DE602004009781D1 - Verfahren zur regelung eines verstärkers mit variabler verstärkung und elektronische schaltung - Google Patents

Verfahren zur regelung eines verstärkers mit variabler verstärkung und elektronische schaltung

Info

Publication number
DE602004009781D1
DE602004009781D1 DE602004009781T DE602004009781T DE602004009781D1 DE 602004009781 D1 DE602004009781 D1 DE 602004009781D1 DE 602004009781 T DE602004009781 T DE 602004009781T DE 602004009781 T DE602004009781 T DE 602004009781T DE 602004009781 D1 DE602004009781 D1 DE 602004009781D1
Authority
DE
Germany
Prior art keywords
amplifier
controlling
semiconductor switch
electronic circuit
variable amplification
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
DE602004009781T
Other languages
English (en)
Other versions
DE602004009781T2 (de
Inventor
Johannes H Brekelmans
Marc G Notten
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.)
NXP BV
Original Assignee
NXP BV
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 NXP BV filed Critical NXP BV
Publication of DE602004009781D1 publication Critical patent/DE602004009781D1/de
Application granted granted Critical
Publication of DE602004009781T2 publication Critical patent/DE602004009781T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Amplifiers (AREA)
DE602004009781T 2003-04-16 2004-04-08 Verfahren zur regelung eines verstärkers mit variabler verstärkung und elektronische schaltung Expired - Lifetime DE602004009781T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03101041 2003-04-16
EP03101041 2003-04-16
PCT/IB2004/050415 WO2004093312A1 (en) 2003-04-16 2004-04-08 A method of controlling a variable gain amplifier and electronic circuit

Publications (2)

Publication Number Publication Date
DE602004009781D1 true DE602004009781D1 (de) 2007-12-13
DE602004009781T2 DE602004009781T2 (de) 2008-08-28

Family

ID=33185940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004009781T Expired - Lifetime DE602004009781T2 (de) 2003-04-16 2004-04-08 Verfahren zur regelung eines verstärkers mit variabler verstärkung und elektronische schaltung

Country Status (7)

Country Link
US (1) US7248107B2 (de)
EP (1) EP1618654B1 (de)
JP (1) JP2006523997A (de)
CN (1) CN100557961C (de)
AT (1) ATE377290T1 (de)
DE (1) DE602004009781T2 (de)
WO (1) WO2004093312A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3108712U (ja) * 2004-11-11 2005-04-28 アルプス電気株式会社 可変利得増幅回路
US8184206B2 (en) 2006-11-07 2012-05-22 Csr Technology Inc. Pseudo digital gain control for broadband tuner
JP2011091572A (ja) * 2009-10-21 2011-05-06 Sanyo Electric Co Ltd 可変利得増幅回路
KR101174634B1 (ko) 2010-07-26 2012-08-20 삼성전자주식회사 등비적으로 저항값이 변하는 가변 저항 및 이를 이용한 가변이득 증폭기와 가변 차단주파수 필터
CN106411277A (zh) 2010-10-21 2017-02-15 爱特梅尔公司 用于可编程增益放大器的开关和可编程增益放大器
WO2012139665A1 (en) * 2011-04-15 2012-10-18 Nxp B.V. Variable gain amplifier
US9716479B2 (en) 2013-02-08 2017-07-25 Analog Devices, Inc. Variable gain amplifier
DE102013111517A1 (de) * 2013-10-18 2015-04-23 Hella Kgaa Hueck & Co. Radargerät und Verfahren zum Betreiben eines Radargerätes
US20170063306A1 (en) * 2015-08-27 2017-03-02 Qualcomm Incorporated Gate induced drain leakage reduction

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA805415B (en) * 1979-09-14 1981-08-26 Plessey Overseas Digitally controlled wide range automatic gain control
US4675905A (en) * 1985-04-12 1987-06-23 Ampex Corporation Multiple input silent audio switch
US4888810A (en) * 1987-08-05 1989-12-19 Argosy Electronics Analog volume control circuit
US4855685A (en) * 1987-09-30 1989-08-08 Texas Instruments Incorporated Precision switchable gain circuit
US5175508A (en) * 1991-12-05 1992-12-29 Ford Motor Company Voltage-controlled amplifier using operational amplifier
US5412346A (en) * 1993-12-13 1995-05-02 At&T Corp. Variable gain voltage signal amplifier
JPH09289426A (ja) * 1996-04-24 1997-11-04 Sony Corp 自動利得制御方法及び自動利得制御装置
US5877612A (en) * 1997-03-24 1999-03-02 The United States Of America As Represented By The Secretary Of The Navy Amplification of signals from high impedance sources
US6931124B1 (en) * 2000-01-13 2005-08-16 Acoustic Technology, Inc. Soft mute circuit

Also Published As

Publication number Publication date
US7248107B2 (en) 2007-07-24
EP1618654B1 (de) 2007-10-31
WO2004093312A1 (en) 2004-10-28
US20060208801A1 (en) 2006-09-21
DE602004009781T2 (de) 2008-08-28
ATE377290T1 (de) 2007-11-15
JP2006523997A (ja) 2006-10-19
EP1618654A1 (de) 2006-01-25
CN100557961C (zh) 2009-11-04
CN1774859A (zh) 2006-05-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition