WO2016072643A2 - Filtre - Google Patents

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Publication number
WO2016072643A2
WO2016072643A2 PCT/KR2015/011080 KR2015011080W WO2016072643A2 WO 2016072643 A2 WO2016072643 A2 WO 2016072643A2 KR 2015011080 W KR2015011080 W KR 2015011080W WO 2016072643 A2 WO2016072643 A2 WO 2016072643A2
Authority
WO
WIPO (PCT)
Prior art keywords
resonators
filter
substrate
transverse layer
housing
Prior art date
Application number
PCT/KR2015/011080
Other languages
English (en)
Korean (ko)
Other versions
WO2016072643A3 (fr
Inventor
조학래
서수덕
하종우
고문봉
Original Assignee
주식회사 이너트론
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 주식회사 이너트론 filed Critical 주식회사 이너트론
Publication of WO2016072643A2 publication Critical patent/WO2016072643A2/fr
Publication of WO2016072643A3 publication Critical patent/WO2016072643A3/fr

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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

Definitions

  • An embodiment according to the concept of the present invention relates to a filter, and more particularly, to a filter including a transverse layer having an area overlapping with resonators.
  • a filter is a device that passes only signals of a specific frequency band, and includes a low pass filter (LPF), a band pass filter (BPF), and a high pass filter according to the frequency band to be filtered.
  • LPF low pass filter
  • BPF band pass filter
  • HPF High Pass Filter
  • BSF Band Stop Filter
  • the filter may be an LC filter, a transmission line filter, a cavity filter, a dielectric resonator (DR) filter, a ceramic filter, or a coaxial filter depending on the fabrication method and the device used in the filter. and a coacial filter, a waveguide filter, a surface acoustic wave (SAW) filter, and the like.
  • the resonator In order to simultaneously realize narrowband characteristics and excellent cutoff characteristics in the filter, a resonator having a high Q-factor (Q-factor) is required.
  • the resonator is mainly implemented in the form of a printed circuit board (PCB), a dielectric resonator, or a monoblock.
  • the technical problem to be achieved by the present invention is to provide a filter having an improved frequency characteristic by including a transverse layer having an area overlapping with the resonators.
  • the filter according to the embodiment of the present invention includes a plurality of resonators and a transverse layer having a region overlapping with at least three resonators of the plurality of resonators, each of the plurality of resonators is made of a dielectric material, It may include a body having a through-hole in one direction and at least one cross-section of both sides in the longitudinal direction of the body, and a conductive film coupled to the wall surface of the through-hole.
  • the substrate may further include a substrate coupled to at least one of the cross-sections of both sides of each of the plurality of resonators to perform a grounding function, and a housing coupled to the substrate to receive the plurality of resonators. Can be.
  • the substrate may be coupled to at least one end surface of both sides of each of the plurality of resonators through the conductive layer.
  • the transverse layer may further include a fixture spaced apart from the substrate and connecting one of the wall surfaces of the housing and the transverse layer.
  • the fixture may be composed of an insulator.
  • the crossing layer may further include at least one fixture spaced apart from the substrate and connecting the substrate and the crossing layer.
  • the at least one fixture may be composed of a conductor.
  • the conductive film may be plated on both side surfaces and the wall surface of the through hole.
  • the body may be made of ceramic.
  • the device according to the embodiment of the present invention has an effect of having excellent narrowband characteristics and blocking characteristics by including a transverse layer having an area overlapping with the resonators.
  • FIG. 1 is a plan view of a filter according to an embodiment of the present invention.
  • FIG. 2 is a front view of an embodiment of the filter illustrated in FIG. 1.
  • FIG. 3 is a stereoscopic view according to an embodiment of the filter shown in FIG. 1.
  • FIG. 4 is a diagram illustrating a frequency response characteristic of the filter illustrated in FIG. 1.
  • FIG. 5 is a plan view of a filter according to another embodiment of the present invention.
  • FIG. 6 is a front view according to an exemplary embodiment of the filter illustrated in FIG. 5.
  • FIG. 7 is a stereogram according to an exemplary embodiment of the filter illustrated in FIG. 5.
  • FIG. 8 is a diagram illustrating a frequency response characteristic of the filter illustrated in FIG. 5.
  • first or second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another, for example without departing from the scope of the rights according to the inventive concept, and the first component may be called a second component and similarly the second component. The component may also be referred to as the first component.
  • FIG. 1 is a plan view of a filter according to an embodiment of the present invention.
  • FIG. 2 is a front view of an embodiment of the filter illustrated in FIG. 1.
  • a filter 100A may include a plurality of resonators 110-1 to 110-5, a substrate 120, a housing 130, Connectors 140-1 and 140-2, coupling disks 142-1 and 142-2, and a notch resonator 150A.
  • the plurality of resonators 110-1 to 110-5 may be coupled to the substrate 120 and accommodated in the housing 130.
  • Each of the plurality of resonators 110-1 to 110-5 may be implemented in the same manner, and the structures of each of the plurality of resonators 110-1 to 110-5 are described in detail with reference to FIG. 3. .
  • the substrate 120 may be electrically connected to each of the plurality of resonators 110-1 to 110-5 to perform a grounding function.
  • the plurality of resonators 110-1 to 110-5 may be coupled to the substrate 120 through plating.
  • the substrate 120 may be implemented as a printed circuit board (PCB) including a conductive pattern for performing a grounding function.
  • PCB printed circuit board
  • the housing 130 may include a cavity divided into a plurality of partition walls 132, and each of the plurality of resonators 110-1 to 110-5 may be accommodated in the cavity.
  • the arrangement of the partitions 132 may be variously modified, and the signal transmission path in the housing 130 may be changed according to the arrangement of the partitions 132.
  • the housing 130 is illustrated in a rectangular parallelepiped shape, but is not limited thereto, and the technical scope of the present invention should not be construed as limited by the shape of the housing 130.
