DE69723748D1 - Dielektrischer Filter und Verfahren zur Einstellung der Resonanzfrequenz - Google Patents

Dielektrischer Filter und Verfahren zur Einstellung der Resonanzfrequenz

Info

Publication number
DE69723748D1
DE69723748D1 DE69723748T DE69723748T DE69723748D1 DE 69723748 D1 DE69723748 D1 DE 69723748D1 DE 69723748 T DE69723748 T DE 69723748T DE 69723748 T DE69723748 T DE 69723748T DE 69723748 D1 DE69723748 D1 DE 69723748D1
Authority
DE
Germany
Prior art keywords
setting
resonance frequency
dielectric filter
dielectric
filter
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.)
Expired - Lifetime
Application number
DE69723748T
Other languages
English (en)
Inventor
Kenji Ito
Seigo Hino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug Co Ltd
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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Application granted granted Critical
Publication of DE69723748D1 publication Critical patent/DE69723748D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • 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
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
DE69723748T 1996-02-09 1997-02-10 Dielektrischer Filter und Verfahren zur Einstellung der Resonanzfrequenz Expired - Lifetime DE69723748D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8048056A JPH09219605A (ja) 1996-02-09 1996-02-09 誘電体フィルタ及びその共振周波数調整方法

Publications (1)

Publication Number Publication Date
DE69723748D1 true DE69723748D1 (de) 2003-09-04

Family

ID=12792692

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69723748T Expired - Lifetime DE69723748D1 (de) 1996-02-09 1997-02-10 Dielektrischer Filter und Verfahren zur Einstellung der Resonanzfrequenz

Country Status (4)

Country Link
US (1) US6023207A (de)
EP (3) EP1223635A1 (de)
JP (1) JPH09219605A (de)
DE (1) DE69723748D1 (de)

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FI113579B (fi) * 1998-05-08 2004-05-14 Filtronic Lk Oy Suodatinrakenne ja oskillaatori useiden gigahertsien taajuuksille
JP3351351B2 (ja) * 1998-09-08 2002-11-25 株式会社村田製作所 誘電体フィルタ、複合誘電体フィルタ、アンテナ共用器および通信装置
JP3534008B2 (ja) * 1998-10-29 2004-06-07 株式会社村田製作所 誘電体フィルタ、誘電体デュプレクサ及び通信機装置
EP1087457B1 (de) 1999-09-24 2006-12-13 Ngk Spark Plug Co., Ltd. Dielektrisches Filter und dessen Herstellungsverfahren
DE10042229A1 (de) * 2000-08-28 2002-03-28 Epcos Ag Elektrisches Bauelement, Verfahren zu dessen Herstellung und dessen Verwendung
JP2003087010A (ja) * 2001-09-06 2003-03-20 Ngk Spark Plug Co Ltd 誘電体デュプレクサ
US7751580B2 (en) * 2002-09-10 2010-07-06 Auditory Licensing Company, Llc Open ear hearing aid system
US7830229B2 (en) * 2007-04-27 2010-11-09 Cts Corporation Coaxial resonator including a metallized area with interdigitated fingers
US8261714B2 (en) * 2007-12-10 2012-09-11 Cts Corporation RF monoblock filter with outwardly extending wall to define a cavity surrounding a top surface of the filter
US20100029241A1 (en) * 2008-08-01 2010-02-04 Justin Russell Morga Rf filter/resonator with protruding tabs
US8269579B2 (en) * 2008-09-18 2012-09-18 Cts Corporation RF monoblock filter having an outwardly extending wall for mounting a lid filter thereon
US9030275B2 (en) 2008-12-09 2015-05-12 Cts Corporation RF monoblock filter with recessed top pattern and cavity providing improved attenuation
US9030276B2 (en) 2008-12-09 2015-05-12 Cts Corporation RF monoblock filter with a dielectric core and with a second filter disposed in a side surface of the dielectric core
WO2010080929A1 (en) * 2009-01-08 2010-07-15 Cts Corporation Duplex filter with recessed top pattern and cavity
US9030272B2 (en) 2010-01-07 2015-05-12 Cts Corporation Duplex filter with recessed top pattern and cavity
US8823470B2 (en) 2010-05-17 2014-09-02 Cts Corporation Dielectric waveguide filter with structure and method for adjusting bandwidth
US9030278B2 (en) 2011-05-09 2015-05-12 Cts Corporation Tuned dielectric waveguide filter and method of tuning the same
US9130256B2 (en) 2011-05-09 2015-09-08 Cts Corporation Dielectric waveguide filter with direct coupling and alternative cross-coupling
US9130255B2 (en) 2011-05-09 2015-09-08 Cts Corporation Dielectric waveguide filter with direct coupling and alternative cross-coupling
US9030279B2 (en) 2011-05-09 2015-05-12 Cts Corporation Dielectric waveguide filter with direct coupling and alternative cross-coupling
US9666921B2 (en) 2011-12-03 2017-05-30 Cts Corporation Dielectric waveguide filter with cross-coupling RF signal transmission structure
US10050321B2 (en) 2011-12-03 2018-08-14 Cts Corporation Dielectric waveguide filter with direct coupling and alternative cross-coupling
US9130258B2 (en) 2013-09-23 2015-09-08 Cts Corporation Dielectric waveguide filter with direct coupling and alternative cross-coupling
US9583805B2 (en) 2011-12-03 2017-02-28 Cts Corporation RF filter assembly with mounting pins
US10116028B2 (en) 2011-12-03 2018-10-30 Cts Corporation RF dielectric waveguide duplexer filter module
WO2015157510A1 (en) 2014-04-10 2015-10-15 Cts Corporation Rf duplexer filter module with waveguide filter assembly
US10483608B2 (en) 2015-04-09 2019-11-19 Cts Corporation RF dielectric waveguide duplexer filter module
US11081769B2 (en) 2015-04-09 2021-08-03 Cts Corporation RF dielectric waveguide duplexer filter module
CN110459840B (zh) * 2019-06-06 2022-02-11 深圳市大富科技股份有限公司 通信设备、介质滤波器、介质块
CN110112520B (zh) * 2019-06-19 2021-06-29 广东国华新材料科技股份有限公司 一种介质波导滤波器及其端口耦合结构
US11437691B2 (en) 2019-06-26 2022-09-06 Cts Corporation Dielectric waveguide filter with trap resonator
CN112397856B (zh) * 2019-08-14 2021-10-29 昆明盘甲科技有限公司 一种具有容性耦合特性的介质滤波器耦合结构
CN110611143B (zh) * 2019-09-30 2021-07-23 京信通信技术(广州)有限公司 介质滤波器的容性耦合结构、设计方法及介质滤波器
KR102127506B1 (ko) * 2019-11-19 2020-06-26 모아컴코리아주식회사 스퓨리어스 특성이 개선된 세라믹 도파관 필터

