WO2019128214A1 - Filtre diélectrique multimode et son procédé de déparasitage - Google Patents

Filtre diélectrique multimode et son procédé de déparasitage Download PDF

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Publication number
WO2019128214A1
WO2019128214A1 PCT/CN2018/097591 CN2018097591W WO2019128214A1 WO 2019128214 A1 WO2019128214 A1 WO 2019128214A1 CN 2018097591 W CN2018097591 W CN 2018097591W WO 2019128214 A1 WO2019128214 A1 WO 2019128214A1
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WO
WIPO (PCT)
Prior art keywords
dielectric
blind hole
multimode
filling medium
multimode dielectric
Prior art date
Application number
PCT/CN2018/097591
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English (en)
Chinese (zh)
Inventor
张彪
丁海
Original Assignee
京信通信系统（中国）有限公司
京信通信技术(广州)有限公司
京信通信系统（广州）有限公司
天津京信通信系统有限公司
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Application filed by 京信通信系统（中国）有限公司, 京信通信技术(广州)有限公司, 京信通信系统（广州）有限公司, 天津京信通信系统有限公司 filed Critical 京信通信系统（中国）有限公司
Publication of WO2019128214A1 publication Critical patent/WO2019128214A1/fr

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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
    • 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
    • H01P1/2082—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with multimode resonators

Definitions

  • the multimode dielectric resonator is disposed with the blind holes in the reference direction corresponding to each of the resonant modes, and the filling medium is respectively disposed in each of the blind holes;
  • Adjusting the multimode dielectric resonator in each of the resonant modes by respectively placing filling dielectrics of different dielectric constants in the blind vias or placing a combination of filling dielectrics of different dielectric constants in the blind vias Resonant frequency
  • a filling medium having a dielectric constant different from that of the multimode dielectric resonator is disposed in the blind hole, and is adjusted by adjusting a dielectric constant of the filling medium and adjusting a height of the filling medium in the blind hole.
  • adjusting the height of the filling medium placed in the blind hole includes:
  • the application also provides a multimode dielectric filter, comprising:
  • a multimode dielectric resonator comprising at least two resonance modes, each resonance mode being formed in a reference direction orthogonal to each other, the reference of the multimode dielectric resonator corresponding to each of the resonance modes Blind holes are provided in the direction;
  • a filling medium the filling medium being disposed in the blind hole, a height of the filling medium in the blind hole, and a dielectric constant of the filling medium according to the multimode dielectric resonator in the corresponding resonant mode The desired resonant frequency setting underneath.
  • the filling medium is a medium tuning rod for filling in the blind hole; or the filling medium is a dielectric column, and one end of the dielectric column is provided with a metal connected thereto The other end of the dielectric column is inserted into the blind hole.
  • the depth of the blind hole is equal to or greater than the length of the medium tuning rod, and the medium tuning rod is interference fit with the blind hole; or the depth of the blind hole is equal to or greater than the dielectric column
  • the length of the media column is less than or equal to the diameter of the blind hole.
  • Figure 1 is a schematic view of a dielectric tuning rod not filled to a multimode dielectric resonator
  • Figure 3 is a schematic view of the dielectric tuning reel when not inserted into the multimode dielectric resonator
  • Figure 4 is a schematic illustration of a dielectric tuning disk cartridge inserted into a multimode dielectric resonator.
  • the multi-mode dielectric resonator 10 is provided with blind holes 110 in the reference direction corresponding to each of the resonant modes, and a filling medium is respectively disposed in each of the blind holes 110;
  • a filling medium having the same or different dielectric constant as the multimode dielectric resonator 10 is disposed in the blind hole 110, and the filling medium is placed in the blind hole 110 by adjusting The height of the resonant frequency of the multimode dielectric resonator 10 in each of the resonant modes is adjusted. That is, by changing the height of the filling medium filled in the blind hole 110, the boundary condition of the electromagnetic field in the blind hole 110 changes according to the height of the filling medium therein, and the distribution of the electromagnetic field is changed, thereby affecting the resonance frequency of each resonance mode.
  • the dielectric fill may be in the form of adding the desired medium from the bottom of the blind via 110, such as the fill dielectric tuning bar 20.
  • the higher the height of the filled dielectric the greater the frequency effect on the multimode resonator.
  • the dielectric column 310 changes the frequency of the multimode resonator by penetrating the length in the blind hole 110 of the multimode dielectric resonator 10, and the length of the blind hole 110 is deeper. Long, its greater impact on frequency.
  • the dielectric constant of the filling medium in this embodiment is different from the dielectric constant of the multimode resonator itself.
  • the blind hole 110 is disposed at the strongest electric field or magnetic field in the corresponding resonance mode of the multimode dielectric resonator 10.
  • the multimode dielectric filter in this embodiment has a plurality of resonant modes, and the positions of the blind holes 110 are at the strongest electric field or magnetic field of the respective resonant modes, that is, the frequency tuning of each resonant mode is performed according to the need for medium filling, In this way, a better debugging effect can be achieved, which can be increased according to the need to increase the frequency or reduce the frequency.
  • the position of the blind hole 110 can also be selected at other positions, depending on the specific debugging situation.
  • the multimode dielectric resonator 10 includes at least two resonance modes, each of which is formed in a mutually orthogonal reference direction, and the multimode dielectric resonator 10 is described in each a blind hole 110 is defined in a reference direction corresponding to the resonant mode;
  • the filling medium being disposed in the blind hole 110, a height of the filling medium in the blind hole 110 and a dielectric constant of the filling medium according to the multimode dielectric resonator 10 in a corresponding The desired resonant frequency setting in resonant mode.
  • the shape of the multimode dielectric resonator 10 may be regular or irregular, and may be a shape such as a cube or a rectangular parallelepiped, and the material thereof may be a ceramic medium or PEI or Teflon.
  • the depth, diameter, position, and the like of the blind hole 110 may be determined according to actual conditions.
  • the dielectric constant of the dielectric tuning rod 20 or the dielectric pillar 310 is different from that of the multimode dielectric resonator 10.
  • the dielectric constant of the filling medium is the same as or different from that of the multimode dielectric resonator 10. According to actual requirements, when the dielectric constant is the same, the debugging can be realized by changing the length of the filling medium. When the dielectric constant is different, Commissioning can be accomplished by changing the length of the fill media and/or selecting a different fill media.

