CN108206320A - Utilize the wave filter and notch diplexer of disresonance node - Google Patents
Utilize the wave filter and notch diplexer of disresonance node Download PDFInfo
- Publication number
- CN108206320A CN108206320A CN201711370633.1A CN201711370633A CN108206320A CN 108206320 A CN108206320 A CN 108206320A CN 201711370633 A CN201711370633 A CN 201711370633A CN 108206320 A CN108206320 A CN 108206320A
- Authority
- CN
- China
- Prior art keywords
- shell
- stub
- cavity
- feed
- lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
-
- 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
-
- 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
- H01P1/2088—Integrated in a substrate
-
- 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
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2138—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using hollow waveguide filters
-
- 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
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention discloses the wave filter and notch diplexer using disresonance node.Disclosed notch diplexer includes：Multiple cavities are defined by multiple next doors and accommodate the shell of resonator in each cavity；Positioned at the top of the shell and be formed with feed pattern feed PCB；And positioned at the top of the feed PCB and it is incorporated into the lid that the shell forms masking structure, wherein, a part forms the first filtering circuit of the RF signals of filtering first band in the multiple cavity, remaining forms the second filtering circuit of the RF signals of filtering second band, and the lower part of the lid is formed with the multiple grooves for corresponding respectively to the multiple cavity.According to disclosed wave filter and notch diplexer, have the advantages that wave filter and notch diplexer can realize disresonance node by simple structure, wave filter and notch diplexer can keep highly attenuating characteristic and have the advantages that small-sized size.
Description
Technical field
The present invention relates to wave filter and notch diplexers, more particularly to utilize the wave filter and day of disresonance node
Line duplexer.
Background technology
Wave filter is the device for the function of playing the signal by special frequency band, and the base station of mobile communication system is in order to height
Power signal is filtered and uses cavity body filter.In addition, notch diplexer is the device for filtering two different frequency bands, have
With reference to there are two the forms of independent wave filter.
With the development of communication service, data transmission bauds rises, therefore system bandwidth also should accordingly increase, and need to improve
It receives susceptibility and interferes caused by minimizing the carrier wave (carrier) of other communication systems.
With the appearance of this demand, the requirement to the wave filter with highly attenuating characteristic also rises therewith, and makes filtering
Utensil needs to have multiple resonators and cavity in the case of having attenuation characteristic, so as to have the problem of filter size increase.
For theory, wave filter can be improved in the case of forming transmission zero (Transmission-zero) or pole
And the attenuation characteristic of notch diplexer.The method for forming transmission zero or pole has using disresonance node (Non
Resonating node) method.
However, disresonance node not a duck soup is realized on the wave filter and notch diplexer for using cavity, therefore although
Disresonance node has the advantage that, but actually disresonance node is not widely used in cavity body filter and notch diplexer.
Invention content
Technical problem
The present invention for solving above-mentioned technical problem, provide by simple structure realize disresonance node wave filter and
Notch diplexer.
It is another object of the present invention to keep highly attenuating characteristic and with miniature dimensions wave filter and notch diplexer.
Technical solution
To reach above-mentioned purpose, according to one aspect of the invention, a kind of notch diplexer is provided, including：Shell passes through
Multiple next doors define multiple cavities and accommodate resonator in each cavity；PCB is fed, be located at the top of the shell and is formed with
Feed pattern；And lid, it is located at the top of the feed PCB and is incorporated into the shell formation masking structure, wherein, it is described
A part forms the first filtering circuit of the RF signals of filtering first band in multiple cavities, remaining forms filtering second band
Second filtering circuit of R F signals, the lower part of the lid are formed with the multiple grooves for corresponding respectively to the multiple cavity.
The feed pattern is formed at least one stub, and the terminal of the stub is electrically connected to the shell.
The feed pattern includes providing the first feeder line of electric feed signal and to described to first filtering circuit
Second filtering circuit provides the second feeder line of electric feed signal.
At least one protrusion for covering the terminal for being formed with the stub that pressurizes.
The terminal of the stub contacts the next door of the shell, contacts the next door of the part of the terminal of the stub
Highly it is set higher than other parts.
