ATE381808T1 - Störfreie einschaltung - Google Patents

Störfreie einschaltung

Info

Publication number
ATE381808T1
ATE381808T1 AT01938155T AT01938155T ATE381808T1 AT E381808 T1 ATE381808 T1 AT E381808T1 AT 01938155 T AT01938155 T AT 01938155T AT 01938155 T AT01938155 T AT 01938155T AT E381808 T1 ATE381808 T1 AT E381808T1
Authority
AT
Austria
Prior art keywords
error
free switch
silent
amplifier
noise
Prior art date
Application number
AT01938155T
Other languages
English (en)
Inventor
Marco Berkhout
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
Application granted granted Critical
Publication of ATE381808T1 publication Critical patent/ATE381808T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/78—A comparator being used in a controlling circuit of an amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45138—Two or more differential amplifiers in IC-block form are combined, e.g. measuring amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transplanting Machines (AREA)
  • Seal Device For Vehicle (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
AT01938155T 2000-05-25 2001-05-03 Störfreie einschaltung ATE381808T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00201827 2000-05-25

Publications (1)

Publication Number Publication Date
ATE381808T1 true ATE381808T1 (de) 2008-01-15

Family

ID=8171535

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01938155T ATE381808T1 (de) 2000-05-25 2001-05-03 Störfreie einschaltung

Country Status (8)

Country Link
US (1) US6384678B2 (de)
EP (1) EP1293037B1 (de)
JP (1) JP2003534692A (de)
KR (1) KR100809242B1 (de)
AT (1) ATE381808T1 (de)
DE (1) DE60131972T2 (de)
ES (1) ES2296756T3 (de)
WO (1) WO2001091285A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6998911B2 (en) * 2003-12-18 2006-02-14 International Rectifier Corporation Gate control circuit with soft start/stop function
US7135922B2 (en) * 2004-01-07 2006-11-14 Altec Lansing Technologies, Inc. Power supply rejection for pulse width modulated amplifiers and automatic gain control
US20060140644A1 (en) * 2004-12-23 2006-06-29 Paolella Arthur C High performance, high efficiency fiber optic link for analog and RF systems
GB2440188B (en) * 2006-07-14 2011-06-08 Wolfson Ltd Amplifier Circuits, Methods of Starting and Stopping Amplifier Circuits
KR20090045337A (ko) * 2006-08-15 2009-05-07 엔엑스피 비 브이 전자 장치 및 이의 설계 방법, 클래스 ｄ 시스템 동작 방법
US7872522B2 (en) 2006-11-15 2011-01-18 Analog Devices, Inc. Noise reduction system and method for audio switching amplifier
CN101663813B (zh) * 2007-03-14 2012-09-26 Nxp股份有限公司 用于限幅校正的数据处理系统
US7554391B1 (en) 2008-01-11 2009-06-30 Freescale Semiconductor, Inc. Amplifier having a virtual ground and method thereof
DK2252380T3 (da) * 2008-02-14 2013-01-28 Mk Partner Holding Aps Skateboard
CN102545800B (zh) * 2010-12-29 2015-09-23 意法半导体研发(深圳)有限公司 放大信号的电路及其方法
US9673762B2 (en) * 2014-10-24 2017-06-06 Cirrus Logic, Inc. Amplifier with adjustable ramp up/down gain for minimizing or eliminating pop noise

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57170606A (en) * 1981-04-10 1982-10-20 Sony Corp Amplifying circuit for pulse-width-modulated signal
US5160896A (en) * 1992-02-18 1992-11-03 Harman International Industries, Incorporated Class D amplifier
US5596648A (en) * 1994-04-07 1997-01-21 Fast; Lawrence R. Infrared audio transmitter system
US5805020A (en) 1996-06-27 1998-09-08 Harris Corporation Silent start class D amplifier
CN1258393A (zh) * 1998-01-22 2000-06-28 皇家菲利浦电子有限公司 Pwm放大器

Also Published As

Publication number Publication date
EP1293037B1 (de) 2007-12-19
DE60131972T2 (de) 2008-12-04
KR100809242B1 (ko) 2008-02-29
WO2001091285A1 (en) 2001-11-29
ES2296756T3 (es) 2008-05-01
US6384678B2 (en) 2002-05-07
DE60131972D1 (de) 2008-01-31
JP2003534692A (ja) 2003-11-18
KR20020056876A (ko) 2002-07-10
US20020014916A1 (en) 2002-02-07
EP1293037A1 (de) 2003-03-19

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties