CN103985933B - The multi-vibration-mode filter of transmission zero can be adjusted - Google Patents
The multi-vibration-mode filter of transmission zero can be adjusted Download PDFInfo
- Publication number
- CN103985933B CN103985933B CN201410035979.6A CN201410035979A CN103985933B CN 103985933 B CN103985933 B CN 103985933B CN 201410035979 A CN201410035979 A CN 201410035979A CN 103985933 B CN103985933 B CN 103985933B
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- Prior art keywords
- bolt
- cavity
- coupling
- vibration
- transmission zero
- Prior art date
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 42
- 230000008878 coupling Effects 0.000 claims abstract description 87
- 238000010168 coupling process Methods 0.000 claims abstract description 87
- 238000005859 coupling reaction Methods 0.000 claims abstract description 87
- 238000003780 insertion Methods 0.000 claims abstract description 22
- 230000037431 insertion Effects 0.000 claims abstract description 22
- 230000005489 elastic deformation Effects 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000004697 Polyetherimide Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920001601 polyetherimide Polymers 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229920004738 ULTEM® Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003094 perturbing effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
- H01P1/207—Hollow waveguide filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
-
- 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
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
- H01P1/2084—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with dielectric resonators
- H01P1/2086—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with dielectric resonators multimode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention provides a kind of multi-vibration-mode filter that can adjust transmission zero.The wave filter includes：Multiple cavities；Coupling window, it is formed at the wall portion between continuously arranged first cavity and the second cavity in the multiple cavity；First tuning bolt, it is inserted into the left side of the coupling window into the coupling window, and can adjust its insertion depth；And second tune bolt, it is inserted into the right side of the coupling window into the coupling window, and can adjust its insertion depth.Wave filter according to the present invention, can adjust transmission zero in multi-vibration-mode filter.
Description
Technical field
The embodiment of the present invention is related to a kind of broadband multiplex mode dielectric filter, more particularly to a kind of special with broadband
Property, and the broadband multiplex mode dielectric filter of coupling amount between cavity can be adjusted.
Background technology
In tower amplifier (Tower Mounted Amplifier:TMA), radio wideband head end (Remote Radio
Head:RRH), wireless antenna integrated (Radio Integrated Antenna:RIA) usually it can be seen that radio frequency (Radio
Frequency:RF) unit is arranged at base transceiver station (Base Transceiver Station:BTS) the positive bottom of antenna
End.Its object is to prevent from transmitting the loss of electric power and the decline of receiving sensitivity caused by BTS feed cables.
It is arranged to the positive bottom of antenna, i.e., for the characteristic on tower, miniaturization, the lightweight of RF units are essential
Key factor, and account in terms of weight and volume the wave filter of maximum ratio, it is especially desirable to minimize, now concerning this side
The research in face is very active.
Also, with the development of mobile communication correlation technique, system is necessary to ensure that to improve data transmission bauds
Bandwidth, improve interference between receiving sensitivity and minimum and other communication systems, it is especially desirable to a kind of low (Low of insertion loss
Insertion loss), the broadband filter of degree of suppression height (High rejection).
In order to which a kind of wave filter in the wave filter that meets this demand and develop is multi-vibration-mode filter, it is different
It is that multiple resonance are utilized in single resonator in the single-mode wave filter that single resonance mode is utilized in single resonator
The wave filter of pattern, it can be reduced the size compared with single-mode wave filter, can play high-performance.Filtered with double-mode
Exemplified by ripple device, compared with single-mode wave filter, it is necessary to 1/2 cavity, therefore compact filter can be made in it.
Due to Engineering Error etc., this multi-vibration-mode filter needs to be adjusted, needed for multi-vibration-mode filter
Adjusting be divided into adjusting for the purpose of adjusting centre frequency and to keep centre frequency while adjusts the transmission of rejection band
Adjusting for the purpose of zero point (Transmission-Zero).
Adjusting for the purpose of adjusting centre frequency, can be adjusted by adjusting between cavity coupling amount, but its problem
It is that can not rationally adjust four groups of coupling (CQC of cascade;Cascaded Quadruplet Coupling) caused by transmission zero
Distortion.
The content of the invention
Technical problem
In order to solve prior art problem as described above, there is provided a kind of multiplex mode filtering that can adjust transmission zero
Device.
Technical solution
In order to reach the purpose, in accordance with a preferred embodiment of the present invention, there is provided a kind of to adjust transmission zero
Multi-vibration-mode filter, it includes：Multiple cavities；Coupling window, it is formed at continuously arranged first chamber in the multiple cavity
Wall portion between body and the second cavity；First tuning bolt, it is inserted into the coupling window from the left side of the coupling window, and
Its insertion depth can be adjusted；And
Second tune bolt, it is inserted into the coupling window from the right side of the coupling window, and can adjust its insertion
Depth.
The wave filter of the present invention can also include the resonator for being respectively arranged at the multiple cavity.
The material of first tuning bolt and the second tune bolt can be metal.
First tuning bolt and the second tune bolt through lid and are inserted into the coupling window, described first
The outer circumferential surface of tuning bolt and the second tune bolt can adjust its insertion depth formed with screw thread by rotation.
The adjusting of the insertion depth of first tuning bolt and the second tune bolt is independent.
The wave filter of the present invention can also include combination member, it is set in parallel in the coupling window with the wall portion
It is interior, for reference to first tuning bolt and the second tune bolt.
The combination member is supported by the joint bolt for being incorporated into lid.
The wave filter of the present invention can also include：Coupling plate, it passes through the coupling window, by flexible metal material
Formed, and including positioned at the first coupling part being contained in above the first resonator of first cavity and positioned at being contained in
State the second coupling part above the second resonator of the second cavity；
3rd tuning bolt, it is inserted into first cavity through lid and can adjust its insertion depth, to described
First coupling part presses so that first coupling part elastic deformation downwards；And
4th tuning bolt, it is inserted into second cavity through the lid and can adjust its insertion depth, right
Second coupling part pressure so that second coupling part elastic deformation downwards.
Technique effect
According to the present invention, transmission zero can be adjusted in multi-vibration-mode filter.
Brief description of the drawings
Fig. 1 is the perspective elevation of the multi-vibration-mode filter that can adjust transmission zero of one embodiment of the invention；
Fig. 2 is the section in the multi-vibration-mode filter X-X ' directions that can adjust transmission zero of one embodiment of the invention
Figure；
Fig. 3 is the stereogram of the multi-vibration-mode filter that can adjust transmission zero of one embodiment of the invention；
Fig. 4 is the internal plane of the multi-vibration-mode filter that can adjust transmission zero of one embodiment of the invention；
Fig. 5 is the schematic diagram of the structure for the coupling plate for being specifically illustrating one embodiment of the invention；
Fig. 6 is the schematic diagram of the work of coupling amount between adjusting cavity in the wave filter of one embodiment of the invention；
Fig. 7 is the schematic diagram of the example that the transmission zero of high frequency and low frequency is adjusted when being adjusted.
Embodiment
The present invention can carry out numerous variations, can have multiple embodiments, illustrate specific embodiment in the accompanying drawings and give in detail
Describe in detail bright.But this does not really want to limit the invention to specific embodiment, and it is understood to include the thought and technology of the present invention
What scope was included have altered, equivalent substitution and substitute.When illustrating each attached drawing, to being similarly comprised key element using similar
Reference numeral.
The embodiment that the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is the perspective elevation of the multi-vibration-mode filter that can adjust transmission zero of one embodiment of the invention,
Fig. 2 is X-X ' the directional profile figures of the multi-vibration-mode filter that can adjust transmission zero of one embodiment of the invention, and Fig. 3 is
The stereogram of the multi-vibration-mode filter that can adjust transmission zero of one embodiment of the invention, Fig. 4 are a reality of the invention
Apply the internal plane of the multi-vibration-mode filter that can adjust transmission zero of example.
As shown in Figures 1 to 4, the multi-vibration-mode filter that can adjust transmission zero of one embodiment of the invention includes
Housing 100, input connector 102, out connector 104, cavity 110 and 112, resonator 120 and 122, coupling window 130, coupling
Plywood 140, joint bolt 150, combination member 160, the first tuning bolt 170, second tune bolt 172, the 3rd tuning bolt
180th, the 4th tuning bolt 182, wall portion 190 and lid 200.
The multi-vibration-mode filter that can adjust transmission zero of one embodiment of the invention is provided with input connector 102
And out connector 104, by 102 input rf signal of input connector, filtered output is exported by out connector 104
Signal.
Fig. 2 displays set the multi-vibration-mode filter of two cavitys 110,112 and two resonators 120,122, but this hair
Bright those skilled in the art is obviously it will be appreciated that the quantity of cavity and resonator can be changed according to required feature.
Cavity 110,112 is the space resonated, and resonator 120,122 is provided with each cavity 110,112.Resonator
120th, 122 be the inscape for obtaining required resonance characteristics in each cavity 110,112, and the resonance characteristics of cavity is with altogether
Shake device 120,122 form and dimension change.
