DE69526732T2 - Klasse-D Verstärker mit einem Ausgang und zwei Betriebsspannungen - Google Patents

Klasse-D Verstärker mit einem Ausgang und zwei Betriebsspannungen

Info

Publication number
DE69526732T2
DE69526732T2 DE69526732T DE69526732T DE69526732T2 DE 69526732 T2 DE69526732 T2 DE 69526732T2 DE 69526732 T DE69526732 T DE 69526732T DE 69526732 T DE69526732 T DE 69526732T DE 69526732 T2 DE69526732 T2 DE 69526732T2
Authority
DE
Germany
Prior art keywords
amplifier
class
output
operating voltages
voltages
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
DE69526732T
Other languages
English (en)
Other versions
DE69526732D1 (de
Inventor
Marco Masini
Claudio Tavazzani
Stefania Boiocchi
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.)
STMicroelectronics SRL
Original Assignee
STMicroelectronics SRL
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 STMicroelectronics SRL filed Critical STMicroelectronics SRL
Application granted granted Critical
Publication of DE69526732D1 publication Critical patent/DE69526732D1/de
Publication of DE69526732T2 publication Critical patent/DE69526732T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/282—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
    • H03K3/2821—Emitters connected to one another by using a capacitor
    • 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
DE69526732T 1995-07-13 1995-07-13 Klasse-D Verstärker mit einem Ausgang und zwei Betriebsspannungen Expired - Fee Related DE69526732T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95830301A EP0753934B1 (de) 1995-07-13 1995-07-13 Klasse-D Verstärker mit einem Ausgang und zwei Betriebsspannungen

Publications (2)

Publication Number Publication Date
DE69526732D1 DE69526732D1 (de) 2002-06-20
DE69526732T2 true DE69526732T2 (de) 2002-10-24

Family

ID=8221970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69526732T Expired - Fee Related DE69526732T2 (de) 1995-07-13 1995-07-13 Klasse-D Verstärker mit einem Ausgang und zwei Betriebsspannungen

Country Status (4)

Country Link
US (1) US5798672A (de)
EP (1) EP0753934B1 (de)
JP (1) JPH09107245A (de)
DE (1) DE69526732T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10300195A1 (de) * 2003-01-08 2004-07-22 Althoff, Jürgen, Dipl.-Ing. Class D Röhrenverstärker

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2201697A1 (en) * 1997-04-03 1998-10-03 Gennum Corporation Extended frequency range relaxation oscillator with improved linearity
DK28398A (da) 1998-03-03 1999-09-04 Toccata Technology Aps Fremgangsmåde ved kompensering af ulineariteter i en forstærker, en forstærker, samt anvendelser af fremgangsmåden og forst
JP4807021B2 (ja) * 2005-09-26 2011-11-02 オンキヨー株式会社 スイッチングアンプ
WO2008020386A1 (en) * 2006-08-16 2008-02-21 Nxp B.V. Power amplifier
US7701307B2 (en) * 2008-04-01 2010-04-20 Silicon Laboratories, Inc. System and method of changing a PWM power spectrum
US7791521B2 (en) * 2008-04-01 2010-09-07 Silicon Laboratories, Inc. System and method of changing a PWM power spectrum
US7598895B1 (en) * 2008-04-01 2009-10-06 Silicon Laboratories, Inc. System and method of altering a PWM carrier power spectrum
US8130128B2 (en) 2010-03-30 2012-03-06 Silicon Laboratores Inc. System and method for generating shaped noise
US9571038B1 (en) * 2015-08-31 2017-02-14 Nxp B.V. Driver circuit for a power stage of a class-D amplifier

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3386046A (en) * 1965-10-14 1968-05-28 Bell Telephone Labor Inc Automatic gain control circuit
JPS5754967B2 (de) * 1974-03-30 1982-11-20
US4874966A (en) * 1987-01-31 1989-10-17 U.S. Philips Corporation Multivibrator circuit having compensated delay time
US5113158A (en) * 1990-07-02 1992-05-12 Toyota Jidosha Kabushiki Kaisha Pulse width modulation circuit
JP3135253B2 (ja) * 1990-11-02 2001-02-13 キヤノン株式会社 信号処理装置
JPH04281606A (ja) * 1991-03-11 1992-10-07 Matsushita Electric Ind Co Ltd パルス幅変調増幅器
US5412349A (en) * 1992-03-31 1995-05-02 Intel Corporation PLL clock generator integrated with microprocessor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10300195A1 (de) * 2003-01-08 2004-07-22 Althoff, Jürgen, Dipl.-Ing. Class D Röhrenverstärker

Also Published As

Publication number Publication date
US5798672A (en) 1998-08-25
EP0753934B1 (de) 2002-05-15
DE69526732D1 (de) 2002-06-20
JPH09107245A (ja) 1997-04-22
EP0753934A1 (de) 1997-01-15

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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