DE60016334D1 - Bandgeschalteten Oberflächenwellen-Antenneduplexer und Mobilfunkendgerät - Google Patents

Bandgeschalteten Oberflächenwellen-Antenneduplexer und Mobilfunkendgerät

Info

Publication number
DE60016334D1
DE60016334D1 DE60016334T DE60016334T DE60016334D1 DE 60016334 D1 DE60016334 D1 DE 60016334D1 DE 60016334 T DE60016334 T DE 60016334T DE 60016334 T DE60016334 T DE 60016334T DE 60016334 D1 DE60016334 D1 DE 60016334D1
Authority
DE
Germany
Prior art keywords
band
acoustic wave
surface acoustic
mobile radio
radio terminal
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
DE60016334T
Other languages
English (en)
Other versions
DE60016334T2 (de
Inventor
Mitsutaka Hikita
Nobuhiko Shibagaki
Kazuyuki Sakiyama
Masato Kijima
Osamu Hikino
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.)
Hitachi Media Electronics Co Ltd
Original Assignee
Hitachi Media Electronics 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 Hitachi Media Electronics Co Ltd filed Critical Hitachi Media Electronics Co Ltd
Application granted granted Critical
Publication of DE60016334D1 publication Critical patent/DE60016334D1/de
Publication of DE60016334T2 publication Critical patent/DE60016334T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H03H9/725—Duplexers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H7/463—Duplexers
    • H03H7/465—Duplexers having variable circuit topology, e.g. including switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
    • H03H9/0566—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers
    • H03H9/0576—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers including surface acoustic wave [SAW] devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1708—Comprising bridging elements, i.e. elements in a series path without own reference to ground and spanning branching nodes of another series path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/175—Series LC in series path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1758—Series LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1766—Parallel LC in series path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Transceivers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Telephone Function (AREA)
DE60016334T 1999-08-26 2000-08-28 Bandgeschalteten Oberflächenwellen-Antenneduplexer und Mobilfunkendgerät Expired - Lifetime DE60016334T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23917199A JP3704442B2 (ja) 1999-08-26 1999-08-26 無線端末
JP23917199 1999-08-26

Publications (2)

Publication Number Publication Date
DE60016334D1 true DE60016334D1 (de) 2005-01-05
DE60016334T2 DE60016334T2 (de) 2005-05-04

Family

ID=17040790

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60016334T Expired - Lifetime DE60016334T2 (de) 1999-08-26 2000-08-28 Bandgeschalteten Oberflächenwellen-Antenneduplexer und Mobilfunkendgerät

Country Status (4)

Country Link
US (1) US6525624B1 (de)
EP (1) EP1079534B1 (de)
JP (1) JP3704442B2 (de)
DE (1) DE60016334T2 (de)

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DE19960299A1 (de) * 1999-12-14 2001-06-21 Epcos Ag Duplexer mit verbesserter Sende-/Empfangsbandtrennung
EP2197120B1 (de) * 2000-03-15 2012-07-25 Hitachi Metals, Ltd. Hochfrequenz-Modul und drahtloses Nachrichtengerät
DE60222592T2 (de) * 2001-02-27 2008-01-31 Matsushita Electric Industrial Co., Ltd., Kadoma Antennenweiche und deren Verwendung in einem mobilen Kommunikationsgerät
JP2007174713A (ja) * 2001-03-30 2007-07-05 Hitachi Media Electoronics Co Ltd 高周波フィルタ、高周波回路、アンテナ共用器及び無線端末
DE10152344C1 (de) * 2001-10-24 2003-06-05 Siemens Ag Anordnung zur Sende- und Empfangsverbesserung bei einem Funkkommunikationssystem mit einer Basisstation
GB0217932D0 (en) * 2002-08-02 2002-09-11 Koninkl Philips Electronics Nv High frequency module
JP2004153523A (ja) * 2002-10-30 2004-05-27 Matsushita Electric Ind Co Ltd 高周波スイッチモジュール
US7212789B2 (en) * 2002-12-30 2007-05-01 Motorola, Inc. Tunable duplexer
GB0308913D0 (en) * 2003-04-17 2003-05-21 Koninkl Philips Electronics Nv Method of, and circuit for,broadening the frequency band of frequency dependentloads
US7522016B2 (en) * 2004-09-15 2009-04-21 Qualcomm, Incorporated Tunable surface acoustic wave resonators
KR100760780B1 (ko) * 2004-09-28 2007-09-21 후지쓰 메디아 데바이스 가부시키가이샤 분파기
WO2006063288A2 (en) * 2004-12-09 2006-06-15 Wispry, Inc. Pole-zero elements and related systems and methods
US8229366B2 (en) * 2005-04-08 2012-07-24 Qualcomm, Incorporated Tunable duplexer with common node notch filter
US7952482B2 (en) * 2005-08-25 2011-05-31 University Of Central Florida Research Foundation, Inc. Surface acoustic wave coding for orthogonal frequency coded devices
EP2037577B1 (de) * 2006-07-05 2014-01-15 Murata Manufacturing Co. Ltd. Filtermodul und Kommunikationsvorrichtung
US7816997B2 (en) * 2006-09-28 2010-10-19 Infineon Technologies Ag Antenna multiplexer with a Pi-network circuit and use of a Pi-network
CN101257286B (zh) * 2006-09-28 2012-07-18 英飞凌科技股份公司 具有∏型网络电路的天线多工器及∏型网络电路的应用
WO2009025057A1 (ja) * 2007-08-23 2009-02-26 Fujitsu Limited 分波器、および分波器を含むモジュール、通信機器
US7884685B2 (en) * 2007-09-05 2011-02-08 Nokia Corporation Band switching by diplexer component tuning
JP5441095B2 (ja) * 2008-01-31 2014-03-12 太陽誘電株式会社 弾性波デバイス、デュープレクサ、通信モジュール、および通信装置
FR2927742A1 (fr) * 2008-02-15 2009-08-21 St Microelectronics Sa Filtre a resonateur acoustiques de type baw reconfigurable par voie numerique et procede
CN101369818B (zh) * 2008-08-01 2012-08-29 京信通信系统（中国）有限公司 多频段双工单工切换合分路器及其方法
WO2010073377A1 (ja) * 2008-12-26 2010-07-01 太陽誘電株式会社 分波器および電子装置
JP5183459B2 (ja) * 2008-12-26 2013-04-17 太陽誘電株式会社 分波器、分波器用基板および電子装置
US8339220B2 (en) * 2009-09-16 2012-12-25 Lojack Operating Company, Lp Surface acoustic wave resonator filter
WO2015119178A1 (ja) 2014-02-10 2015-08-13 株式会社村田製作所 可変フィルタ回路および無線通信装置
KR101980033B1 (ko) * 2015-03-30 2019-05-17 가부시키가이샤 무라타 세이사쿠쇼 고주파 필터, 프론트 엔드 회로, 및 통신 기기
JP5999295B1 (ja) * 2015-04-01 2016-09-28 株式会社村田製作所 デュプレクサ
WO2017069048A1 (ja) * 2015-10-19 2017-04-27 株式会社村田製作所 周波数可変フィルタ、ｒｆフロントエンド回路、通信装置
US10050603B2 (en) 2015-11-04 2018-08-14 Mediatek Inc. Frequency tunable filter with voltage stressed relaxed switch, and associated apparatus
US9405875B1 (en) * 2015-11-13 2016-08-02 Resonant Inc. Simulating effects of temperature on acoustic microwave filters
WO2017138540A1 (ja) * 2016-02-08 2017-08-17 株式会社村田製作所 高周波フィルタ回路、デュプレクサ、高周波フロントエンド回路、および通信装置
WO2018056224A1 (ja) * 2016-09-21 2018-03-29 株式会社村田製作所 弾性波装置、高周波フロントエンド回路および通信装置
EP3503390B1 (de) * 2016-11-08 2021-06-30 Mitsubishi Electric Corporation Mehrbandfilter
CN111164889B (zh) 2017-09-29 2023-11-03 株式会社村田制作所 混合滤波器装置以及多路调制器
WO2019078157A1 (ja) * 2017-10-16 2019-04-25 株式会社村田製作所 弾性波フィルタ、マルチプレクサ、高周波フロントエンド回路および通信装置
CN108833701B (zh) * 2018-06-12 2020-07-28 维沃移动通信有限公司 一种天线控制方法、天线系统及终端
CN112313875B (zh) * 2018-06-21 2024-08-27 株式会社村田制作所 滤波器以及多工器
US10917123B2 (en) * 2018-09-28 2021-02-09 Qualcomm Incorporated N-plexer filtering for coupled antennas
JP7352855B2 (ja) * 2019-08-21 2023-09-29 株式会社村田製作所 分波器
WO2024157757A1 (ja) * 2023-01-23 2024-08-02 京セラ株式会社 弾性波フィルタおよび通信装置