The multi-vibration-mode filter of the present invention can be double-mode wave filter, can produce two in each cavity at this time vertically
Intersecting resonance mode, shows first mode and the direction of an electric field of second mode, the second cavity in the first cavity 110 of Fig. 4
The direction of an electric field of the third mode and fourth mode is shown in 112.
In order to play the role of double-mode wave filter, need to couple between pattern, first in the first cavity 110
Need to couple between pattern and second mode, need to couple between the third mode and fourth mode in the second cavity 112.
In the case of other no special constructions, in esoteric two patterns of each chamber without interrelated, only each other
It is vertical, therefore 0 is coupled as between pattern, in order to make that coupling occurs, it is necessary in addition increase perturbation structure between pattern.Fig. 1 to Fig. 4 is shown
Embodiment in be simplified attached drawing, eliminate the perturbation structure for working with double-mode, technology of the art
Personnel are obviously it will be appreciated that a variety of known perturbation structures can be used.
For example, the bolt for perturbing can be inserted into each cavity 110,112, also portion's formation it can be used for what is perturbed in the cavity
Protrusion construction.
Wall portion 190 is formed in order to distinguish the first cavity 110 and the second cavity 112, and coupling window is formed in wall portion 190
130, so as to be coupled between the first cavity 110 and the second cavity 112.
In the embodiment shown in Fig. 1 to Fig. 4, coupling plate 140, the 3rd tuning bolt 180 and the 4th tuning bolt 182 are
For adjusting the inscape of coupling amount between cavity, 160 and first tuning bolt 170 of combination member and second tune bolt 172
It is the inscape for adjusting transmission zero.
Coupling plate 140 is set through coupling window 130, and is made of metal material.The both ends of coupling plate 140 are by by plastics
The pressure that the 3rd tuning bolt and the 4th tuning bolt 180,182 formed applies.
3rd tuning bolt 180 and the 4th tuning bolt 182 pass through the lid 200 of wave filter, the inner peripheral surface in the hole of lid
And the 3rd the outer circumferential surface of tuning bolt 180 and the 4th tuning bolt 182 form screw thread, can pass through to rotate and adjust insertion depth.
Fig. 5 is the schematic diagram for the coupling harden structure for being particularly shown one embodiment of the invention.
As shown in figure 5, coupling plate 140 can include the first coupling part 142a, the second coupling part 142b and connecting portion 144,
Wherein, the first coupling part 142a and 120 every predetermined interval of the first resonator and positioned at the top of the first resonator 120, this
Two coupling part 142b and the second resonator 122 are separated by predetermined second and are spaced and positioned at the top of the second resonator 122, the connecting portion
144 connection the first coupling part 142a and the second coupling part 142b.
Connecting portion 144 and first coupling part 142a and the second coupling part 142b be not same flat in the explanation of the present invention
Face, therefore the whole bending of coupling plate 140 protrusion, but this is not necessarily limited to, coupling plate 140 can also be linear structure.
Also, coupling plate 140 can be fixed by being inserted into the joint bolt 150 inside coupling window 130 through lid 200.
Joint bolt 150 is made of plastics, therefore, coupling plate 140 with ground connection or resonator 120,122 it is electrically isolated in the state of become
The state of left electrically floating (floating).
Fig. 6 is the schematic diagram of the work of coupling amount between adjusting cavity in the wave filter of one embodiment of the invention.
As shown in fig. 6, the 3rd tuning bolt 180 is inserted into the first cavity 110 through lid 200, and can adjust slotting
Enter depth, it presses the first coupling part 142a so that the first coupling part 142a of coupling plate 140 elastic deformations downwards.
Similarly, the 4th tuning bolt 182 is inserted into the second cavity 112 also through lid 200, and it is deep to adjust insertion
Degree, it presses the second coupling part 142b so that the second coupling part 142b of coupling plate 140 elastic deformations downwards.
At this time, the 3rd tuning bolt 180 and the 4th tuning bolt 182 can be by such as ULTEM (polyetherimide:
) etc. Polyetherimide plastics are formed.
Essentially, as shown in (a) of Fig. 6,120 every predetermined interval of the first coupling part 142a and the first resonator
And positioned at the top of the first resonator 120, the second coupling part 142b and 122 every predetermined interval of the second resonator and positioned at second
The top of resonator 122.
