FR2763442B1 - Circuit numerique de commande automatique de gain - Google Patents

Circuit numerique de commande automatique de gain

Info

Publication number
FR2763442B1
FR2763442B1 FR9800411A FR9800411A FR2763442B1 FR 2763442 B1 FR2763442 B1 FR 2763442B1 FR 9800411 A FR9800411 A FR 9800411A FR 9800411 A FR9800411 A FR 9800411A FR 2763442 B1 FR2763442 B1 FR 2763442B1
Authority
FR
France
Prior art keywords
gain control
automatic gain
digital circuit
control digital
automatic
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
FR9800411A
Other languages
English (en)
Other versions
FR2763442A1 (fr
Inventor
Yuji Segawa
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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2763442A1 publication Critical patent/FR2763442A1/fr
Application granted granted Critical
Publication of FR2763442B1 publication Critical patent/FR2763442B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L5/00—Automatic control of voltage, current, or power
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
    • H03K5/1565—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern the output pulses having a constant duty cycle
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Control Of Amplification And Gain Control (AREA)
FR9800411A 1997-05-19 1998-01-16 Circuit numerique de commande automatique de gain Expired - Fee Related FR2763442B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9128707A JPH10322152A (ja) 1997-05-19 1997-05-19 デジタルａｇｃ回路

Publications (2)

Publication Number Publication Date
FR2763442A1 FR2763442A1 (fr) 1998-11-20
FR2763442B1 true FR2763442B1 (fr) 2002-02-01

Family

ID=14991448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9800411A Expired - Fee Related FR2763442B1 (fr) 1997-05-19 1998-01-16 Circuit numerique de commande automatique de gain

Country Status (4)

Country Link
US (1) US5955925A (fr)
JP (1) JPH10322152A (fr)
KR (1) KR100258644B1 (fr)
FR (1) FR2763442B1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001016116A (ja) * 1999-07-02 2001-01-19 Nec Corp 携帯無線機
US20030043025A1 (en) * 2000-03-28 2003-03-06 Katsuhiko Inoue Apparatus for totaling/analyzing replies using infrared optical communication, and signal amplifier suitable for that apparatus
US6507242B1 (en) 2000-09-27 2003-01-14 Cypress Semiconductor Corporation Gain switching scheme for amplifiers with digital automatic gain control
US6583671B2 (en) * 2000-12-01 2003-06-24 Sony Corporation Stable AGC transimpedance amplifier with expanded dynamic range
KR100388967B1 (ko) * 2001-04-30 2003-06-25 엘지전자 주식회사 아날로그 디지털 컨버터를 이용한 에이지씨 게인 컨트롤구현 장치 및 방법
US7277510B1 (en) 2001-05-16 2007-10-02 Maxim Integrated Products, Inc. Adaptation algorithm based on signal statistics for automatic gain control
DE10350628B4 (de) * 2003-10-29 2017-12-14 Texas Instruments Deutschland Gmbh Integrierte Signalverlust-Erkennung mit großem Schwellwertbereich und präziser Hysterese
US20070134643A1 (en) * 2003-11-05 2007-06-14 Kabushiki Kaisha Media Technical Answer totalizer/anayzer
US7019574B2 (en) * 2004-01-29 2006-03-28 Schroedinger Karl Circuit and method for correction of the duty cycle value of a digital data signal
JP2006086891A (ja) * 2004-09-16 2006-03-30 Mitsumi Electric Co Ltd 増幅回路及び利得制御方法
JP2007243586A (ja) * 2006-03-08 2007-09-20 Oki Electric Ind Co Ltd クロック補正回路、移動体端末、基地局装置及びクロック補正方法
US8692809B2 (en) * 2006-07-06 2014-04-08 Elo Touch Solutions, Inc. Auto-gain switching module for acoustic touch systems
US7605659B2 (en) * 2006-09-07 2009-10-20 National Semiconductor Corporation Gain adjustment for programmable gain amplifiers
EA014210B1 (ru) * 2006-10-25 2010-10-29 Сенситив Обджект Устройство автоматической регулировки усиления, система, включающая в себя такое устройство, и способ автоматической регулировки усиления
GB0702593D0 (en) * 2007-02-09 2007-03-21 Texas Instruments Ltd A Multi-rate tracking circuit
US7920026B2 (en) * 2008-04-07 2011-04-05 National Semiconductor Corporation Amplifier output stage with extended operating range and reduced quiescent current
US7995980B2 (en) * 2009-04-08 2011-08-09 Himax Media Solutions, Inc. Automatic gain control apparatus and method
TW201218621A (en) * 2010-10-29 2012-05-01 Anpec Electronics Corp Device and method for signal amplification
US8471644B2 (en) 2011-01-19 2013-06-25 Avago Technologies General Ip (Singapore) Pte. Ltd. Digital automatic gain control circuits and methods for controlling the amplitude of a time-varying signal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166014B (en) * 1984-10-24 1988-10-26 Gen Electric Co Plc Automatic gain control
JPH069357B2 (ja) * 1985-05-17 1994-02-02 沖電気工業株式会社 自動利得制御増幅器
JPH01185008A (ja) * 1988-01-19 1989-07-24 Nec Corp 利得可変増幅器
US5036527A (en) * 1990-02-05 1991-07-30 Hayes Microcomputer Products, Inc. Iterative automatic gain control for an analog front end of a modem
DE59006315D1 (de) * 1990-03-23 1994-08-04 Itt Ind Gmbh Deutsche Schaltung zur automatischen Verstärkungsregelung in MOS-Technik.

Also Published As

Publication number Publication date
FR2763442A1 (fr) 1998-11-20
KR19980086470A (ko) 1998-12-05
JPH10322152A (ja) 1998-12-04
KR100258644B1 (ko) 2000-06-15
US5955925A (en) 1999-09-21

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060929