WO2008108150A1 - 周波数可変帯域除去フィルタ - Google Patents

周波数可変帯域除去フィルタ Download PDF

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Publication number
WO2008108150A1
WO2008108150A1 PCT/JP2008/052517 JP2008052517W WO2008108150A1 WO 2008108150 A1 WO2008108150 A1 WO 2008108150A1 JP 2008052517 W JP2008052517 W JP 2008052517W WO 2008108150 A1 WO2008108150 A1 WO 2008108150A1
Authority
WO
WIPO (PCT)
Prior art keywords
series resonance
circuits
frequency band
variable frequency
removing filter
Prior art date
Application number
PCT/JP2008/052517
Other languages
English (en)
French (fr)
Inventor
Tetsuro Harada
Ken Tonegawa
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.
Priority to EP08711347A priority Critical patent/EP2128979B1/en
Priority to JP2009502495A priority patent/JP4998550B2/ja
Publication of WO2008108150A1 publication Critical patent/WO2008108150A1/ja
Priority to US12/542,734 priority patent/US7911294B2/en

Links

Classifications

    • 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
    • H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
    • 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
    • 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
    • H03H7/1775—Parallel 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
    • H03H7/1791—Combined 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
    • H03H2007/013—Notch or bandstop filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/01—Tuned parameter of filter characteristics
    • H03H2210/012—Centre frequency; Cut-off frequency

Abstract

　インダクタ（ＬＮ１，ＬＮ２）とキャパシタ（ＣＮ１，ＣＮ２）の直列回路による直列共振回路（ＳＲ１，ＳＲ２）を線路に対しシャントに接続し、その接地端側と接地との間にスイッチ素子としてのダイオード（Ｄ１，Ｄ２）を挿入する。直列共振回路（ＳＲ１，ＳＲ２）の接地端側とダイオード（Ｄ１，Ｄ２）との接続点を周波数特性切替用インダクタ（ＬＮ１１，ＬＮ２２）を介して高周波的に接地する。また直列共振回路（ＳＲ１，ＳＲ２）の間にＬＣＬの複数段のＴ型回路からなる整合回路（ＭＣ）を設け、直列共振回路（ＳＲ１，ＳＲ２）の接地端側とは別の端子を入出力端子（Ｐ１，Ｐ２）に接続する。
PCT/JP2008/052517 2007-03-02 2008-02-15 周波数可変帯域除去フィルタ WO2008108150A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08711347A EP2128979B1 (en) 2007-03-02 2008-02-15 Variable frequency band removing filter
JP2009502495A JP4998550B2 (ja) 2007-03-02 2008-02-15 周波数可変帯域除去フィルタ
US12/542,734 US7911294B2 (en) 2007-03-02 2009-08-18 Variable-frequency band-elimination filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007052971 2007-03-02
JP2007-052971 2007-03-02

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/542,734 Continuation US7911294B2 (en) 2007-03-02 2009-08-18 Variable-frequency band-elimination filter

Publications (1)

Publication Number Publication Date
WO2008108150A1 true WO2008108150A1 (ja) 2008-09-12

Family

ID=39738047

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052517 WO2008108150A1 (ja) 2007-03-02 2008-02-15 周波数可変帯域除去フィルタ

Country Status (4)

Country Link
US (1) US7911294B2 (ja)
EP (1) EP2128979B1 (ja)
JP (1) JP4998550B2 (ja)
WO (1) WO2008108150A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103516248A (zh) * 2013-09-26 2014-01-15 武汉大学 基于单电流环控制的llcl滤波并网逆变器
WO2021027351A1 (zh) * 2019-08-13 2021-02-18 中兴通讯股份有限公司 一种限波电路及其预校准方法、动态修正方法及装置

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US8692532B2 (en) 2008-04-16 2014-04-08 Enpirion, Inc. Power converter with controller operable in selected modes of operation
US8541991B2 (en) 2008-04-16 2013-09-24 Enpirion, Inc. Power converter with controller operable in selected modes of operation
US8686698B2 (en) 2008-04-16 2014-04-01 Enpirion, Inc. Power converter with controller operable in selected modes of operation
US9246390B2 (en) 2008-04-16 2016-01-26 Enpirion, Inc. Power converter with controller operable in selected modes of operation
US8410769B2 (en) * 2008-04-16 2013-04-02 Enpirion, Inc. Power converter with controller operable in selected modes of operation
US7679342B2 (en) * 2008-04-16 2010-03-16 Enpirion, Inc. Power converter with power switch operable in controlled current mode
US9548714B2 (en) * 2008-12-29 2017-01-17 Altera Corporation Power converter with a dynamically configurable controller and output filter
US8698463B2 (en) 2008-12-29 2014-04-15 Enpirion, Inc. Power converter with a dynamically configurable controller based on a power conversion mode
US8867295B2 (en) 2010-12-17 2014-10-21 Enpirion, Inc. Power converter for a memory module
JP2013156207A (ja) * 2012-01-31 2013-08-15 Semiconductor Components Industries Llc 流体の流量測定装置
KR20140110546A (ko) * 2013-03-08 2014-09-17 주식회사 케이엠더블유 무선 주파수 필터
US8751993B1 (en) * 2013-03-15 2014-06-10 Resonant Llc Element removal design in microwave filters
JP6267326B2 (ja) * 2014-04-21 2018-01-24 株式会社日立製作所 多層プリント基板
US9509217B2 (en) 2015-04-20 2016-11-29 Altera Corporation Asymmetric power flow controller for a power converter and method of operating the same
US10050603B2 (en) 2015-11-04 2018-08-14 Mediatek Inc. Frequency tunable filter with voltage stressed relaxed switch, and associated apparatus
FR3088779B1 (fr) * 2018-11-20 2020-12-04 Commissariat Energie Atomique Circuit d’alimentation de circuits de commande d’interrupteurs

Citations (6)

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Publication number Priority date Publication date Assignee Title
US4361909A (en) 1980-05-30 1982-11-30 Rca Corporation Pre-tuner tracking traps responsive to a tuning voltage
JPH07321509A (ja) * 1994-05-20 1995-12-08 Kokusai Electric Co Ltd 周波数帯域可変フィルタ
JPH07321586A (ja) 1994-05-20 1995-12-08 Kokusai Electric Co Ltd 周波数帯域可変フィルタ
JPH08274504A (ja) * 1995-03-28 1996-10-18 Taiyo Yuden Co Ltd 高周波用フィルタ装置
JPH09199996A (ja) 1996-01-12 1997-07-31 Japan Radio Co Ltd 同調フィルタ
JPH10289342A (ja) 1997-04-14 1998-10-27 Mitsubishi Electric Corp ノンストップ自動料金収受システム

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US4876739A (en) * 1985-10-30 1989-10-24 Capetronic (Bsr) Ltd. TVRO receiver system with low-cost video-noise reduction filter
JP3351448B2 (ja) 1994-06-06 2002-11-25 株式会社日立国際電気 周波数帯域可変分波器
US5932522A (en) * 1996-09-27 1999-08-03 Illinois Superconductor Corporation Superconducting radio-frequency bandstop filter
EP0998035B1 (en) * 1998-10-27 2006-03-22 Murata Manufacturing Co., Ltd. Composite high frequency component and mobile communication device including the same
JP3465630B2 (ja) * 1999-06-02 2003-11-10 株式会社村田製作所 アンテナ共用器および通信装置
JP3915674B2 (ja) * 2002-11-20 2007-05-16 松下電器産業株式会社 整合器
EP1450486A1 (en) * 2003-02-20 2004-08-25 TDK Corporation Multi-Mode Filter
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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361909A (en) 1980-05-30 1982-11-30 Rca Corporation Pre-tuner tracking traps responsive to a tuning voltage
JPH07321509A (ja) * 1994-05-20 1995-12-08 Kokusai Electric Co Ltd 周波数帯域可変フィルタ
JPH07321586A (ja) 1994-05-20 1995-12-08 Kokusai Electric Co Ltd 周波数帯域可変フィルタ
JPH08274504A (ja) * 1995-03-28 1996-10-18 Taiyo Yuden Co Ltd 高周波用フィルタ装置
JPH09199996A (ja) 1996-01-12 1997-07-31 Japan Radio Co Ltd 同調フィルタ
JPH10289342A (ja) 1997-04-14 1998-10-27 Mitsubishi Electric Corp ノンストップ自動料金収受システム

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2128979A4

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103516248A (zh) * 2013-09-26 2014-01-15 武汉大学 基于单电流环控制的llcl滤波并网逆变器
CN103516248B (zh) * 2013-09-26 2016-01-13 武汉大学 基于单电流环控制的llcl滤波并网逆变器
WO2021027351A1 (zh) * 2019-08-13 2021-02-18 中兴通讯股份有限公司 一种限波电路及其预校准方法、动态修正方法及装置

Also Published As

Publication number Publication date
EP2128979B1 (en) 2013-01-30
US20090295503A1 (en) 2009-12-03
JP4998550B2 (ja) 2012-08-15
JPWO2008108150A1 (ja) 2010-06-10
EP2128979A4 (en) 2011-04-20
EP2128979A1 (en) 2009-12-02
US7911294B2 (en) 2011-03-22

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