Also, as shown in (b) of Fig. 6, the insertion depth with the 3rd tuning bolt 180 and the 4th tuning bolt 182 adds
Greatly, 182 further pressurization the first coupling part 142a and the second coupling part 142b of the 3rd tuning bolt 180 and the 4th tuning bolt,
Therefore interval between resonator and the 3rd tuning bolt 180 and the 4th tuning bolt 182 reduces, coupling part 142a, 142b and
Coupling area between resonator also reduces therewith.
By the work shown in Fig. 6, coupling amount between cavity can be adjusted, and then resonant frequency can be adjusted.
In addition, according to Fig. 2, coupling window 130 is formed in wall portion 190, as shown in Fig. 2, coupling window is formed as " T " word
Shape.
Coupling plate 140 is set through coupling window 130, and combination member 160 is arranged in coupling window 130.Combination member
160 can equally be fixed by joint bolt 150, and joint bolt 150 is fixed on lid 200.
Combination member 160 is set in parallel in coupling window 130 with wall portion 190, its both ends combines the first tuning bolt 170
And second tune bolt 172.First tuning bolt 170 and second tune bolt 172 are inserted into inside through lid 200, are incorporated into
Combination member 160.
In lid 200, the inner peripheral surface in the hole for being inserted into the first tuning bolt 170 and second tune bolt 172, first
The outer circumferential surface of tuning bolt 170 and second tune bolt 172 forms screw thread, the first tuning bolt 170 and second tune bolt 172
Insertion depth can be adjusted by its rotation.
Though do not shown in Fig. 2, it is also possible to use self-locking on the first tuning bolt 170 and second tune bolt 172
(Self Locking) structure, for fixing its state after threaded screw fasteners insertion depth has been adjusted.
According to another embodiment of the present invention, combination member can not in addition be used.That is, without using combination member,
One tuning bolt 170 and second tune bolt 172 can be inserted into the left side and right side of coupling window 130 respectively.Combination member is auxiliary
Support the first tuning bolt 170 and second tune bolt 172 is helped, therefore even being not provided with combination member.
The first tuning bolt 170 for being incorporated into the left side of coupling window 130 is sent out for adjusting in the low frequency of filter band
The position of raw transmission zero, second tune bolt 172 are used to adjust the transmission zero occurred under the high frequency of filter band
Position.
At this time, the adjusting of the transmission zero location under low frequency and the transmission zero location under high frequency is mutually independent.
That is, when adjusting the intubating length of the first tuning bolt 170, the frequency of the transmission zero occurred in low frequency obtains
Adjust, and the frequency of the transmission zero occurred in high frequency does not change.
Also, when adjusting the insertion depth of second tune bolt 172, the frequency of the transmission zero occurred in high frequency obtains
To adjusting, and the frequency of the transmission zero occurred at low frequency does not change.
First tuning bolt 170 and second tune bolt 172 are preferably formed with metal material.
Therefore, when using the regulative mode of the present invention, the transmission zero that occurs in high frequency and occur at low frequency
The adjusting of transmission zero is independent.
Fig. 7 is the schematic diagram of the example that the transmission zero of high frequency and low frequency is adjusted when being adjusted, wherein Fig. 7's
(a) it is the schematic diagram by frequency band that shows wave filter, (b) of Fig. 7 is the low-frequency transmission zero of wave filter when showing to be adjusted
The schematic diagram of the adjusted example of point, (c) of Fig. 7 is that the high-frequency transmission zero point of wave filter when showing to be adjusted is adjusted
Example schematic diagram.
From (b) and (c) of Fig. 7, the biography of low frequency and high frequency when adjusting the first tuning bolt and second tune bolt
Defeated zero point is each adjusted.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (7)
- A kind of 1. multi-vibration-mode filter that can adjust transmission zero, it is characterised in that including：Multiple cavities；Coupling window, it is formed at the wall portion between continuously arranged first cavity and the second cavity in the multiple cavity；First tuning bolt, it is inserted into the coupling window from the left side of the coupling window, and can adjust its insertion depth；Second tune bolt, it is inserted into the coupling window from the right side of the coupling window, and can adjust its insertion depth；Coupling plate, it passes through the coupling window, is formed by flexible metal material, and including positioned at being contained in described the The first coupling part above first resonator of one cavity and positioned at being contained in above the second resonator of second cavity Second coupling part；3rd tuning bolt, it is inserted into first cavity through lid and can adjust its insertion depth, to described first Coupling part presses so that first coupling part elastic deformation downwards；And4th tuning bolt, it is inserted into second cavity through the lid and can adjust its insertion depth, to described Second coupling part presses so that second coupling part elastic deformation downwards.