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US4792939A (en) * 1986-01-24 1988-12-20 Hitachi Denshi Kabushiki Kaisha Duplex radio communication transceiver
JPH02181524A (ja) * 1989-01-05 1990-07-16 Toshiba Corp 帯域切替フィルタ回路
FI88565C (fi) * 1990-07-06 1993-05-25 Lk Products Oy Foerfarande foer att foerbaettra spaerrdaempning av ett radiofrekvensfilter
JPH05235688A (ja) * 1992-02-20 1993-09-10 Hitachi Ltd 弾性表面波装置及びこれを用いた移動無線端末
DE69625734T2 (de) * 1995-03-15 2003-05-22 Matsushita Electric Industrial Co., Ltd. Akustischer Oberflächenwellenfilter
US5632909A (en) * 1995-06-19 1997-05-27 Motorola, Inc. Filter
JPH09121138A (ja) * 1995-08-24 1997-05-06 Fujitsu Ltd フィルタ装置及びこれを用いた無線装置
JPH0983214A (ja) * 1995-09-14 1997-03-28 Goyo Denshi Kogyo Kk アンテナ共用器
FI962815A0 (fi) * 1996-07-11 1996-07-11 Lk Products Oy Duplex-filter
DE69834679T2 (de) * 1997-03-12 2006-09-21 Matsushita Electric Industrial Co., Ltd., Kadoma Antennenweiche
JPH11122139A (ja) * 1997-10-17 1999-04-30 Murata Mfg Co Ltd アンテナ共用器
US5933062A (en) * 1997-11-04 1999-08-03 Motorola Inc. Acoustic wave ladder filter with effectively increased coupling coefficient and method of providing same
JP3109477B2 (ja) * 1998-05-26 2000-11-13 日本電気株式会社 マルチチップモジュール
EP1035648A3 (de) * 1999-03-10 2000-12-27 Matsushita Electric Industrial Co., Ltd. Bereichsumschaltbares Filter mit einem Oberflächenwellenresonator und Antennenduplexer mit solch einem Filter
JP2000323961A (ja) * 1999-03-10 2000-11-24 Matsushita Electric Ind Co Ltd 弾性表面波共振器を用いた帯域切替フィルタとそれを用いたアンテナ共用器

Also Published As

Publication number Publication date
JP2001069031A (ja) 2001-03-16
US6525624B1 (en) 2003-02-25
EP1079534A3 (de) 2001-11-07
DE60016334T2 (de) 2005-05-04
EP1079534B1 (de) 2004-12-01
EP1079534A2 (de) 2001-02-28
JP3704442B2 (ja) 2005-10-12

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Legal Events

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8364 No opposition during term of opposition