DE60115157D1 - Automatische Verstärkungsregelschleife mit kurzer Ansprechzeit für schmalbandige Systeme - Google Patents

Automatische Verstärkungsregelschleife mit kurzer Ansprechzeit für schmalbandige Systeme

Info

Publication number
DE60115157D1
DE60115157D1 DE60115157T DE60115157T DE60115157D1 DE 60115157 D1 DE60115157 D1 DE 60115157D1 DE 60115157 T DE60115157 T DE 60115157T DE 60115157 T DE60115157 T DE 60115157T DE 60115157 D1 DE60115157 D1 DE 60115157D1
Authority
DE
Germany
Prior art keywords
signal
amplifier
input
control
gain
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
DE60115157T
Other languages
English (en)
Other versions
DE60115157T2 (de
Inventor
David James Graham
Mark Rozenthal
Victor Korol
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of DE60115157D1 publication Critical patent/DE60115157D1/de
Application granted granted Critical
Publication of DE60115157T2 publication Critical patent/DE60115157T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (AREA)
DE60115157T 2000-07-12 2001-07-09 Automatische Verstärkungsschleife mit kurzer Ansprechzeit für schmalbandige Systeme Expired - Lifetime DE60115157T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US614668 1984-05-29
US61466800A 2000-07-12 2000-07-12

Publications (2)

Publication Number Publication Date
DE60115157D1 true DE60115157D1 (de) 2005-12-29
DE60115157T2 DE60115157T2 (de) 2006-08-10

Family

ID=24462237

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60115157T Expired - Lifetime DE60115157T2 (de) 2000-07-12 2001-07-09 Automatische Verstärkungsschleife mit kurzer Ansprechzeit für schmalbandige Systeme

Country Status (5)

Country Link
US (1) US20040009758A1 (de)
EP (1) EP1175005B1 (de)
AT (1) ATE311037T1 (de)
DE (1) DE60115157T2 (de)
ES (1) ES2249361T3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2380341B (en) * 2001-09-29 2003-11-12 Motorola Inc Automatic gain control circuit and an RF receiver and method using such a circuit
JP4168393B2 (ja) 2003-09-05 2008-10-22 日本電気株式会社 無線通信移動局のａｇｃ制御方法
US7929650B2 (en) * 2005-10-18 2011-04-19 Freescale Semiconductor, Inc. AGC for narrowband receivers
US7620380B2 (en) * 2006-03-24 2009-11-17 Sigmatel Inc Adjustable automatic gain control
US7689217B2 (en) * 2007-03-30 2010-03-30 Motorola, Inc. Radio receiver having a multi-state variable threshold automatic gain control (AGC) for fast channel scanning acquisition and mehtod for using same
US8795179B2 (en) * 2011-04-12 2014-08-05 Shenzhen Mindray Bio-Medical Electronics Co., Ltd. Methods, modules, and systems for gain control in B-mode ultrasonic imaging
US8494467B2 (en) * 2011-07-12 2013-07-23 Renesas Mobile Corporation Automatic gain control configuration
EP2725709B1 (de) 2012-10-26 2015-06-17 EM Microelectronic-Marin SA Elektronischer Schaltkreis für die automatische Verstärkungsregelung mit zwei Steigungen bei einem Verstärker
TWI640159B (zh) * 2014-01-15 2018-11-01 達運光電股份有限公司 RF signal automatic gain control method
KR102186391B1 (ko) * 2014-09-11 2020-12-03 삼성전자주식회사 소모 전력 최소화 방법 및 이를 구현하는 전자장치

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3620631A (en) * 1969-08-26 1971-11-16 Collins Radio Co Gain-controlled amplifier
US4024463A (en) * 1976-05-03 1977-05-17 Rockwell International Corporation A.C. amplifier automatic gain control fast attack circuit
US5029182A (en) * 1988-10-24 1991-07-02 Hughes Aircraft Company Automatic gain control (AGC) for frequency hopping receiver
US5267272A (en) * 1988-10-24 1993-11-30 Hughes Aircraft Company Receiver automatic gain control (AGC)
DE69126373T2 (de) * 1990-06-29 1998-01-15 Sanyo Electric Co Automatische Verstärkungsregelung für einen Radioempfänger
JP2966226B2 (ja) * 1993-02-17 1999-10-25 三菱電機株式会社 電力増幅器自動制御回路
US5493712A (en) * 1994-03-23 1996-02-20 At&T Corp. Fast AGC for TDMA radio systems
ZA95605B (en) * 1994-04-28 1995-12-20 Qualcomm Inc Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver
US5901347A (en) * 1996-01-17 1999-05-04 Motorola, Inc. Fast automatic gain control circuit and method for zero intermediate frequency receivers and radiotelephone using same
US5742899A (en) * 1996-10-24 1998-04-21 Motorola, Inc. Fast attack automatic gain control (AGC) loop for narrow band receivers
JP3329264B2 (ja) * 1998-04-06 2002-09-30 日本電気株式会社 Ａｇｃ回路
KR100713395B1 (ko) * 1999-10-27 2007-05-03 삼성전자주식회사 자동 이득제어 시스템의 비선형 왜곡 제거 장치 및 방법
US6324230B1 (en) * 2000-02-29 2001-11-27 Motorola, Inc. Multimode fast attack automatic gain control (AGC) loop for narrow band receivers
JP4178712B2 (ja) * 2000-04-04 2008-11-12 株式会社デンソー 利得調整装置

Also Published As

Publication number Publication date
US20040009758A1 (en) 2004-01-15
DE60115157T2 (de) 2006-08-10
EP1175005A2 (de) 2002-01-23
EP1175005A3 (de) 2003-12-10
ATE311037T1 (de) 2005-12-15
ES2249361T3 (es) 2006-04-01
EP1175005B1 (de) 2005-11-23

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