GB2479108A - Duplex filter with recessed top pattern and cavity - Google Patents

Duplex filter with recessed top pattern and cavity Download PDF

Info

Publication number
GB2479108A
GB2479108A GB1113470A GB201113470A GB2479108A GB 2479108 A GB2479108 A GB 2479108A GB 1113470 A GB1113470 A GB 1113470A GB 201113470 A GB201113470 A GB 201113470A GB 2479108 A GB2479108 A GB 2479108A
Authority
GB
United Kingdom
Prior art keywords
top surface
define
cavity
core
duplex 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.)
Withdrawn
Application number
GB1113470A
Other languages
English (en)
Other versions
GB201113470D0 (en
Inventor
Jeffrey Nummerdor
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.)
CTS Corp
Original Assignee
CTS Corp
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 CTS Corp filed Critical CTS Corp
Publication of GB201113470D0 publication Critical patent/GB201113470D0/en
Publication of GB2479108A publication Critical patent/GB2479108A/en
Withdrawn legal-status Critical Current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
    • H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block
    • 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
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • 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
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2136—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB1113470A 2009-01-08 2010-01-07 Duplex filter with recessed top pattern and cavity Withdrawn GB2479108A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20459409P 2009-01-08 2009-01-08
PCT/US2010/020393 WO2010080929A1 (en) 2009-01-08 2010-01-07 Duplex filter with recessed top pattern and cavity

Publications (2)

Publication Number Publication Date
GB201113470D0 GB201113470D0 (en) 2011-09-21
GB2479108A true GB2479108A (en) 2011-09-28

Family

ID=42200924

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1113470A Withdrawn GB2479108A (en) 2009-01-08 2010-01-07 Duplex filter with recessed top pattern and cavity

Country Status (8)

Country Link
US (1) US8294532B2 (https=)
JP (1) JP2012514954A (https=)
KR (1) KR20110102925A (https=)
CN (2) CN202839908U (https=)
CA (1) CA2749145A1 (https=)
DE (1) DE112010000694T5 (https=)
GB (1) GB2479108A (https=)
WO (1) WO2010080929A1 (https=)

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US9030275B2 (en) * 2008-12-09 2015-05-12 Cts Corporation RF monoblock filter with recessed top pattern and cavity providing improved attenuation
US9030272B2 (en) * 2010-01-07 2015-05-12 Cts Corporation Duplex filter with recessed top pattern and cavity
JP5703917B2 (ja) * 2011-04-08 2015-04-22 宇部興産株式会社 誘電体共振部品
CN104821422A (zh) * 2015-05-12 2015-08-05 庄昆杰 一种低损耗高隔离小型化双宽带合路分路滤波器
RU2636404C2 (ru) * 2016-02-24 2017-11-23 Акционерное Общество "Специальное Конструкторско-Технологическое Бюро По Релейной Технике" (Ао "Сктб Рт") Двухполосный керамический фильтр
US10333191B2 (en) 2016-09-23 2019-06-25 Cts Corporation Ceramic block RF filter having a first plurality of through-hole resonators and a second plurality of through-holes for blocking RF signal coupling
US10363622B2 (en) 2016-09-30 2019-07-30 General Electric Company Electrode for an electro-erosion process and an associated method thereof
US10587024B2 (en) 2016-10-21 2020-03-10 LGS Innovations LLC Hermetic sealing of ceramic filters
US10587025B2 (en) 2016-11-08 2020-03-10 LGS Innovations LLC Ceramic filter with window coupling
GB2558376A (en) * 2016-11-09 2018-07-11 Isotek Microwave Ltd A ceramic dual mode microwave resonant filter and a multiplexer including such a filter
CN108172956B (zh) * 2017-11-16 2019-09-20 上海华为技术有限公司 一种微波合路器
KR102495987B1 (ko) * 2021-04-28 2023-02-06 서울시립대학교 산학협력단 단일 소체 세라믹 웨이브가이드 듀플렉서
CN115621691B (zh) * 2022-11-10 2026-02-24 江苏灿勤科技股份有限公司 一种可改善远端抑制的介质滤波器