- 2. the multi-vibration-mode filter according to claim 1 that transmission zero can be adjusted, it is characterised in that further include：Resonator, it is respectively arranged at the multiple cavity.
- 3. the multi-vibration-mode filter according to claim 1 that transmission zero can be adjusted, it is characterised in that：The material of first tuning bolt and the second tune bolt is metal.
- 4. the multi-vibration-mode filter according to claim 1 that transmission zero can be adjusted, it is characterised in that：First tuning bolt and the second tune bolt through lid and are inserted into the coupling window, first tuning The outer circumferential surface of bolt and the second tune bolt can adjust its insertion depth formed with screw thread by rotation.
- 5. the multi-vibration-mode filter according to claim 4 that transmission zero can be adjusted, it is characterised in that：The adjusting of the insertion depth of first tuning bolt and the second tune bolt is independent.
- 6. the multi-vibration-mode filter according to claim 1 that transmission zero can be adjusted, it is characterised in that further include：Combination member, it is set in parallel with the wall portion in the coupling window, for reference to first tuning bolt and The second tune bolt.
- 7. the multi-vibration-mode filter according to claim 6 that transmission zero can be adjusted, it is characterised in that：The combination member is supported by the joint bolt for being incorporated into lid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0009266 | 2013-01-28 | ||
| KR1020130009266A KR101420044B1 (en) | 2013-01-28 | 2013-01-28 | Multi Mode Filter Capable of Tuning Transmission-Zero |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103985933A CN103985933A (en) | 2014-08-13 |
| CN103985933B true CN103985933B (en) | 2018-04-17 |
Family
ID=51277823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410035979.6A Expired - Fee Related CN103985933B (en) | 2013-01-28 | 2014-01-24 | The multi-vibration-mode filter of transmission zero can be adjusted |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101420044B1 (en) |
| CN (1) | CN103985933B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101756124B1 (en) | 2015-11-30 | 2017-07-11 | 주식회사 케이엠더블유 | Cavity type radio frequency filter with cross-coupling notch structure |
| WO2018212570A1 (en) | 2017-05-17 | 2018-11-22 | 주식회사 에이스테크놀로지 | Triple mode dielectric resonator filter, manufacturing method therefor, and bandpass filter using dielectric resonator and nrn stub |
| KR101897625B1 (en) | 2017-09-01 | 2018-09-12 | 주식회사 에이스테크놀로지 | (BPF(BandPass Filter) using Triple Mode Dielectric Resonator and NRN(Non-resonating node) Stub |
| CN110299588A (en) * | 2018-03-22 | 2019-10-01 | 京信通信系统（中国）有限公司 | Cavity body filter |
| KR102194401B1 (en) * | 2020-06-18 | 2020-12-23 | 주식회사 엘트로닉스 | Method and system for fabricating high frequency cavity filter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090109445A (en) * | 2008-04-15 | 2009-10-20 | (주)에어링크테크놀로지 | Cylindrical dielectric resonator with a disc-typed groove, and multi mode band pass filter using it |
| CN202395127U (en) * | 2011-12-15 | 2012-08-22 | 摩比天线技术（深圳）有限公司 | Coupled structure between adjacent dielectric resonators of TE01 mold and filter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3019750B2 (en) * | 1995-08-21 | 2000-03-13 | 株式会社村田製作所 | Dielectric resonator device |
| US6559740B1 (en) * | 2001-12-18 | 2003-05-06 | Delta Microwave, Inc. | Tunable, cross-coupled, bandpass filter |
| US20120249266A1 (en) * | 2011-03-31 | 2012-10-04 | Ace Technologies Corporation | Rf filter for adjusting coupling amount or transmission zero |
| KR101207141B1 (en) * | 2011-03-31 | 2012-11-30 | 주식회사 에이스테크놀로지 | Rf filter for tuning coupling amount or transmission zero |
-
2013
- 2013-01-28 KR KR1020130009266A patent/KR101420044B1/en active IP Right Grant
-
2014
- 2014-01-24 CN CN201410035979.6A patent/CN103985933B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090109445A (en) * | 2008-04-15 | 2009-10-20 | (주)에어링크테크놀로지 | Cylindrical dielectric resonator with a disc-typed groove, and multi mode band pass filter using it |
| CN202395127U (en) * | 2011-12-15 | 2012-08-22 | 摩比天线技术（深圳）有限公司 | Coupled structure between adjacent dielectric resonators of TE01 mold and filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103985933A (en) | 2014-08-13 |
| KR101420044B1 (en) | 2014-07-17 |
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