According to another aspect of the present invention, a kind of notch diplexer is provided, including：Shell is defined by multiple next doors
Multiple cavities and each cavity accommodate resonator；PCB is fed, be located at the top of the shell and is formed with feed pattern；With
And lid, it is located at the top of the feed PCB and is incorporated into the shell formation masking structure, wherein, in the multiple cavity
A part forms the first filtering circuit of the RF signals of filtering first band, remaining forms the of the RF signals of filtering second band
Two filtering circuits, the feed pattern are formed at least one stub, and the terminal of the stub is electrically connected to the shell.
According to another aspect of the invention, a kind of RF wave filters are provided, including：Shell is defined more by multiple next doors
A cavity and each cavity accommodate resonator；PCB is fed, be located at the top of the shell and is formed with feed pattern；And
Lid is located at the top of the feed PCB and is incorporated into the shell formation masking structure, wherein, the lower part of the lid is formed
There are the multiple grooves for corresponding respectively to the multiple cavity.
According to another aspect of the invention, a kind of RF wave filters are provided, including：Shell is defined more by multiple next doors
A cavity and each cavity accommodate resonator；PCB is fed, be located at the top of the shell and is formed with feed pattern；And
Lid is located at the top of the feed PCB and is incorporated into the shell formation masking structure, wherein, the feed pattern is formed
There is at least one stub, the terminal of the stub is electrically connected to the shell.
Technique effect
According to an embodiment of the invention, there is wave filter and notch diplexer can realize disresonance by simple structure
The advantages of node.
Also, the wave filter and notch diplexer of the embodiment of the present invention, which have, keeps highly attenuating characteristic and small excellent of size
Point.
Description of the drawings
Fig. 1 is the exploded perspective of the structure for the notch diplexer using disresonance node for showing one embodiment of the invention
Figure；
Fig. 2 is the plan view of the shell of the notch diplexer using disresonance node of one embodiment of the invention；
Fig. 3 is the plan view of the feed PCB of the notch diplexer using disresonance node of one embodiment of the invention；
Fig. 4 is the stereogram of the lid of one embodiment of the invention；
Exploded perspective views of the Fig. 5 for a cavity in the notch diplexer of one embodiment of the invention；
Fig. 6 is the output not having on the notch diplexer for show one embodiment of the invention in the case of groove and stub
The curve graph of characteristic；
Fig. 7 is the output characteristics in the case that display bandstop filter is also formed with the stub of one embodiment of the invention
Curve graph；
Fig. 8 is to show that the output in the case of the groove of lid that bandstop filter is also formed with one embodiment of the invention is special
The curve graph of property.
Specific embodiment
Referring to attached drawing, the present invention will be described below.But the present invention can by it is a variety of it is different in the form of realize, therefore not
It is limited to embodiment described herein as.
Also, in order to ensure clearly stating the present invention, the part unrelated with explanation is omitted in attached drawing, throughout the manual
Similar reference numeral is labelled with to similar part.
Certain part " connection " is mentioned in entire description in the case of other parts, not only includes the feelings of " being directly connected to "
Condition, further include also has a case that other component and " being indirectly connected with " among it.
Also, it when mentioning certain part " comprising " inscape, is represented under the premise of without especially opposite record
Can also have other inscapes, and and other non-excluded inscapes.
Hereinafter the embodiment of the present invention is illustrated referring to attached drawing.
Fig. 1 is the exploded perspective of the structure for the notch diplexer using disresonance node for showing one embodiment of the invention
Figure, Fig. 2 are the plan view of the shell of the notch diplexer using disresonance node of one embodiment of the invention, and Fig. 3 is this hair
The plan view of the feed PCB of the notch diplexer using disresonance node of bright one embodiment.
Referring to Fig. 1, the notch diplexer using disresonance node of one embodiment of the invention includes shell 100, feed
PCB 150 and lid 200.
