DE10392971D2 - Filterschaltung - Google Patents

Filterschaltung

Info

Publication number
DE10392971D2
DE10392971D2 DE10392971T DE10392971T DE10392971D2 DE 10392971 D2 DE10392971 D2 DE 10392971D2 DE 10392971 T DE10392971 T DE 10392971T DE 10392971 T DE10392971 T DE 10392971T DE 10392971 D2 DE10392971 D2 DE 10392971D2
Authority
DE
Germany
Prior art keywords
filter circuit
filter
circuit
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 - Fee Related
Application number
DE10392971T
Other languages
English (en)
Other versions
DE10392971B4 (de
Inventor
Juha Sakari Ellae
Hans-Joerg Timme
Robert Aigner
Stephan Marksteiner
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.)
Nokia Oyj
Avago Technologies International Sales Pte Ltd
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Application granted granted Critical
Publication of DE10392971D2 publication Critical patent/DE10392971D2/de
Publication of DE10392971B4 publication Critical patent/DE10392971B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03H9/0023—Balance-unbalance or balance-balance networks
    • H03H9/0095—Balance-unbalance or balance-balance networks using bulk acoustic wave 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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/0006—Printed inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/12—Variable inductances or transformers of the signal type discontinuously variable, e.g. tapped
    • H01F2021/125—Printed variable inductor with taps, e.g. for VCO
    • 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
    • H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Power Conversion In General (AREA)
DE10392971T 2002-07-30 2003-07-01 Filterschaltung Expired - Fee Related DE10392971B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10234685A DE10234685A1 (de) 2002-07-30 2002-07-30 Filterschaltung
DE10234685.2 2002-07-30
PCT/EP2003/007015 WO2004019491A2 (de) 2002-07-30 2003-07-01 Schaltung aus filterstufe und symmetrierbauglied

Publications (2)

Publication Number Publication Date
DE10392971D2 true DE10392971D2 (de) 2005-07-21
DE10392971B4 DE10392971B4 (de) 2010-07-08

Family

ID=30469197

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10234685A Withdrawn DE10234685A1 (de) 2002-07-30 2002-07-30 Filterschaltung
DE10392971T Expired - Fee Related DE10392971B4 (de) 2002-07-30 2003-07-01 Filterschaltung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10234685A Withdrawn DE10234685A1 (de) 2002-07-30 2002-07-30 Filterschaltung

Country Status (8)

Country Link
US (1) US7199684B2 (de)
EP (1) EP1547245A2 (de)
JP (1) JP2005535264A (de)
KR (1) KR100687076B1 (de)
CN (1) CN100525099C (de)
AU (1) AU2003257428A1 (de)
DE (2) DE10234685A1 (de)
WO (1) WO2004019491A2 (de)