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Abstract

La présente invention concerne un filtre diélectrique multimode et son procédé de déparasitage. Le filtre diélectrique multimode comprend au moins un résonateur diélectrique multimode. Le résonateur diélectrique multimode comprend au moins deux modes résonnants. Les modes résonnants sont formés dans des directions de référence orthogonales l'une à l'autre. Le procédé de déparasitage comprend les étapes suivantes : le résonateur diélectrique multimode est pourvu de trous de liaison dans les directions de référence correspondant à tous les modes résonnants, et des diélectriques de remplissage sont disposés dans les trous borgnes respectivement ; les fréquences de résonance du résonateur diélectrique multimode dans les modes résonnants sont ajustées en ajustant les hauteurs des diélectriques de remplissage dans les trous borgnes et/ou en ajustant les constantes diélectriques des diélectriques de remplissage. L'ajustement est mis en œuvre par remplissage diélectrique, et l'accordabilité en fréquence des résonateurs diélectriques multimode est obtenue en changeant les fréquences de résonance de modes résonnants respectifs des résonateurs diélectriques multimode, de telle sorte que la difficulté de déparasitage est réduite, et la plage d'ajustement efficace est grande.
PCT/CN2018/097591 2017-12-26 2018-07-27 Filtre diélectrique multimode et son procédé de déparasitage WO2019128214A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711438231.0A CN107994304B (zh) 2017-12-26 2017-12-26 多模介质滤波器及其调试方法
CN201711438231.0 2017-12-26

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WO2019128214A1 true WO2019128214A1 (fr) 2019-07-04

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WO (1) WO2019128214A1 (fr)

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WO2023019379A1 (fr) * 2021-08-16 2023-02-23 华为技术有限公司 Résonateur, filtre, appareil de communication, et procédé de fabrication de résonateur
CN116154443A (zh) * 2021-11-23 2023-05-23 华为技术有限公司 介质谐振单元、介质滤波器及选频特性调试方法

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CN107994304B (zh) * 2017-12-26 2021-12-17 京信通信技术(广州)有限公司 多模介质滤波器及其调试方法
EP3883050B1 (fr) * 2018-12-26 2023-08-30 Huawei Technologies Co., Ltd. Filtre diélectrique, duplexeur et dispositif de communication
CN111384568A (zh) * 2018-12-29 2020-07-07 深圳市大富科技股份有限公司 一种介质谐振器、介质滤波器及通信设备
CN111384481A (zh) * 2018-12-29 2020-07-07 深圳市大富科技股份有限公司 介质谐振器及其制造方法、介质滤波器、通信设备
CN111384570A (zh) * 2018-12-31 2020-07-07 深圳市大富科技股份有限公司 一种介质滤波器、通信设备、介质谐振器及制备方法
CN110504517B (zh) * 2019-08-19 2021-03-12 京信通信技术(广州)有限公司 介质波导谐振器及其端口耦合量调节方法与滤波器
CN111639812B (zh) * 2020-06-01 2023-06-20 南京星火技术有限公司 电子产品的性能调试方法、装置及相关产品
CN113782939B (zh) * 2020-06-09 2022-10-28 华为技术有限公司 一种介质谐振器和滤波器
CN112787054B (zh) * 2021-01-07 2022-08-12 苏州市协诚微波技术有限公司 一种低损耗陶瓷介质滤波器

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WO2023019379A1 (fr) * 2021-08-16 2023-02-23 华为技术有限公司 Résonateur, filtre, appareil de communication, et procédé de fabrication de résonateur
CN116154443A (zh) * 2021-11-23 2023-05-23 华为技术有限公司 介质谐振单元、介质滤波器及选频特性调试方法

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