Feed PCB 150 and lid 200 are rotated 180 degree and are shown by Fig. 1 in order to be explicitly shown structure, and are actually tied
During conjunction, feed PCB 150 and lid 200 and combined in diagram state backspin turnback.That is, 180 degree, which is rotated into Fig. 1, feeds PCB
Become following configuration above 150 on 100 top of shell, 180 degree, which is rotated into above lid 200, to be become with reference in shell
100。
Shell 100 has rectangle form, is structure open above, the upper surface of open to be incorporated into lid, finally assembles
In the case of be masking inside notch diplexer.Shell 100 is made of metal material.As an example, it can be formed with aluminium
After carry out the processing of gold-plated category shell 100 be made.
Enclosure is formed with multiple next doors 102 to define multiple cavities, and resonator 110 is accommodated in each cavity.Resonator
110 be the inscape for forming resonance frequency band in the resonant frequency of needs, and resonator 110 is incorporated into the bottom of shell.
Fig. 1 shows the resonator 110 of quadrangle column form, but the form of resonator 110 can there are many, can also use
The resonator of cylindrical conformation.The material of dielectric material and metal material as resonator can be selected as needed.Antenna duplexer
The resonant frequency of device depends on the size of resonator 110 and the form of resonator.
There are two input connector 120,122 and out connectors 124 for the combination of shell 100.First input connector 120 and
Second input connector 122 is respectively used to the RF signals of input different frequency bands.
Referring to Fig. 2, the notch diplexer of one embodiment of the invention includes two filtering circuits.First filtering circuit 210
It is the circuit for the RF signals for filtering first band, the second filtering circuit 220 is the circuit for the RF signals for filtering second band.
The signal for inputting the first input connector 120 is independently filtered by the first filtering circuit 210, the second input of input
The signal of connector 122 is independently filtered by the second filtering circuit 220.
First filtering circuit 210 and the signal of the second filtering circuit 220 output are exported by out connector 124.As
One example, out connector 124 may connect to antenna and provide electric feed signal to antenna.
It is of course also possible to the first input connector 120 and the second input connector 122 is made to play output connection as needed
The function of device, out connector 124 play the function of input connector, this be for persons skilled in the art it is aobvious and
It is clear to.
Fig. 1 displays have the notch diplexer there are two filtering circuit, and the present invention is readily applicable to tool there are three more than
The multiplexer of filtering circuit, presumably persons skilled in the art be understood that.Also, the present invention is readily applicable to only
There are one the RF wave filters of filtering circuit, this is also obvious to those skilled in the art.
It feeds PCB 150 and the electric feed signal for being used for filtering is provided.Feed PCB 150 is located on cavity, feeds 150 shapes of PCB
Pattern 152 is fed into having.The height in resonator 110 and next door 102 is set to the height less than shell edge wall.Feed PCB
150 are configured in the edge wall of shell to avoid feed pattern contacts resonator and next door.
Feed PCB 150 is configured to notch diplexer in the case of combining lid 200 afterwards on the shell and forms masking structure.Lid
200 are also made of metal material, are preferably formed with the material identical with shell.
Referring to Fig. 2, it is connected to the first input pin 230 of the first input connector, is connected to the of the second input connector
It two input pins 232 and is connected to the output needle 234 of out connector and is formed in enclosure.
First input pin 230, the second input pin 232 and output needle 234 and the feed pattern for being formed in feed PCB 150
152 electrical contacts.First input pin 230, the second input pin 232 and output needle 234 have the knot protruded to the upper direction of shell
Structure makes it possible to contact feed pattern.
Lid 200 can be incorporated into shell in several ways, the combinations such as can combine, weld by bolt.
Multiple tuning bolts for being inserted into each cavity are combined on lid 200.It can be micro- according to the insertion depth of tuning bolt
The characteristic of notch diplexer is adjusted, the characteristic changed due to mismachining tolerance can be adjusted whereby.
Notch diplexer structure described above is the structure for the notch diplexer for including typical bandstop filter module.
Transmission zero (Transmission Zero) is formed in each cavity to form band resistance, special frequency band is inhibited to pass through with this.The present invention
Structure is further increased so that playing the function of the bandpass filter including disresonance node on feed PCB 150 and lid 200,
Playing has the function of the wave filter of highly attenuating characteristic.
According to a preferred embodiment of the invention, capacitive character disresonance node structure and irritability disresonance node structure are fitted
It uses feed PCB and lid obtains the bandpass filter with highly attenuating characteristic.