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FR2864729B1 (fr) 2003-12-29 2006-05-05 St Microelectronics Sa Resonateur acoustique integrable , et procede d'integration d'un tel resonateur
FR2864733A1 (fr) 2003-12-29 2005-07-01 St Microelectronics Sa Boucle a verrouillage de phase integrable dotee d'un resonateur acoustique
FR2864727B1 (fr) 2003-12-29 2007-05-11 St Microelectronics Sa Circuit electronique comportant un resonateur destine a etre integre dans un produit semi-conducteur
WO2005125008A1 (ja) * 2004-06-17 2005-12-29 Matsushita Electric Industrial Co., Ltd. Ｆｂａｒフィルタ
WO2006018788A1 (en) * 2004-08-20 2006-02-23 Philips Intellectual Property & Standards Gmbh Narrow band bulk acoustic wave filter
KR100649497B1 (ko) * 2004-09-23 2006-11-28 삼성전기주식회사 불평형-평형 입출력 구조의 ｆｂａｒ필터
US7187255B2 (en) * 2004-10-26 2007-03-06 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Arrangement of lattice filter
FR2883432B1 (fr) 2005-03-18 2008-02-22 St Microelectronics Sa Circuit de filtrage accordable en frequence integrable, comportant un jeu de resonateurs baw
KR100656335B1 (ko) * 2005-04-14 2006-12-13 한국과학기술원 전송선 변압기
FR2888060A1 (fr) 2005-07-01 2007-01-05 St Microelectronics Sa Circuit de filtrage passe-bande dote de resonateurs acoustiques
US7479850B2 (en) * 2006-04-05 2009-01-20 Tdk Corporation Miniaturised half-wave balun
FR2904492A1 (fr) 2006-07-28 2008-02-01 St Microelectronics Sa Circuit de filtrage dote de resonateurs acoustiques
US8103224B1 (en) * 2006-09-19 2012-01-24 Rf Micro Devices, Inc. Method and apparatus for the integration of a high efficiency power amplifier with an integrated transceiver for wireless communication
US20080101263A1 (en) * 2006-10-30 2008-05-01 Skyworks Solutions, Inc. Single-ended to differential duplexer filter
EP2186193A4 (de) * 2007-08-29 2010-08-25 Skyworks Solutions Inc Balun-signalteiler
FR2920612B1 (fr) 2007-09-03 2009-12-04 St Microelectronics Sa Circuit d'accord en frequence pour filtre treillis
US8576026B2 (en) * 2007-12-28 2013-11-05 Stats Chippac, Ltd. Semiconductor device having balanced band-pass filter implemented with LC resonator
US7795889B2 (en) 2008-01-25 2010-09-14 Infineon Technologies Ag Probe device
JP4871966B2 (ja) 2009-01-30 2012-02-08 太陽誘電株式会社 高周波デバイス、フィルタ、デュープレクサ、通信モジュール、通信装置
JP5210253B2 (ja) * 2009-07-01 2013-06-12 太陽誘電株式会社 弾性波デバイス
KR101565995B1 (ko) * 2009-07-16 2015-11-05 삼성전자주식회사 듀얼-입력 듀얼-출력의 필터를 이용한 멀티-대역의 라디오 주파수 신호 송수신 시스템
US8791775B2 (en) 2010-03-30 2014-07-29 Stats Chippac, Ltd. Semiconductor device and method of forming high-attenuation balanced band-pass filter
DE102011100468B4 (de) 2011-05-04 2013-07-04 Epcos Ag Mit akustischen Volumenwellen arbeitendes BAW-Filter, Herstellungsverfahren hierfür und Duplexer
KR101919115B1 (ko) 2012-02-29 2018-11-15 삼성전자주식회사 Ｂａｗｒ 을 이용한 필터
CN103716010B (zh) * 2013-12-30 2017-11-17 宇龙计算机通信科技(深圳)有限公司 一种巴伦电路及终端
US11764749B2 (en) 2016-08-29 2023-09-19 Silicon Laboratories Inc. Apparatus with partitioned radio frequency antenna and matching network and associated methods
US11894622B2 (en) 2016-08-29 2024-02-06 Silicon Laboratories Inc. Antenna structure with double-slotted loop and associated methods
US11764473B2 (en) 2016-08-29 2023-09-19 Silicon Laboratories Inc. Apparatus with partitioned radio frequency antenna and matching network and associated methods
US11769949B2 (en) 2016-08-29 2023-09-26 Silicon Laboratories Inc. Apparatus with partitioned radio frequency antenna and matching network and associated methods
US11749893B2 (en) 2016-08-29 2023-09-05 Silicon Laboratories Inc. Apparatus for antenna impedance-matching and associated methods
US11894621B2 (en) 2017-12-18 2024-02-06 Silicon Laboratories Inc. Radio-frequency apparatus with multi-band balun with improved performance and associated methods
US11894826B2 (en) 2017-12-18 2024-02-06 Silicon Laboratories Inc. Radio-frequency apparatus with multi-band balun and associated methods
US11916514B2 (en) 2017-11-27 2024-02-27 Silicon Laboratories Inc. Radio-frequency apparatus with multi-band wideband balun and associated methods
US11750167B2 (en) 2017-11-27 2023-09-05 Silicon Laboratories Inc. Apparatus for radio-frequency matching networks and associated methods
CN109217836B (zh) * 2018-09-03 2022-05-31 南京邮电大学 四端口低反射式双工滤波器
CN110971209B (zh) * 2019-11-04 2023-10-20 天津大学 提高体声波滤波器功率容量的方法及滤波元件
US11581853B2 (en) * 2021-01-27 2023-02-14 Avago Technologies International Sales Pte. Limited Wideband filter for direct connection to differential power amplifier
US20230093885A1 (en) * 2021-09-24 2023-03-30 RF360 Europe GmbH Harmonic Reduction with Filtering
US11862872B2 (en) 2021-09-30 2024-01-02 Silicon Laboratories Inc. Apparatus for antenna optimization and associated methods
US20230353117A1 (en) * 2022-04-28 2023-11-02 RF360 Europe GmbH Bridge Filters

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374448A (en) * 1964-05-25 1968-03-19 Damon Eng Inc High efficiency contiguous comb filter
US4623894A (en) * 1984-06-22 1986-11-18 Hughes Aircraft Company Interleaved waveguide and dipole dual band array antenna
FI93679C (fi) * 1991-10-23 1995-05-10 Nokia Mobile Phones Ltd Taajuusselektiivinen mikroliuskamuuntaja sekä diodisekoitin
JPH08148968A (ja) * 1994-11-24 1996-06-07 Mitsubishi Electric Corp 薄膜圧電素子
WO1997000556A1 (en) * 1995-06-16 1997-01-03 Northern Telecom Limited Cascaded surface wave device filters
JP3186604B2 (ja) * 1996-10-09 2001-07-11 株式会社村田製作所 弾性表面波フィルタ装置
WO1998034345A1 (en) * 1997-01-31 1998-08-06 Motorola Inc. Inline-coupled resonator with lattice filter and method
JP2000114917A (ja) * 1998-09-30 2000-04-21 Kyocera Corp バランス型弾性表面波フィルタ
JP2000244337A (ja) * 1999-02-19 2000-09-08 Matsushita Electric Ind Co Ltd 送信モジュール
DE19962028A1 (de) * 1999-12-22 2001-06-28 Philips Corp Intellectual Pty Filteranordnung
US6542055B1 (en) * 2000-10-31 2003-04-01 Agilent Technologies, Inc. Integrated filter balun
US6407649B1 (en) * 2001-01-05 2002-06-18 Nokia Corporation Monolithic FBAR duplexer and method of making the same
US6803835B2 (en) * 2001-08-30 2004-10-12 Agilent Technologies, Inc. Integrated filter balun
US6670866B2 (en) * 2002-01-09 2003-12-30 Nokia Corporation Bulk acoustic wave resonator with two piezoelectric layers as balun in filters and duplexers
DE10225202B4 (de) * 2002-06-06 2017-06-01 Epcos Ag Mit akustischen Wellen arbeitendes Bauelement mit einem Anpassnetzwerk

Also Published As

Publication number Publication date
JP2005535264A (ja) 2005-11-17
DE10392971B4 (de) 2010-07-08
DE10234685A1 (de) 2004-02-19
AU2003257428A8 (en) 2004-03-11
AU2003257428A1 (en) 2004-03-11
US20050212619A1 (en) 2005-09-29
US7199684B2 (en) 2007-04-03
KR20050089957A (ko) 2005-09-09
EP1547245A2 (de) 2005-06-29
WO2004019491A3 (de) 2005-05-06
CN1672326A (zh) 2005-09-21
CN100525099C (zh) 2009-08-05
WO2004019491A2 (de) 2004-03-04
KR100687076B1 (ko) 2007-02-26

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R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee