FR2787950B1 - Appareil et procede de regulation de caracteristique de filtrage - Google Patents

Appareil et procede de regulation de caracteristique de filtrage

Info

Publication number
FR2787950B1
FR2787950B1 FR9910250A FR9910250A FR2787950B1 FR 2787950 B1 FR2787950 B1 FR 2787950B1 FR 9910250 A FR9910250 A FR 9910250A FR 9910250 A FR9910250 A FR 9910250A FR 2787950 B1 FR2787950 B1 FR 2787950B1
Authority
FR
France
Prior art keywords
filtering characteristics
regulating filtering
regulating
filtering
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
FR9910250A
Other languages
English (en)
Other versions
FR2787950A1 (fr
Inventor
Hiroshi Yamazaki
Kazuaki Oishi
Kunihiko Gotoh
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Priority claimed from JP10222198A external-priority patent/JP2000059162A/ja
Priority claimed from JP23154898A external-priority patent/JP4086371B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2787950A1 publication Critical patent/FR2787950A1/fr
Application granted granted Critical
Publication of FR2787950B1 publication Critical patent/FR2787950B1/fr
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
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
FR9910250A 1998-08-06 1999-08-06 Appareil et procede de regulation de caracteristique de filtrage Expired - Fee Related FR2787950B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10222198A JP2000059162A (ja) 1998-08-06 1998-08-06 フィルタ特性調整方法及び装置
JP23154898A JP4086371B2 (ja) 1998-08-18 1998-08-18 半導体増幅回路

Publications (2)

Publication Number Publication Date
FR2787950A1 FR2787950A1 (fr) 2000-06-30
FR2787950B1 true FR2787950B1 (fr) 2004-11-26

Family

ID=26524745

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9910250A Expired - Fee Related FR2787950B1 (fr) 1998-08-06 1999-08-06 Appareil et procede de regulation de caracteristique de filtrage

Country Status (3)

Country Link
US (2) US6307427B1 (fr)
KR (1) KR100662584B1 (fr)
FR (1) FR2787950B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6512414B2 (en) * 2000-07-12 2003-01-28 Matsushita Electric Industrial Co., Ltd. Automatic filter tuning control system
DE10131708B4 (de) * 2001-06-29 2007-02-22 Infineon Technologies Ag Integrierte Schaltung zum Empfang eines Taktsignals, insbesondere für eine Halbleiterspeicherschaltung
DE10321200B3 (de) * 2003-05-12 2005-02-03 Infineon Technologies Ag Einrichtung und Verfahren zur Kalibrierung von R/C-Filterschaltungen
DE10344167B3 (de) * 2003-09-22 2004-12-02 Matsushita Electronic Components (Europe) Gmbh Verfahren und Vorrichtung zur Einstellung eines Filters
JP4317877B2 (ja) * 2004-12-13 2009-08-19 パナソニック株式会社 フィルタの特性調整装置、及びその特性調整方法
DE102006035102B4 (de) * 2006-07-28 2016-04-07 Sivantos Gmbh Hörhilfe mit einem Sende-Empfangssystem
US8358795B2 (en) * 2006-07-28 2013-01-22 Siemens Audiologische Technik Gmbh Receiver system and method for transmitting information for an otological device
US8165555B1 (en) 2008-02-27 2012-04-24 Marvell International Ltd. Method and apparatus for filtering
JP5870368B2 (ja) * 2010-02-12 2016-03-01 スペロ・デバイシーズ・インコーポレーテッド 広帯域アナログ無線周波数を処理する構成要素
KR20150053784A (ko) 2012-09-05 2015-05-18 뉴랜스, 인코포레이티드. 바이쿼드 캘리브레이션

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1156199B (it) * 1978-04-18 1987-01-28 Selenia Ind Elettroniche Perfezionamento nei circuiti si sintonia automatica per filtri controllati in tensione mediante controllo di fase digitale
JPH0787332B2 (ja) * 1986-07-18 1995-09-20 株式会社東芝 フイルタ回路の時定数自動調整回路
JPH07120923B2 (ja) * 1986-12-27 1995-12-20 ソニー株式会社 フイルタ調整装置
JP2639808B2 (ja) 1987-06-22 1997-08-13 日本電信電話株式会社 アクテイブフイルタ
US4819903A (en) 1988-07-12 1989-04-11 Jimenez Louis M Fishing pole holder for portable chairs
JPH04211508A (ja) * 1990-06-15 1992-08-03 Toshiba Corp 積分回路
JP3020685B2 (ja) 1991-10-22 2000-03-15 株式会社東芝 集積回路フィルタの調整方法
KR100393317B1 (ko) * 1994-02-15 2003-10-23 람버스 인코포레이티드 지연동기루프
JPH0983294A (ja) * 1995-09-14 1997-03-28 Asahi Kasei Micro Syst Kk Ｇｍ−Ｃフィルタ回路およびＧｍ−Ｃフィルタの調整方法
US5650747A (en) * 1995-10-05 1997-07-22 Chen; Xiaole Circuit technique for implementing programmable zeros in high speed CMOS filters
JP3393522B2 (ja) * 1995-11-02 2003-04-07 ソニー株式会社 能動フィルタの特性周波数調整装置
KR100197596B1 (ko) * 1996-01-12 1999-06-15 윤종용 주파수특성 보정장치
US5838199A (en) * 1996-05-28 1998-11-17 Analog Devices, Inc. Multi-stage high-performance amplifier
JPH1075144A (ja) * 1996-08-30 1998-03-17 Ngk Spark Plug Co Ltd Ｌｃバンドパスフィルタ及びその周波数特性調整方法
US5945899A (en) * 1996-09-13 1999-08-31 The United States Of America As Represented By The Secretary Of The Army Permanent magnet twister
JP3534375B2 (ja) * 1997-01-17 2004-06-07 株式会社ルネサステクノロジ 差動回路を含む電子回路

Also Published As

Publication number Publication date
KR20000017019A (ko) 2000-03-25
US6570412B2 (en) 2003-05-27
US6307427B1 (en) 2001-10-23
FR2787950A1 (fr) 2000-06-30
KR100662584B1 (ko) 2007-01-02
US20010054929A1 (en) 2001-12-27

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Effective date: 20090430