Detailed description below is suitable for the invention the structure of capacitive character disresonance node and irritability disresonance node.
Fig. 4 is the stereogram of the lid of one embodiment of the invention.
Referring to Fig. 4, the lid of one embodiment of the invention be formed with multiple grooves (Groove) 400,402,404,406,
408、410、412、414.Multiple grooves form to correspond to the cavity of notch diplexer.Shell shown in FIG. 1 is formed with eight
Cavity, therefore Fig. 4 shows eight grooves.
It is non-that capacitive character is played with the groove 400,402,404,406,408,410,412,414 that cavity is correspondingly formed in lid
The effect of resonance node.It is additional that groove 400,402,404,406,408,410,412,414 in lid is correspondingly formed with cavity
Form resonance pole (Pole).
Each cavity of notch diplexer shown in Fig. 1 to Fig. 4 works to form transmission zero (Transmissi on zero)
To form stopband, each groove work for being formed in lid is additionally formed resonance pole.Each groove is as capacitive character disresonance node work
Make, therefore compared with the stopband that the transmission zero (Transmissi on zero) that transit chamber body is formed is formed, pass through groove type
Into resonance pole formed in the big frequency of resistivity band.
Can the frequency of resonance pole that formed by groove be adjusted by the area of groove.It can be by suitably setting groove
Area to form resonance pole in required frequency.
Exploded perspective views of the Fig. 5 for a cavity in the notch diplexer of one embodiment of the invention.
Referring to Fig. 5, resonator 110 is accommodated in cavity, feed PCB 150 is configured on cavity.Feed the lower part of PCB 150
It is formed with feed pattern.Lid 200 is incorporated on feed PCB, and lid 200 is formed with the groove corresponding to cavity.It is formed in the recessed of lid
Extra resonance occurs in slot, extra resonance is occurred by the resonance of groove.
Referring to the Fig. 3 for the feed pattern for showing feed PCB, feed pattern 152 includes the first feeder line 300 and the second feedback
Electric line 350.First feeder line 300 is located on the first filtering circuit 210, and the second feeder line 350 is located at the second filtering line
On road 220.
It feeds pattern and includes the first input pin connecting portion 360, the second input pin connecting portion 362 and output needle connecting portion 364.
First input pin connecting portion 360 is connected to the first input pin 230, and the second input pin connecting portion 362 is connected to the second input pin
232, output needle connecting portion 364 is connected to output needle 234.
First feeder line 300 and the second feeder line 350 are combined in output needle connecting portion 364.
Feed PCB 150 is formed with multiple through holes 330,332,334,336,338,340,342,344, and through hole is to use
In the hole of tuning bolt perforation.
In first feeder line 300 and the second feeder line 350 it is at least one be formed with stub (stub) 3I0,312,
314th, 316, Fig. 3 shows the situation that multiple stubs are formed on the first feeder line 300.
Stub 310,312,314,316 contacts the next door 102 of shell, and shell 100 has earthing potential, therefore total comes
Say that stub 310,312,314,316 is electrically connected to ground connection.
From feed pattern branch shape into stub 310,312,314,316 play the function of irritability disresonance node.
The stub 310,312,314,316 for playing the function of irritability disresonance node also forms resonance pole.Different from capacitive character
Disresonance node, stub 310,312,314,316 form resonance pole in the low frequency of resistivity band.
As described above, be not formed with the groove 400 for the function of playing capacitive character disresonance node, 402,404,406,
408th, 410,412,414 and in the case of playing the stub 310,312,314,316 of function of irritability disresonance node, day
Line duplexer plays the function of bandstop filter.
In addition, above embodiments illustrate the situation that is formed with groove corresponding with all cavitys is covered, but also may be used
Correspondingly not cover to form groove for all cavitys, but groove is correspondingly formed only for part cavity.As one
A example can be directed to particular cavity body and form stub, groove is formed for particular cavity body, form groove with this and stub is handed over
The structure of fork.
Fig. 6 is the output not having on the notch diplexer for show one embodiment of the invention in the case of groove and stub
The curve graph of characteristic.