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JPS5895403A (ja) * 1981-12-01 1983-06-07 Matsushita Electric Ind Co Ltd 同軸型誘電体共振器
JPS5914402A (ja) * 1982-07-15 1984-01-25 Matsushita Electric Ind Co Ltd 単結晶ダイヤモンドバイト
US4523162A (en) * 1983-08-15 1985-06-11 At&T Bell Laboratories Microwave circuit device and method for fabrication
JPS6098902A (ja) * 1983-10-31 1985-06-01 ヤンマーディーゼル株式会社 二軸形ロ−タリ−耕耘装置
JPS6152003A (ja) * 1984-08-21 1986-03-14 Murata Mfg Co Ltd 誘電体フイルタ
JPH0246082Y2 (de) * 1985-04-04 1990-12-05
JPS61280101A (ja) * 1985-06-05 1986-12-10 Murata Mfg Co Ltd 分布定数形フイルタ
JPS6238601A (ja) * 1985-08-13 1987-02-19 Murata Mfg Co Ltd インタ−デジタル型フイルタおよびその製造方法
JPH0738526B2 (ja) * 1985-11-06 1995-04-26 松下電器産業株式会社 同軸共振器フイルタ
JPH0292001A (ja) * 1988-09-28 1990-03-30 Murata Mfg Co Ltd 誘電体同軸フィルタ
JPH03121705U (de) * 1990-03-27 1991-12-12
JPH04160901A (ja) * 1990-10-25 1992-06-04 Fuji Elelctrochem Co Ltd 誘電体フィルタ
JP2867698B2 (ja) * 1990-11-29 1999-03-08 松下電器産業株式会社 バンドエリミネーションフィルタ
JPH0537203A (ja) * 1991-02-13 1993-02-12 Alps Electric Co Ltd 誘電体フイルタ
JP3344428B2 (ja) * 1992-07-24 2002-11-11 株式会社村田製作所 誘電体共振器および誘電体共振部品
US5406236A (en) * 1992-12-16 1995-04-11 Motorola, Inc. Ceramic block filter having nonsymmetrical input and output impedances and combined radio communication apparatus
US5499004A (en) * 1993-03-12 1996-03-12 Matsushita Electric Industrial Co., Ltd. Dielectric filter having interstage coupling using adjacent electrodes
JP3448341B2 (ja) * 1994-04-11 2003-09-22 日本特殊陶業株式会社 誘電体フィルタ装置
US5436602A (en) * 1994-04-28 1995-07-25 Mcveety; Thomas Ceramic filter with a transmission zero
US5512866A (en) * 1994-04-29 1996-04-30 Motorola, Inc. Ceramic duplex filter
US5528204A (en) * 1994-04-29 1996-06-18 Motorola, Inc. Method of tuning a ceramic duplex filter using an averaging step
US5652555A (en) * 1994-06-03 1997-07-29 Murata Manufacturing Co., Ltd. Dielectrical filters having resonators at a trap frequency where the even/odd mode impedances are both zero

Also Published As

Publication number Publication date
EP1223635A1 (de) 2002-07-17
US6023207A (en) 2000-02-08
EP0789414B1 (de) 2003-07-30
EP0789414A3 (de) 1997-11-19
EP1337003A1 (de) 2003-08-20
JPH09219605A (ja) 1997-08-19
EP0789414A2 (de) 1997-08-13

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