CN108028450A - 一种滤波单元及滤波器 - Google Patents

一种滤波单元及滤波器 Download PDF

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Publication number
CN108028450A
CN108028450A CN201680052473.3A CN201680052473A CN108028450A CN 108028450 A CN108028450 A CN 108028450A CN 201680052473 A CN201680052473 A CN 201680052473A CN 108028450 A CN108028450 A CN 108028450A
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China
Prior art keywords
filter
transmission line
central signal
signal line
cpw
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CN201680052473.3A
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CN108028450B (zh
Inventor
杨秉正
钱慧珍
罗讯
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN108028450A publication Critical patent/CN108028450A/zh
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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
    • 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
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/2013—Coplanar line 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
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H01P1/2039—Galvanic coupling between Input/Output
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/003—Coplanar lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/003—Coplanar lines
    • H01P3/006—Conductor backed coplanar waveguides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/08—Strip line resonators
    • H01P7/086—Coplanar waveguide resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
    • H01L23/64—Impedance arrangements
    • H01L23/66—High-frequency adaptations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
    • H01P5/022—Transitions between lines of the same kind and shape, but with different dimensions
    • H01P5/028—Transitions between lines of the same kind and shape, but with different dimensions between strip lines

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Waveguides (AREA)

Abstract

一种滤波单元(60)，该滤波单元(60)包括：采用两个慢波谐振单元(3)相互耦合，每个慢波谐振单元(3)采用CPW传输线(10)、渐变式CPW传输线及(20)接地枝节(40)组成，可以产生慢波特性，将基带信号的高次谐波推向高频，来实现宽阻带特性；另外利用慢波效应，合理设计滤波器尺寸还能减小滤波器的整体面积，降低成本，并且采用两个慢波谐振单元(3)耦合能增强滤波器通带性能，增加带宽，增大通带内的平坦度与减小插入损耗。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN201680052473.3A 2016-05-12 2016-05-12 一种滤波单元及滤波器 Active CN108028450B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/081900 WO2017193340A1 (zh) 2016-05-12 2016-05-12 一种滤波单元及滤波器

Publications (2)

Publication Number Publication Date
CN108028450A true CN108028450A (zh) 2018-05-11
CN108028450B CN108028450B (zh) 2020-01-31

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Country Status (6)

Country Link
US (1) US10673111B2 (zh)
EP (1) EP3346543B1 (zh)
JP (1) JP2018531560A (zh)
KR (1) KR20180052725A (zh)
CN (1) CN108028450B (zh)
WO (1) WO2017193340A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4037094B1 (en) * 2021-01-27 2023-09-13 Murata Manufacturing Co., Ltd. An electrical device comprising a coplanar waveguide with buried bridges and apertures
CN114389043B (zh) * 2021-12-29 2023-11-10 广东盛路通信科技股份有限公司 一种慢波结构、微带传输线、集成化馈电网络及基站天线
CN116706479A (zh) * 2023-07-10 2023-09-05 中科芯集成电路有限公司 一种高近端抑制的低通滤波器

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US20050206480A1 (en) * 2004-02-03 2005-09-22 Ntt Docomo, Inc. Coplanar waveguide filter and method of forming same
CN100359753C (zh) * 2003-09-05 2008-01-02 株式会社Ntt都科摩 共平面波导谐振器
CN103219570A (zh) * 2013-04-07 2013-07-24 华南理工大学 一种采用终端短路的h型谐振器的超宽带共面波导滤波器

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JP2569697B2 (ja) * 1988-03-02 1997-01-08 三菱電機株式会社 モノリシックマイクロ波集積回路の配線構造
US5142255A (en) * 1990-05-07 1992-08-25 The Texas A&M University System Planar active endfire radiating elements and coplanar waveguide filters with wide electronic tuning bandwidth
JP3319377B2 (ja) 1998-01-30 2002-08-26 株式会社村田製作所 コプレーナラインフィルタ及びデュプレクサ
JP2005102200A (ja) * 2003-09-05 2005-04-14 Ntt Docomo Inc コプレーナ線路型共振器
JP2005223392A (ja) * 2004-02-03 2005-08-18 Ntt Docomo Inc 結合線路およびフィルタ
CN1956256A (zh) * 2005-10-27 2007-05-02 鸿富锦精密工业（深圳）有限公司 带通滤波器
JP4506903B2 (ja) * 2008-01-17 2010-07-21 株式会社村田製作所 積層型共振器および積層型フィルタ
CN101431172B (zh) * 2008-07-29 2013-09-04 华东师范大学 一种含mems开关的可重构微波低通滤波器及其制备方法
CN101359760B (zh) * 2008-09-18 2012-04-18 中国科学院光电技术研究所 一种应用于k波段的mems电磁带隙可调带阻滤波器
CN201478427U (zh) * 2009-08-04 2010-05-19 中国科学院紫金山天文台 多层共面波导传输线
US8933763B2 (en) * 2012-12-14 2015-01-13 Raytheon Company Meandered slow wave taper matching network
CN104953205B (zh) * 2015-06-26 2018-02-06 南京邮电大学 基于新型开口谐振环结构的共面波导带阻滤波器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100359753C (zh) * 2003-09-05 2008-01-02 株式会社Ntt都科摩 共平面波导谐振器
US20050206480A1 (en) * 2004-02-03 2005-09-22 Ntt Docomo, Inc. Coplanar waveguide filter and method of forming same
CN101179145A (zh) * 2004-02-03 2008-05-14 株式会社Ntt都科摩 共面波导滤波器的形成方法
CN103219570A (zh) * 2013-04-07 2013-07-24 华南理工大学 一种采用终端短路的h型谐振器的超宽带共面波导滤波器

Also Published As

Publication number Publication date
JP2018531560A (ja) 2018-10-25
EP3346543A4 (en) 2018-12-12
EP3346543A1 (en) 2018-07-11
EP3346543B1 (en) 2020-11-25
WO2017193340A1 (zh) 2017-11-16
KR20180052725A (ko) 2018-05-18
US20180248243A1 (en) 2018-08-30
US10673111B2 (en) 2020-06-02
CN108028450B (zh) 2020-01-31

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