Referring to Fig. 6 it is found that in the case of not forming groove and stub, notch diplexer plays general bandstop filter
Function, and stopband (Rejection band) is formed by the transmission zero of cavity.
Fig. 7 is the output characteristics in the case that display bandstop filter is also formed with the stub of one embodiment of the invention
Curve graph.
Referring to Fig. 7 it is found that being additionally formed while the low frequency of resistivity band (Rejection band) forms pole logical
Band (Pass band).And understand that the attenuation characteristic of stopband improves with additional pole is formed.
Fig. 8 is to show that the output in the case of the groove of lid that bandstop filter is also formed with one embodiment of the invention is special
The curve graph of property.
Referring to Fig. 8 it is found that being additionally formed with while the frequency of resistivity band (Rejection band) forms pole
Passband (Pass band).And understand that the attenuation characteristic of stopband improves with additional pole is formed.
Presumably skilled artisans appreciate that embodiment as shown in Figure 1 to Figure 4 be formed simultaneously it is fluted and stub
In the case of, pole is formed in the low frequency of resistivity band and high frequency to form two passbands respectively.
Referring again to Fig. 4, be formed on lid 200 multiple protrusions 450,452,454,456, protrusion 450,452,454,
456 position corresponds to the position of the terminal of each stub 310,312,314,316.
The terminal of each stub 310,312,314,316 of each pressurization of protrusion 450,452,454,456 causes stub
310th, 312,314,316 terminal contact next door 102.The next door part combined with the terminal of stub 310,312,314,316
Height can be set higher than other parts.
Above to illustrate the embodiment of the present invention for including the notch diplexer of two filtering circuits.But presumably ability
Field technique personnel be understood that core component i.e. groove and the stub of the present invention be readily applicable to only there are one
The wave filter of filtering circuit.
The feed pattern of PCB has single feeder line in the case of wave filter, irritability disresonance node to be used
In the case of may be used at the structure that at least one stub is formed on single feeder line.Also, shape can be covered in wave filter
Capacitive character disresonance node is realized at least one groove.
For purposes of illustration only, the embodiment of the present invention is illustrated by taking notch diplexer as an example above.But play disresonance section
The groove of the lid of the function of point and the stub of feed pattern are readily applicable to multiplexer of the tool there are three more than filtering circuit,
It is readily applicable to RF wave filter of the tool there are one filtering circuit.
The explanation of the invention described above is only intended to illustrate, it will be understood by those of ordinary skill in the art that：This is not being departed from
In the range of the technological thought or essential feature of invention, a variety of modifications and changes can be carried out to the present invention.
It is therefore understood that the embodiment recorded above is to be illustrated in terms of all, and not it is defined.
For example, each integral part dispersible implementation of the explanation for single type, equally, illustrates the inscape for dispersing type
It can be implemented with combining form.
The scope of the present invention should be interpreted that the meaning from technical solution, range and its be equal referring to the record of technical solution
Have altered derived from concept or deformation form is both contained in the scope of the present invention.
Claims (15)
1. a kind of notch diplexer, which is characterized in that including：
Shell defines multiple cavities by multiple next doors and accommodates resonator in each cavity；
PCB is fed, be located at the top of the shell and is formed with feed pattern；And
Lid is located at the top of the feed PCB and is incorporated into the shell formation masking structure,
Wherein, a part of the first filtering circuit for forming the RF signals for filtering first band in the multiple cavity, remaining formation
The second filtering circuit of the RF signals of second band is filtered,
The lower part of the lid is formed with the multiple grooves for corresponding respectively to the multiple cavity.
2. notch diplexer according to claim 1, it is characterised in that：
The feed pattern is formed at least one stub, and the terminal of the stub is electrically connected to the shell.
3. notch diplexer according to claim 2, it is characterised in that：
The feed pattern includes providing the first feeder line of electric feed signal and to described second to first filtering circuit
Filtering circuit provides the second feeder line of electric feed signal.
4. notch diplexer according to claim 2, it is characterised in that：
At least one protrusion for covering the terminal for being formed with the stub that pressurizes.
5. notch diplexer according to claim 4, it is characterised in that：
The terminal of the stub contacts the next door of the shell, contacts the height in the next door of the part of the terminal of the stub
It is set higher than other parts.
6. a kind of notch diplexer, which is characterized in that including：
Shell defines multiple cavities by multiple next doors and accommodates resonator in each cavity；
PCB is fed, be located at the top of the shell and is formed with feed pattern；And
Lid is located at the top of the feed PCB and is incorporated into the shell formation masking structure,
Wherein, a part of the first filtering circuit for forming the RF signals for filtering first band in the multiple cavity, remaining formation
The second filtering circuit of the RF signals of second band is filtered,
The feed pattern is formed at least one stub, and the terminal of the stub is electrically connected to the shell.
7. notch diplexer according to claim 6, it is characterised in that：
The lower part of the lid is formed with the multiple grooves for corresponding respectively to the multiple cavity.
8. notch diplexer according to claim 7, it is characterised in that：
At least one protrusion for covering the terminal for being formed with the stub that pressurizes.
9. a kind of RF wave filters, which is characterized in that including：
Shell defines multiple cavities by multiple next doors and accommodates resonator in each cavity；
PCB is fed, be located at the top of the shell and is formed with feed pattern；And
Lid is located at the top of the feed PCB and is incorporated into the shell formation masking structure,
Wherein, the lower part of the lid is formed with the multiple grooves for corresponding respectively to the multiple cavity.
10. RF wave filters according to claim 9, it is characterised in that：
The feed pattern is formed at least one stub, and the terminal of the stub is electrically connected to the shell.
11. RF wave filters according to claim 10, it is characterised in that：
At least one protrusion for covering the terminal for being formed with the stub that pressurizes.
12. RF wave filters according to claim 11, it is characterised in that：
The terminal of the stub contacts the next door of the shell, contacts the height in the next door of the part of the terminal of the stub
It is set higher than other parts.
13. a kind of RF wave filters, which is characterized in that including：
Shell defines multiple cavities by multiple next doors and accommodates resonator in each cavity；
PCB is fed, be located at the top of the shell and is formed with feed pattern；And
Lid is located at the top of the feed PCB and is incorporated into the shell formation masking structure,
Wherein, the feed pattern is formed at least one stub, and the terminal of the stub is electrically connected to the shell.
14. RF wave filters according to claim 13, it is characterised in that：
The lower part of the lid is formed with the multiple grooves for corresponding respectively to the multiple cavity.
15. RF wave filters according to claim 14, it is characterised in that：
At least one protrusion for covering the terminal for being formed with the stub that pressurizes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160174561A KR101810411B1 (en) | 2016-12-20 | 2016-12-20 | Filter and Diplexer Using Non Resonating Node |
| KR10-2016-0174561 | 2016-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108206320A true CN108206320A (en) | 2018-06-26 |
| CN108206320B CN108206320B (en) | 2020-03-31 |
Family
ID=60931411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711370633.1A Expired - Fee Related CN108206320B (en) | 2016-12-20 | 2017-12-18 | Filter and duplexer using non-resonant node |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101810411B1 (en) |
| CN (1) | CN108206320B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102040689B1 (en) * | 2018-03-09 | 2019-11-05 | 주식회사 이엠따블유 | Cavity filter |
| KR102439016B1 (en) * | 2020-10-23 | 2022-09-01 | 주식회사 알에프텍 | Cavity filter and method of manufacturing the same |
| KR102458942B1 (en) * | 2021-02-16 | 2022-10-25 | 주식회사 알에프텍 | Cavity filter and electric device having the same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201804987U (en) * | 2010-06-29 | 2011-04-20 | 深圳市威富通讯技术有限公司 | Dielectric fixing device of TM (transverse magnetic) mode dielectric filter |