  • the outer surface or the inner surface of the housing 130 may be plated with a conductive material (eg, silver (Ag) or copper (Cu), etc.).
  • a conductive material eg, silver (Ag) or copper (Cu), etc.
  • the housing 130 may be coupled to the substrate 120 disposed below the housing 130 to accommodate the plurality of resonators 110-1 to 110-5.
  • Connectors 140-1 and 140-2 may be implemented at both sides of the housing 130.
  • the input connector 140-1 may receive a wireless signal transmitted from the outside of the filter 100A, and the output connector 140-2 may output a wireless signal to the outside of the filter 100A.
  • the input coupling disk 142-1 may transmit the wireless signal input through the input connector 140-1 to the first resonator 110-1. According to an embodiment, the input coupling disk 142-1 may induce electromagnetic waves to pass only signals of a desired band to the first resonator 110-1.
  • the output coupling disk 142-2 may transmit the wireless signal received from the fifth resonator 110-5 to the output connector 140-2. According to an embodiment, the output coupling disk 142-2 may induce electromagnetic waves to pass only signals of a desired band to the output connector 140-2.
  • Notch resonator 150A includes a transverse layer 152A and a transverse layer having an area overlapping with at least three resonators (eg, 110-1 through 110-3) of the plurality of resonators 110-1 through 110-5. It may include a fixture 154A connecting the 152A to one wall surface of the housing 130. In this case, the cross layer 152A may be spaced apart from each of the substrate 120 and the housing 130.
  • the fixture 154A may be composed of an insulator.
  • the cross layer 152A of the notch resonator 150A may include at least three resonators (eg, 110-3 to 110-5) at an output end of the plurality of resonators 110-1 to 110-5. ), And the position of the transverse layer 152A may vary.
  • the transverse layer 152A of the notch resonator 150A may include at least four resonators (eg, 110-1 to 110-4) among the plurality of resonators 110-1 to 110-5. It may have overlapping areas.
  • the filter 100A may further include a cover 131 on an upper portion of the housing 130.
  • the cover 131 may be coupled to an upper portion of the housing 130 to cover the open surface of the housing 130.
  • the cover 131 may be made of a conductive material.
  • the filter 100A may further include a tuning screw 134 coupled to the cover 131.
  • the tuning screw 134 may adjust the resonance frequency as it moves up and down.
  • the tuning screw 134 is implemented in the form of a spiral screw, it can be moved up and down in the form of a screw.
  • FIG. 3 is a stereoscopic view according to an embodiment of the filter shown in FIG. 1.
  • FIG. 3 illustrates a part of the filter 100A shown in FIGS. 1 and 2 for convenience of description.
  • Each resonator (eg, 110-1 to 110-5) may include a body 111 made of a dielectric material (eg, ceramic, etc.).
  • the body 111 may be implemented in various forms such as a cylinder, an elliptic cylinder in addition to the square pillar.
  • the through hole 116 may be formed in one direction of the body 111.
  • the through hole 116 may be formed in the longitudinal direction of the body 111, that is, the direction of the longest side in the body 111.
  • a conductive film may be plated on at least one end surface of both end surfaces 112 and 114 in the longitudinal direction of the body 111.
  • a conductive film (eg, a conductive film by silver plating or copper plating) may be plated on the inner surface of the through hole 116.
  • the lower end surface 114 of the body 111 may be bonded, ie, grounded, with the substrate 120 through plating.
  • the other surfaces except for both end surfaces 112 and 114 along the longitudinal direction of the body 111 may not be plated.
  • each resonator (110-1 to 110-3) may operate in the TEM mode (Transverse Electro Magnetic Mode).
  • FIG. 4 is a diagram illustrating a frequency response characteristic of the filter illustrated in FIG. 1.
  • the band pass characteristic of the filter not including the notch resonator 150A may appear as a solid line.
  • the filter 100A of FIG. 1 may further include the notch resonator 150A to impart the effect of the notch filter to the first frequency band f1.
  • the filter 100A may have a high frequency band other than the first frequency band f1.
  • the second frequency band f2 of FIG. 8 may also be provided with the effect of the notch filter.
  • FIG. 5 is a plan view of a filter according to another embodiment of the present invention.
  • 6 is a front view according to an exemplary embodiment of the filter illustrated in FIG. 5.
  • FIG. 7 is a stereogram according to an exemplary embodiment of the filter illustrated in FIG. 5.
  • the filter 100B is different from the filter 100A except that the notch resonator 150B of the filter 100B has a structure different from that of the notch resonator 150A of the filter 100A. Have substantially the same structure.
  • Notch resonator 150B includes a transverse layer 152B and a transverse layer having an area overlapping with at least three resonators (eg, 110-1 through 110-3) of the plurality of resonators 110-1 through 110-5. It may include at least one fixture 154B connecting the 152B to the substrate 120. In this case, the cross layer 152B may be spaced apart from each of the substrate 120 and the housing 130.
  • the at least one fixture 154B may be made of a conductor to ground the transverse layer 152B.
  • FIG. 6 illustrates a case in which two fixtures 154B are included, the number and arrangement of the fixtures 154B may be variously changed.
  • the transverse layer 152B of the notch resonator 150B may include at least three resonators (eg, 110-3 to 110-5) at an output end of the plurality of resonators 110-1 to 110-5. ), And the position of the transverse layer 152B may vary.
  • the cross layer 152B of the notch resonator 150B may include at least four resonators (eg, 110-1 to 110-4) among the plurality of resonators 110-1 to 110-5. It may have overlapping areas.
  • FIG. 8 is a diagram illustrating a frequency response characteristic of the filter illustrated in FIG. 5.
  • the band pass characteristic of the filter without the notch resonator 150B when the band pass characteristic of the filter without the notch resonator 150B is represented by a dotted line, the band pass characteristic of the filter 100B of FIG. 150B) may appear as a solid line.
  • the filter 100B of FIG. 5 may further include the notch resonator 150B to impart the effect of the notch filter to the second frequency band f2.
  • the filter 100B may have a low frequency band other than the second frequency band f2.
  • the first frequency band f1 of FIG. 4 may also be provided with the effect of the notch filter.
  • 150A, 150B notch resonator

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  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

Cette invention concerne un filtre, comprenant une pluralité de résonateurs et une couche transversale présentant une zone qui est chevauchée par au moins trois résonateurs parmi la pluralité de résonateurs, lesdits résonateurs étant individuellement faits d'une substance diélectrique et comprenant un corps formé avec un orifice traversant dans une direction, et un film conducteur qui est relié à la surface d'au moins un côté, parmi les surfaces des deux côtés dans la direction longitudinale du corps, et à la surface de la paroi de l'orifice traversant.
PCT/KR2015/011080 2014-11-07 2015-10-20 Filtre WO2016072643A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0154394 2014-11-07
KR1020140154394A KR101632667B1 (ko) 2014-11-07 2014-11-07 필터

Publications (2)

Publication Number Publication Date
WO2016072643A2 true WO2016072643A2 (fr) 2016-05-12
WO2016072643A3 WO2016072643A3 (fr) 2016-06-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/011080 WO2016072643A2 (fr) 2014-11-07 2015-10-20 Filtre

Country Status (2)

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KR (1) KR101632667B1 (fr)
WO (1) WO2016072643A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111384543A (zh) * 2018-12-29 2020-07-07 深圳市大富科技股份有限公司 滤波器及通信设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102074493B1 (ko) * 2019-08-20 2020-02-06 주식회사 엘트로닉스 고주파 필터 및 이를 포함하는 통신 기기

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JPS595701A (ja) * 1982-06-30 1984-01-12 Nippon Dengiyou Kosaku Kk コムライン形帯域通過ろ波器
JP3443084B2 (ja) * 1999-12-01 2003-09-02 テルウェーブ・インコーポレーテッド 対称形セラミック共振器及びこれを利用した帯域通過濾波器
KR100369211B1 (ko) * 2000-06-19 2003-01-24 한국과학기술연구원 일체형 유전체 듀플렉서
CA2313925A1 (fr) 2000-07-17 2002-01-17 Mitec Telecom Inc. Filtre passe-bande accordable
US7898367B2 (en) * 2007-06-15 2011-03-01 Cts Corporation Ceramic monoblock filter with metallization pattern providing increased power load handling
KR101007935B1 (ko) * 2009-03-16 2011-01-14 서강대학교산학협력단 멀티 밴드 처리가 가능한 일체형 유전체 멀티플렉서
EP2903082B1 (fr) * 2014-01-31 2020-11-11 Andrew Wireless Systems GmbH Procédé pour compenser un décalage de température d'un filtre hyperfréquence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111384543A (zh) * 2018-12-29 2020-07-07 深圳市大富科技股份有限公司 滤波器及通信设备

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Publication number Publication date
KR20160054851A (ko) 2016-05-17
WO2016072643A3 (fr) 2016-06-30
KR101632667B1 (ko) 2016-07-01

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