DE69620579D1 - Abstimmschaltung - Google Patents

Abstimmschaltung

Info

Publication number
DE69620579D1
DE69620579D1 DE69620579T DE69620579T DE69620579D1 DE 69620579 D1 DE69620579 D1 DE 69620579D1 DE 69620579 T DE69620579 T DE 69620579T DE 69620579 T DE69620579 T DE 69620579T DE 69620579 D1 DE69620579 D1 DE 69620579D1
Authority
DE
Germany
Prior art keywords
tuning
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
DE69620579T
Other languages
English (en)
Inventor
Takeshi Ikeda
Tadataka Ohe
Tsutomu Nakanishi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE69620579D1 publication Critical patent/DE69620579D1/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
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • 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
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1291—Current or voltage controlled filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/16—Networks for phase shifting
    • H03H11/20—Two-port phase shifters providing an adjustable phase shift
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/46—One-port networks
    • H03H11/48—One-port networks simulating reactances
    • H03H11/481—Simulating capacitances
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/46—One-port networks
    • H03H11/48—One-port networks simulating reactances
    • H03H11/483—Simulating capacitance multipliers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/46—One-port networks
    • H03H11/48—One-port networks simulating reactances
    • H03H11/485—Simulating inductances using operational amplifiers
    • 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
    • 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
    • H03H2210/015—Quality factor or bandwidth
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/02—Variable filter component
    • H03H2210/026—Inductor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/02—Variable filter component
    • H03H2210/028—Resistor
DE69620579T 1995-01-12 1996-01-11 Abstimmschaltung Expired - Lifetime DE69620579D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP07021120 1995-01-12
PCT/JP1996/000026 WO1996021970A1 (fr) 1995-01-12 1996-01-11 Circuit d'accord

Publications (1)

Publication Number Publication Date
DE69620579D1 true DE69620579D1 (de) 2002-05-16

Family

ID=12046030

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69620579T Expired - Lifetime DE69620579D1 (de) 1995-01-12 1996-01-11 Abstimmschaltung

Country Status (8)

Country Link
US (1) US6081157A (de)
EP (1) EP0803981B1 (de)
KR (1) KR100396629B1 (de)
CN (1) CN1075289C (de)
AU (1) AU4399996A (de)
DE (1) DE69620579D1 (de)
HK (1) HK1008275A1 (de)
WO (1) WO1996021970A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6327465B1 (en) * 1998-12-02 2001-12-04 Micron Technology, Inc. Voltage tunable active inductorless filter
JP4418250B2 (ja) * 2004-02-05 2010-02-17 株式会社ルネサステクノロジ 高周波回路モジュール
US7256575B2 (en) * 2004-06-01 2007-08-14 Tektronix, Inc. Wide bandwidth attenuator input circuit for a measurement probe
JPWO2007026572A1 (ja) * 2005-08-30 2009-03-26 パナソニック株式会社 低雑音増幅回路、および受信システム
US7382197B2 (en) * 2006-09-08 2008-06-03 Intel Corporation Adaptive tuning circuit to maximize output signal amplitude for an amplifier
JP2008205560A (ja) * 2007-02-16 2008-09-04 Fujitsu Ltd 可変利得増幅回路、フィルタ回路、及び半導体装置
US20140152410A1 (en) * 2012-12-03 2014-06-05 Arizona Board of Regents, a body corporate of the State of Arizona Acting for and on behalf of Arizo Integrated tunable inductors
CZ304678B6 (cs) * 2013-02-27 2014-08-27 České vysoké učení technické v Praze - Fakulta elektrotechnická Korektor amplitudově kmitočtové charakteristiky
US9500687B2 (en) * 2014-03-21 2016-11-22 Taiwan Semiconductor Manufacturing Company Ltd. Circuit and method for measuring the gain of an operational amplifier
US10161977B2 (en) * 2014-06-12 2018-12-25 Taiwan Semiconductor Manufacturing Company, Ltd. Circuit and method for gain measurement
CN107592085B (zh) * 2017-09-18 2018-09-07 深圳锐越微技术有限公司 功率放大器和电子设备
US11683022B2 (en) * 2021-03-04 2023-06-20 Kinetic Technologies International Holdings Lp Electromagnetic interference suppression in power converters
CN113708785B (zh) * 2021-09-15 2023-06-16 许昌学院 一种大数据网络传输抗干扰系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835745U (de) * 1971-08-31 1973-04-28
JPS547078Y2 (de) * 1972-12-14 1979-04-03
US3969682A (en) * 1974-10-21 1976-07-13 Oberheim Electronics Inc. Circuit for dynamic control of phase shift
JPS606134B2 (ja) * 1975-06-24 1985-02-15 松下電器産業株式会社 Ｒｃ アクテイブバンドリ ジエクトフイルタ
DE2608431C3 (de) * 1976-03-01 1978-08-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Aus zwei Allpaflgliedern erster Ordnung gebildete spulenlose Filterschaltung
US4246542A (en) * 1979-05-08 1981-01-20 Rockland Systems Corporation Filter using a state-variable biquadratic transfer function circuit
JPS6173411A (ja) * 1984-09-19 1986-04-15 Matsushita Electric Ind Co Ltd アクテイブフイルタ回路
US4663597A (en) * 1985-12-17 1987-05-05 Thielscher Electronic Gmbh RC coupling filter, especially an input filter, for receivers of centralized ripple control systems
JPH0265309A (ja) * 1988-08-31 1990-03-06 Nec Corp バンド・パス・フィルター
JPH0377360A (ja) * 1989-08-18 1991-04-02 Mitsubishi Electric Corp 半導体装置
US5235223A (en) * 1991-08-29 1993-08-10 Harman International Industries, Inc. Constant Q peaking filter utilizing synthetic inductor and simulated capacitor
JP2712923B2 (ja) * 1991-09-10 1998-02-16 富士通株式会社 Ｓａｔ移相回路

Also Published As

Publication number Publication date
KR100396629B1 (ko) 2003-12-01
EP0803981A1 (de) 1997-10-29
AU4399996A (en) 1996-07-31
CN1075289C (zh) 2001-11-21
HK1008275A1 (en) 1999-05-07
EP0803981B1 (de) 2002-04-10
US6081157A (en) 2000-06-27
EP0803981A4 (de) 1998-04-01
CN1172559A (zh) 1998-02-04
WO1996021970A1 (fr) 1996-07-18

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Legal Events

Date Code Title Description
8332 No legal effect for de