| CN104241797A (en) * | 2013-06-07 | 2014-12-24 | 苏州络湾电子科技有限公司 | Resonant cavity for coaxial resonant diplexer, and coaxial resonant diplexer thereof |
| CN104752797A (en) * | 2015-03-31 | 2015-07-01 | 华为技术有限公司 | Microband circuit board and band stop filter |
| CN204706618U (en) * | 2015-04-20 | 2015-10-14 | 深圳市大富科技股份有限公司 | Cavity body filter, duplexer and radio frequency remote equipment |
| CN204927468U (en) * | 2015-09-07 | 2015-12-30 | 李登峰 | Double -deck lid board cavity body wave filter |
| CN106058393A (en) * | 2016-07-29 | 2016-10-26 | 四川天邑康和通信股份有限公司 | Miniaturized cavity duplexer applied to digital repeaters |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9702063D0 (en) | 1997-05-30 | 1997-05-30 | Ericsson Telefon Ab L M | Filter tuning arrangement |
-
2016
- 2016-12-20 KR KR1020160174561A patent/KR101810411B1/en active IP Right Grant
-
2017
- 2017-12-18 CN CN201711370633.1A patent/CN108206320B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201804987U (en) * | 2010-06-29 | 2011-04-20 | 深圳市威富通讯技术有限公司 | Dielectric fixing device of TM (transverse magnetic) mode dielectric filter |
| CN104241797A (en) * | 2013-06-07 | 2014-12-24 | 苏州络湾电子科技有限公司 | Resonant cavity for coaxial resonant diplexer, and coaxial resonant diplexer thereof |
| CN104752797A (en) * | 2015-03-31 | 2015-07-01 | 华为技术有限公司 | Microband circuit board and band stop filter |
| CN204706618U (en) * | 2015-04-20 | 2015-10-14 | 深圳市大富科技股份有限公司 | Cavity body filter, duplexer and radio frequency remote equipment |
| CN204927468U (en) * | 2015-09-07 | 2015-12-30 | 李登峰 | Double -deck lid board cavity body wave filter |
| CN106058393A (en) * | 2016-07-29 | 2016-10-26 | 四川天邑康和通信股份有限公司 | Miniaturized cavity duplexer applied to digital repeaters |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108206320B (en) | 2020-03-31 |
| KR101810411B1 (en) | 2017-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0147726B1 (en) | Dielectric filter | |
| JPH0728165B2 (en) | Ceramic bandpass filter | |
| CN108701886A (en) | Cavity type radio-frequency filter with cross-couplings notch arrangement | |
| US8294532B2 (en) | Duplex filter comprised of dielectric cores having at least one wall extending above a top surface thereof for isolating through hole resonators | |
| KR102040689B1 (en) | Cavity filter | |
| CN108206320A (en) | Utilize the wave filter and notch diplexer of disresonance node | |
| US20080042783A1 (en) | Filter | |
| US20130038404A1 (en) | Duplex Filter with Recessed Top Pattern and Cavity | |
| US6680661B2 (en) | Dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus incorporating the same | |
| KR101754278B1 (en) | Tem mode dielectric waveguide resonator and dielectric waveguide filter using the same | |
| US20020060616A1 (en) | Dielectric filter for filtering out unwanted higher order frequency harmonics and improving skirt response | |
| KR100401969B1 (en) | Dielectric filter, dielectric duplexer, and communication apparatus | |
| US7388458B2 (en) | DC extracting arrangement and a filter | |
| US5977848A (en) | Polar dielectric filter and dielectric duplexer incorporating same | |
| JP3613156B2 (en) | Dielectric filter, antenna duplexer, and communication device | |
| US6759927B2 (en) | Isolation shield assembly for electrical filters and a method of manufacturing electrical filters including same | |
| US6060965A (en) | Dielectric resonator and filter including capacitor electrodes on a non-conductive surface | |
| US20030112099A1 (en) | System for cross coupling resonators | |
| US6150906A (en) | HF filter using resonators having convex-concave structure | |
| US6507250B1 (en) | Dielectric filter, dielectric duplexer, and communication equipment | |
| JP5721497B2 (en) | Dielectric filter and wireless communication module and wireless communication device using the same | |
| JP2002204106A (en) | Composite dielectric filter device and communication device | |
| JP2001144504A (en) | Dielectric filter, dielectric duplexer and communication device | |
| JPH0650802B2 (en) | filter | |
| KR100279678B1 (en) | Resonator Insertion Type Bandpass Filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20211218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |