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DE69131531D1 - Integrierschaltung - Google Patents

Integrierschaltung

Info

Publication number
DE69131531D1
DE69131531D1 DE69131531T DE69131531T DE69131531D1 DE 69131531 D1 DE69131531 D1 DE 69131531D1 DE 69131531 T DE69131531 T DE 69131531T DE 69131531 T DE69131531 T DE 69131531T DE 69131531 D1 DE69131531 D1 DE 69131531D1
Authority
DE
Germany
Prior art keywords
integrating circuit
integrating
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
DE69131531T
Other languages
English (en)
Other versions
DE69131531T2 (de
Inventor
Mikio Koyama
Hiroshi Tanimoto
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69131531D1 publication Critical patent/DE69131531D1/de
Publication of DE69131531T2 publication Critical patent/DE69131531T2/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
    • H03H11/00—Networks using active elements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
    • G06G7/184—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements
    • 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
    • H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
    • H03H11/0433—Two integrator loop 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
    • H03H11/04—Frequency selective two-port networks
    • H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
    • H03H11/0444—Simulation of ladder networks
    • H03H11/045—Leapfrog structures

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Networks Using Active Elements (AREA)
DE69131531T 1990-06-15 1991-06-14 Integrierschaltung Expired - Fee Related DE69131531T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15551490 1990-06-15
JP3061664A JPH04211508A (ja) 1990-06-15 1991-03-26 積分回路

Publications (2)

Publication Number Publication Date
DE69131531D1 true DE69131531D1 (de) 1999-09-23
DE69131531T2 DE69131531T2 (de) 2000-03-23

Family

ID=26402728

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69131531T Expired - Fee Related DE69131531T2 (de) 1990-06-15 1991-06-14 Integrierschaltung

Country Status (5)

Country Link
US (1) US5227681A (de)
EP (1) EP0461922B1 (de)
JP (1) JPH04211508A (de)
KR (1) KR960015677B1 (de)
DE (1) DE69131531T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6737944B2 (en) 2000-09-04 2004-05-18 Renesas Technology Corp. Active inductor

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3470818B2 (ja) * 1992-04-30 2003-11-25 アジレント・テクノロジーズ・インク プログラム可能な充電電流と極性を有する単位利得正帰還積分器
EP0579876B1 (de) * 1992-07-24 1998-09-02 Alcatel Frequenzabstimmungssystem für ein Paar C-Transkonduktanzoperationsverstärker
US5600280A (en) * 1993-12-17 1997-02-04 Cirrus Logic, Inc. Differential amplifier and variable delay stage for use in a voltage controlled oscillator
US5489872A (en) * 1994-01-25 1996-02-06 Texas Instruments Incorporated Transconductance-capacitor filter circuit with current sensor circuit
US5424662A (en) * 1994-05-31 1995-06-13 International Business Machines Corporation Differential current mode driver circuit with low common-mode noise
US5684419A (en) * 1994-12-01 1997-11-04 Analog Devices, Inc. n-bit analog-to-digital converter with n-1 magnitude amplifiers and n comparators
ES2162891T3 (es) * 1995-02-10 2002-01-16 Cit Alcatel Integrador gm-c sintonizable lineal.
US5612648A (en) * 1995-03-14 1997-03-18 Standard Microsystems Corporation Transconductance-capacitance filter with extended control range
US5570049A (en) * 1995-05-30 1996-10-29 Exar Corporation Transconductor element for high speed GM-C integrated filters
GB2319412A (en) * 1996-11-12 1998-05-20 Lsi Logic Corp Differential output circuit
JP3097598B2 (ja) * 1997-04-25 2000-10-10 日本電気株式会社 差動増幅回路
US6266522B1 (en) * 1998-02-04 2001-07-24 Ericsson Inc. Apparatus and methods for tuning bandpass filters
US6016077A (en) * 1998-04-07 2000-01-18 Texas Instruments Incorporated System for user programmable bandwidth of amplifier circuitry
US6104236A (en) * 1998-04-17 2000-08-15 Advanced Micro Devices, Inc. Apparatus and method for equalizing received network signals using a transconductance controlled biquadratic equalizer
US6307427B1 (en) 1998-08-06 2001-10-23 Fujitsu Limited Filter characteristic regulating apparatus and regulating method therefor
FR2817090A1 (fr) * 2000-11-21 2002-05-24 Koninkl Philips Electronics Nv Dispositif de modulation de la largeur d'impulsion de signaux tres hautes frequences
JP4682419B2 (ja) * 2000-12-22 2011-05-11 日本テキサス・インスツルメンツ株式会社 可変利得増幅回路
JP4515720B2 (ja) * 2002-06-25 2010-08-04 パナソニック株式会社 オフセット制御回路及び信号処理装置
US6850106B1 (en) * 2003-07-08 2005-02-01 Mohan Krishna Kunanayagam Voltage controlled oscillator delay cell
US7084704B2 (en) * 2003-07-31 2006-08-01 Skyworks Solutions, Inc. Variable gain amplifier system
US6943608B2 (en) * 2003-12-01 2005-09-13 International Business Machines Corporation Wide frequency range voltage-controlled oscillators (VCO)
JP4397255B2 (ja) * 2004-03-08 2010-01-13 Ｏｋｉセミコンダクタ株式会社 振幅制限回路
US7253707B2 (en) * 2005-02-02 2007-08-07 Samsung Electronics Co., Ltd. Tunable active inductor
EP1689082B1 (de) * 2005-02-02 2008-07-23 Stmicroelectronics SA Ein rauscharmes Tiefpassfilter
KR100654459B1 (ko) * 2005-06-30 2006-12-06 삼성전자주식회사 광대역 저잡음 증폭기 및 상기 증폭기를 이용한 ｒｆ 신호증폭 방법
TW200906055A (en) * 2007-07-27 2009-02-01 Rafael Microelectronics Inc Low noise amplify
KR101742343B1 (ko) * 2009-11-30 2017-05-31 에스티마이크로일렉트로닉스 에스.알.엘. 트랜스컨덕턴스 증폭기의 선형 이득 변화를 획득하기 위한 구동 방법 및 대응하는 구동 회로
US8493149B2 (en) * 2011-08-25 2013-07-23 Fujitsu Limited Amplifier circuit with variable tuning precision
JP6503663B2 (ja) 2014-09-10 2019-04-24 住友電気工業株式会社 差動増幅回路
JP7081783B2 (ja) * 2017-10-06 2022-06-07 ザインエレクトロニクス株式会社 増幅回路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58161413A (ja) * 1982-03-18 1983-09-26 Sony Corp 多目的フイルタ
JPS63178611A (ja) * 1987-01-20 1988-07-22 Toshiba Corp 利得制御回路
JP2766264B2 (ja) * 1987-10-12 1998-06-18 株式会社東芝 差動増幅回路
JPH02142214A (ja) * 1988-11-24 1990-05-31 Nippon Motoroola Kk オフセット電圧を補償したラッチングコンパレータ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6737944B2 (en) 2000-09-04 2004-05-18 Renesas Technology Corp. Active inductor

Also Published As

Publication number Publication date
JPH04211508A (ja) 1992-08-03
EP0461922A2 (de) 1991-12-18
EP0461922A3 (en) 1992-05-20
KR960015677B1 (ko) 1996-11-20
KR920001828A (ko) 1992-01-30
US5227681A (en) 1993-07-13
DE69131531T2 (de) 2000-03-23
EP0461922B1 (de) 1999-08-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee