CN109983616A - 一种滤波器及通信设备 - Google Patents

一种滤波器及通信设备 Download PDF

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Publication number
CN109983616A
CN109983616A CN201680091119.1A CN201680091119A CN109983616A CN 109983616 A CN109983616 A CN 109983616A CN 201680091119 A CN201680091119 A CN 201680091119A CN 109983616 A CN109983616 A CN 109983616A
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China
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metal
chamber
wave guide
filter
medium wave
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CN201680091119.1A
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CN109983616B (zh
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张晓峰
袁本贵
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/207Hollow waveguide filters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/207Hollow waveguide filters
    • H01P1/208Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • H01P1/2084Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with dielectric resonators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/212Frequency-selective devices, e.g. filters suppressing or attenuating harmonic frequencies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00Waveguides; Transmission lines of the waveguide type
    • H01P3/16Dielectric waveguides, i.e. without a longitudinal conductor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00Coupling devices of the waveguide type
    • H01P5/08Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H01P5/087Transitions to a dielectric waveguide

Landscapes

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

Abstract

一种滤波器及通信设备,该滤波器包括:金属腔室、金属谐振腔和覆盖金属腔室及金属谐振腔的金属盖板;金属腔室内设置有介质波导,介质波导与金属腔室电连接;金属谐振腔内设置有谐振杆;金属腔室和与金属腔室相邻的金属谐振腔之间设置有耦合结构,耦合结构包括金属腔室和金属谐振腔之间的连通区域,以及伸入到连通区域内的介质本体,介质本体与介质波导相连接,耦合结构与金属谐振腔内的谐振杆耦合连接。在上述实施例中,根据金属谐振腔远端谐波的频率距离通带频率更远的特性。因此,在滤波器内引入金属谐振腔后,可以对整个滤波器的远端谐波进行有效的抑制。

Description

PCT国内申请,说明书已公开。

Claims (12)

  1. PCT国内申请,权利要求书已公开。
CN201680091119.1A 2016-11-29 2016-11-29 一种滤波器及通信设备 Active CN109983616B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/107759 WO2018098642A1 (zh) 2016-11-29 2016-11-29 一种滤波器及通信设备

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CN109983616A true CN109983616A (zh) 2019-07-05
CN109983616B CN109983616B (zh) 2020-07-07

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US (1) US10818989B2 (zh)
EP (1) EP3540849B1 (zh)
CN (1) CN109983616B (zh)
BR (1) BR112019011001B1 (zh)
WO (1) WO2018098642A1 (zh)

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CN112886162A (zh) * 2021-01-12 2021-06-01 盐城东山通信技术有限公司 一种非对称零点的小型微波介质双模滤波器

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CN110808441B (zh) * 2019-11-26 2021-07-09 深圳国人科技股份有限公司 一种双模滤波器
CN111224200A (zh) * 2020-03-06 2020-06-02 广东国华新材料科技股份有限公司 一种容性耦合结构和介质滤波器
CN112599944A (zh) * 2020-11-30 2021-04-02 湖南迈克森伟电子科技有限公司 一种小型化高抑制可调腔体滤波器
CN112670682A (zh) * 2020-12-24 2021-04-16 人民华智通讯技术有限公司 一种基于新型公共腔结构的介质双工器
US20240178538A1 (en) * 2021-03-31 2024-05-30 Telefonaktiebolaget Lm Ericsson (Publ) Hybrid type filter solution
EP4402746A1 (en) * 2021-09-14 2024-07-24 Telefonaktiebolaget LM Ericsson (publ) Integrated low-pass and band-pass filter unit formed by sheet metal coated with dielectric material
CN215869728U (zh) * 2021-10-21 2022-02-18 昆山立讯射频科技有限公司 腔体滤波器
CN115411477B (zh) * 2022-09-21 2023-10-31 苏州立讯技术有限公司 一种滤波器
WO2024084266A1 (en) * 2022-10-17 2024-04-25 Telefonaktiebolaget Lm Ericsson (Publ) Air cavity and ceramic waveguide (cwg) resonator mixed filter solution

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US4216448A (en) * 1977-01-21 1980-08-05 Nippon Electric Co., Ltd. Microwave distributed-constant band-pass filter comprising projections adjacent on capacitively coupled resonator rods to open ends thereof
US5969584A (en) * 1997-07-02 1999-10-19 Adc Solitra Inc. Resonating structure providing notch and bandpass filtering
US20050217786A1 (en) * 1998-10-30 2005-10-06 Lamina Ceramics, Inc. High performance embedded RF filters
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CN104466339A (zh) * 2013-09-13 2015-03-25 东光株式会社 电介质波导管谐振器以及使用其的电介质波导管滤波器
CN205141103U (zh) * 2015-11-02 2016-04-06 深圳三星通信技术研究有限公司 一种新型混合介质滤波器
CN105896002A (zh) * 2016-05-04 2016-08-24 南通大学 一种谐波抑制差分带通滤波器

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FR2585513B1 (fr) * 1985-07-23 1987-10-09 Thomson Csf Dispositif de couplage entre un guide d'onde metallique, un guide d'onde dielectrique et un composant semi-conducteur, et melangeur utilisant ce dispositif de couplage
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Publication number Priority date Publication date Assignee Title
US4216448A (en) * 1977-01-21 1980-08-05 Nippon Electric Co., Ltd. Microwave distributed-constant band-pass filter comprising projections adjacent on capacitively coupled resonator rods to open ends thereof
US5969584A (en) * 1997-07-02 1999-10-19 Adc Solitra Inc. Resonating structure providing notch and bandpass filtering
US20050217786A1 (en) * 1998-10-30 2005-10-06 Lamina Ceramics, Inc. High performance embedded RF filters
CN102694220A (zh) * 2012-05-16 2012-09-26 华为技术有限公司 滤波装置
CN104466339A (zh) * 2013-09-13 2015-03-25 东光株式会社 电介质波导管谐振器以及使用其的电介质波导管滤波器
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112886162A (zh) * 2021-01-12 2021-06-01 盐城东山通信技术有限公司 一种非对称零点的小型微波介质双模滤波器

Also Published As

Publication number Publication date
EP3540849A1 (en) 2019-09-18
BR112019011001B1 (pt) 2024-01-30
CN109983616B (zh) 2020-07-07
EP3540849B1 (en) 2022-01-05
WO2018098642A1 (zh) 2018-06-07
EP3540849A4 (en) 2019-11-20
US10818989B2 (en) 2020-10-27
BR112019011001A2 (pt) 2019-10-15
US20190280358A1 (en) 2019-09-12

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