 | 戴承萍 | A kind of resonator structure and the wave filter for including this resonator structure |
| CN110459841A (en) * | 2019-08-14 | 2019-11-15 | 苏州波发特电子科技有限公司 | A kind of dielectric filter |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20160629 |