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JPS614303A (ja) * 1984-06-19 1986-01-10 Nec Corp 誘電体帯域通過フイルタ
JPS61258502A (ja) * 1985-05-10 1986-11-15 Murata Mfg Co Ltd マイクロ波フイルタ
WO1995030250A1 (en) * 1994-04-29 1995-11-09 Motorola Inc. An improved ceramic duplex filter
EP0951089A2 (en) * 1998-04-17 1999-10-20 Murata Manufacturing Co., Ltd. Dielectric filter, dielectric duplexer, mounting structure thereof, and communication device
US20020109562A1 (en) * 2001-02-15 2002-08-15 Murata Manufacturing Co., Ltd. Dielectric filter, dielectric duplexer, and communication device
US20030151468A1 (en) * 2002-02-14 2003-08-14 Reddy Vangala Reduced length metallized ceramic duplexer

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JPS60114004A (ja) * 1983-11-25 1985-06-20 Murata Mfg Co Ltd 誘電体フィルタの実装構造
JPS6247201A (ja) * 1985-08-23 1987-02-28 Murata Mfg Co Ltd 誘電体共用器
JPH055681Y2 (https=) * 1985-10-18 1993-02-15
JPS62104201A (ja) * 1985-10-30 1987-05-14 Fujitsu Ltd 誘電体フイルタ
US4837534A (en) * 1988-01-29 1989-06-06 Motorola, Inc. Ceramic block filter with bidirectional tuning
JPH02130103U (https=) * 1988-11-16 1990-10-26
US5227747A (en) * 1989-06-15 1993-07-13 Oki Electric Industry Co., Ltd. Dielectric filter having coupling amount adjusting patterns
GB2234399B (en) * 1989-06-21 1993-12-15 Murata Manufacturing Co Dielectric filter
US5144269A (en) * 1990-03-20 1992-09-01 Sanyo Electric Co., Ltd. Dielectric filter having external connection formed on dielectric substrate
US5214398A (en) * 1990-10-31 1993-05-25 Ube Industries, Ltd. Dielectric filter coupling structure having a compact terminal arrangement
JPH04242301A (ja) 1991-01-17 1992-08-31 Matsushita Electric Ind Co Ltd 誘電体フィルタ
US5293141A (en) * 1991-03-25 1994-03-08 Sanyo Electric Co., Ltd. Dielectric filter having external connection terminals on dielectric substrate and antenna duplexer using the same
US5191305A (en) * 1991-07-02 1993-03-02 Interstate Electronics Corporation Multiple bandpass filter
US5177458A (en) * 1991-07-31 1993-01-05 Motorola, Inc. Dielectric filter construction having notched mounting surface
JP2811382B2 (ja) 1991-12-11 1998-10-15 富士電気化学株式会社 誘電体フィルタ
US5208566A (en) * 1992-01-21 1993-05-04 Motorola, Inc. Dielectric filter having adjacently-positioned resonators of dissimilar cross-sectional dimensions and notched side surface
JPH05275905A (ja) 1992-03-25 1993-10-22 Oki Electric Ind Co Ltd 分波器の実装構造
JPH05315807A (ja) * 1992-05-08 1993-11-26 Oki Electric Ind Co Ltd ストリップラインフィルタおよびこれを用いた空中線共用器
JPH06132706A (ja) * 1992-09-07 1994-05-13 Murata Mfg Co Ltd 誘電体共振部品
JPH06237104A (ja) * 1993-01-11 1994-08-23 Matsushita Electric Ind Co Ltd フィルタ装置
JPH06216607A (ja) 1993-01-18 1994-08-05 Ube Ind Ltd 誘電体フィルタ及びその製造方法
JP3230353B2 (ja) * 1993-11-18 2001-11-19 株式会社村田製作所 アンテナ共用器
JPH07176908A (ja) * 1993-12-16 1995-07-14 Murata Mfg Co Ltd 誘電体共振部品およびその特性調整方法
JP3307052B2 (ja) * 1994-02-17 2002-07-24 株式会社村田製作所 誘電体共振器装置
US5602518A (en) * 1995-03-24 1997-02-11 Motorola, Inc. Ceramic filter with channeled features to control magnetic coupling
JPH098506A (ja) * 1995-06-21 1997-01-10 Matsushita Electric Ind Co Ltd 帯域阻止フィルタ
JPH09219605A (ja) * 1996-02-09 1997-08-19 Ngk Spark Plug Co Ltd 誘電体フィルタ及びその共振周波数調整方法
US5731751A (en) * 1996-02-28 1998-03-24 Motorola Inc. Ceramic waveguide filter with stacked resonators having capacitive metallized receptacles
US5793267A (en) * 1996-03-07 1998-08-11 Murata Manufacturing Co., Ltd. Dielectric block filter having first and second resonator arrays coupled together
US6052040A (en) * 1997-03-03 2000-04-18 Ngk Spark Plug Co., Ltd. Dielectric duplexer with different capacitive coupling between antenna pad and transmitting and receiving sections
US6081174A (en) 1997-03-14 2000-06-27 Taiyo Yuden Co., Ltd. Wave filter having two or more coaxial dielectric resonators in juxtaposition
JPH10335906A (ja) * 1997-03-31 1998-12-18 Murata Mfg Co Ltd 誘電体フィルタ、誘電体デュプレクサ及び通信機装置
US5959511A (en) * 1998-04-02 1999-09-28 Cts Corporation Ceramic filter with recessed shield
JP3344333B2 (ja) * 1998-10-22 2002-11-11 株式会社村田製作所 フィルタ内蔵誘電体アンテナ、デュプレクサ内蔵誘電体アンテナおよび無線装置
JP2000295008A (ja) * 1999-02-03 2000-10-20 Murata Mfg Co Ltd 誘電体共振器装置、誘電体フィルタ、誘電体デュプレクサ、通信機および誘電体共振器装置の入出力電極形成方法
JP2001094304A (ja) * 1999-09-17 2001-04-06 Tdk Corp 誘電体フィルタ及びその製造方法
JP3788384B2 (ja) * 2001-05-30 2006-06-21 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、および通信装置
JP3317404B1 (ja) * 2001-07-25 2002-08-26 ティーディーケイ株式会社 誘電体装置
KR101106949B1 (ko) * 2007-12-10 2012-01-20 시티에스 코포레이션 향상된 감쇠를 제공하는 오목형 상부 패턴 및 캐비티를 갖는 ｒｆ 모노블록 필터

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS614303A (ja) * 1984-06-19 1986-01-10 Nec Corp 誘電体帯域通過フイルタ
JPS61258502A (ja) * 1985-05-10 1986-11-15 Murata Mfg Co Ltd マイクロ波フイルタ
WO1995030250A1 (en) * 1994-04-29 1995-11-09 Motorola Inc. An improved ceramic duplex filter
EP0951089A2 (en) * 1998-04-17 1999-10-20 Murata Manufacturing Co., Ltd. Dielectric filter, dielectric duplexer, mounting structure thereof, and communication device
US20020109562A1 (en) * 2001-02-15 2002-08-15 Murata Manufacturing Co., Ltd. Dielectric filter, dielectric duplexer, and communication device
US20030151468A1 (en) * 2002-02-14 2003-08-14 Reddy Vangala Reduced length metallized ceramic duplexer

Also Published As

Publication number Publication date
CN202308233U (zh) 2012-07-04
CA2749145A1 (en) 2010-07-15
WO2010080929A1 (en) 2010-07-15
GB201113470D0 (en) 2011-09-21
US8294532B2 (en) 2012-10-23
JP2012514954A (ja) 2012-06-28
KR20110102925A (ko) 2011-09-19
DE112010000694T5 (de) 2012-11-08
US20100141352A1 (en) 2010-06-10
CN202839908U (zh) 2013-03-27

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Legal Events

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)