DE69826902D1 - Dielektrisches Filter,dielektrischer Duplexer und Kommunikationsgerät - Google Patents

Dielektrisches Filter,dielektrischer Duplexer und Kommunikationsgerät

Info

Publication number
DE69826902D1
DE69826902D1 DE69826902T DE69826902T DE69826902D1 DE 69826902 D1 DE69826902 D1 DE 69826902D1 DE 69826902 T DE69826902 T DE 69826902T DE 69826902 T DE69826902 T DE 69826902T DE 69826902 D1 DE69826902 D1 DE 69826902D1
Authority
DE
Germany
Prior art keywords
dielectric
communication device
duplexer
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
DE69826902T
Other languages
English (en)
Inventor
Masayuki Atokawa
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Application granted granted Critical
Publication of DE69826902D1 publication Critical patent/DE69826902D1/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
    • H01P1/213—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
    • 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
    • H01P1/207—Hollow waveguide filters
    • H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • H01P1/2084—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with dielectric resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/10—Dielectric resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Transceivers (AREA)
DE69826902T 1997-05-30 1998-05-28 Dielektrisches Filter,dielektrischer Duplexer und Kommunikationsgerät Expired - Lifetime DE69826902D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14142497 1997-05-30
JP10097879A JPH1146102A (ja) 1997-05-30 1998-04-09 誘電体フィルタ、誘電体デュプレクサ及び通信機装置

Publications (1)

Publication Number Publication Date
DE69826902D1 true DE69826902D1 (de) 2004-11-11

Family

ID=26439020

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69826902T Expired - Lifetime DE69826902D1 (de) 1997-05-30 1998-05-28 Dielektrisches Filter,dielektrischer Duplexer und Kommunikationsgerät
DE69822550T Expired - Lifetime DE69822550D1 (de) 1997-05-30 1998-05-28 Dielektrisches Filter, dielektrischer Duplexer und Kommunikationsgerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69822550T Expired - Lifetime DE69822550D1 (de) 1997-05-30 1998-05-28 Dielektrisches Filter, dielektrischer Duplexer und Kommunikationsgerät

Country Status (5)

Country Link
US (1) US6111482A (de)
EP (2) EP1324420B1 (de)
JP (1) JPH1146102A (de)
KR (1) KR100292764B1 (de)
DE (2) DE69826902D1 (de)

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JP2000349508A (ja) * 1999-06-03 2000-12-15 Murata Mfg Co Ltd 周波数帯域可変フィルタ、デュプレクサおよび通信機
JP3475858B2 (ja) 1999-06-03 2003-12-10 株式会社村田製作所 アンテナ共用器及び通信機装置
JP2001094306A (ja) * 1999-09-24 2001-04-06 Murata Mfg Co Ltd フィルタ、アンテナ共用器及び通信機装置
AU2424201A (en) 1999-11-04 2001-05-14 Paratek Microwave, Inc. Microstrip tunable filters tuned by dielectric varactors
EP1290790B1 (de) * 2000-04-06 2009-04-01 Nxp B.V. Abstimmbare filteranordnung
WO2002017430A1 (en) 2000-08-22 2002-02-28 Paratek Microwave, Inc. Combline filters with tunable dielectric capacitors
KR100362878B1 (ko) * 2000-09-19 2002-11-29 엘지이노텍 주식회사 무선트랜시이버용 듀플렉서
US6683513B2 (en) * 2000-10-26 2004-01-27 Paratek Microwave, Inc. Electronically tunable RF diplexers tuned by tunable capacitors
ATE295632T1 (de) * 2000-11-03 2005-05-15 Paratek Microwave Inc Verfahren zur kanalfrequenzzuteilung für hf- und mikrowellenduplexer
EP1352444A1 (de) * 2000-12-12 2003-10-15 Paratek Microwave, Inc. Elektrisch abstimmbare kerbenfilter
US7746292B2 (en) 2001-04-11 2010-06-29 Kyocera Wireless Corp. Reconfigurable radiation desensitivity bracket systems and methods
US6690251B2 (en) 2001-04-11 2004-02-10 Kyocera Wireless Corporation Tunable ferro-electric filter
JP4216080B2 (ja) * 2001-04-11 2009-01-28 キョウセラ ワイヤレス コープ． アンテナインターフェイスユニット
US6937195B2 (en) 2001-04-11 2005-08-30 Kyocera Wireless Corp. Inverted-F ferroelectric antenna
US7236068B2 (en) 2002-01-17 2007-06-26 Paratek Microwave, Inc. Electronically tunable combine filter with asymmetric response
KR100835966B1 (ko) * 2002-01-28 2008-06-09 엘지이노텍 주식회사 안테나 스위치
KR20030088817A (ko) * 2002-05-15 2003-11-20 엘지이노텍 주식회사 다중모드 필터장치 및 이를 이용한 신호 송수신 장치
WO2004073165A2 (en) * 2003-02-05 2004-08-26 Paratek Microwave Inc. Electronically tunable block filter with tunable transmission zeros
US20040183626A1 (en) * 2003-02-05 2004-09-23 Qinghua Kang Electronically tunable block filter with tunable transmission zeros
US7720443B2 (en) 2003-06-02 2010-05-18 Kyocera Wireless Corp. System and method for filtering time division multiple access telephone communications
EP1505682A1 (de) * 2003-08-05 2005-02-09 Siemens Aktiengesellschaft HF-Schaltungsanordnung für mobile Kommunikationsendgeräte
DE10353866A1 (de) * 2003-11-18 2005-07-14 Siemens Ag Verfahren zum Anpassen einer Durchlasscharakteristik eines Bandpassfilters sowie Bandpassfilter dafür
SE527798C2 (sv) * 2004-10-19 2006-06-07 Powerwave Technologies Sweden Ett DC-extraherande arrangemang
US7825745B1 (en) * 2006-09-12 2010-11-02 Rf Magic Inc. Variable bandwidth tunable silicon duplexer
JP4757154B2 (ja) * 2006-09-15 2011-08-24 双信電機株式会社 遅延フィルタ
FR2904911A1 (fr) * 2006-11-10 2008-02-15 Thomson Licensing Sas Architecture de terminaux de systeme de communications multibandes
JP5565091B2 (ja) * 2010-05-19 2014-08-06 富士通株式会社 可変バンドパスフィルタ及び通信装置
WO2012025946A1 (en) 2010-08-25 2012-03-01 Commscope Italy S.R.L. Tunable bandpass filter
CN102136620B (zh) * 2010-09-03 2013-11-06 华为技术有限公司 横磁模介质谐振器、横磁模介质滤波器与基站
CN103460611B (zh) * 2011-04-14 2015-08-19 株式会社村田制作所 高频前端电路
JP2016046548A (ja) * 2014-08-19 2016-04-04 シャープ株式会社 通信装置
CN109565098B (zh) * 2016-08-18 2021-01-15 华为技术有限公司 一种滤波器
US10778174B2 (en) 2017-11-30 2020-09-15 Skyworks Solutions, Inc. Band pass filter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0287671B1 (de) * 1986-10-06 1993-12-08 Matsushita Electric Industrial Co., Ltd. Einrichtung zur antennenteilung
GB2247125B (en) * 1990-08-16 1995-01-11 Technophone Ltd Tunable bandpass filter
US5065120A (en) * 1990-09-21 1991-11-12 Motorola, Inc. Frequency agile, dielectrically loaded resonator filter
US5055808A (en) * 1990-09-21 1991-10-08 Motorola, Inc. Bandwidth agile, dielectrically loaded resonator filter
US5392011A (en) * 1992-11-20 1995-02-21 Motorola, Inc. Tunable filter having capacitively coupled tuning elements
FI93504C (fi) * 1993-03-03 1995-04-10 Lk Products Oy Siirtojohtosuodatin, jossa on säädettävät siirtonollat
CA2138033A1 (en) * 1993-05-06 1994-11-24 Darioush Agahi-Kesheh Tunable filter circuit and method therefor
JP2899210B2 (ja) * 1994-05-20 1999-06-02 国際電気株式会社 周波数帯域可変フィルタ
US5502422A (en) * 1994-08-12 1996-03-26 Motorola, Inc. Filter with an adjustable shunt zero
US5495215A (en) * 1994-09-20 1996-02-27 Motorola, Inc. Coaxial resonator filter with variable reactance circuitry for adjusting bandwidth
JPH08186406A (ja) * 1995-01-05 1996-07-16 Matsushita Electric Ind Co Ltd フィルター
JPH11197905A (ja) * 1998-01-12 1999-07-27 Nakamura Tome Precision Ind Co Ltd 旋盤へのワークのローディング方法及びローダ

Also Published As

Publication number Publication date
KR19980087506A (ko) 1998-12-05
DE69822550D1 (de) 2004-04-29
EP0881700A1 (de) 1998-12-02
JPH1146102A (ja) 1999-02-16
EP1324420B1 (de) 2004-10-06
KR100292764B1 (ko) 2001-07-19
US6111482A (en) 2000-08-29
EP0881700B1 (de) 2004-03-24
EP1324420A1 (de) 2003-07-02

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