JPS6252963B2 - - Google Patents

Info

Publication number
JPS6252963B2
JPS6252963B2 JP55039023A JP3902380A JPS6252963B2 JP S6252963 B2 JPS6252963 B2 JP S6252963B2 JP 55039023 A JP55039023 A JP 55039023A JP 3902380 A JP3902380 A JP 3902380A JP S6252963 B2 JPS6252963 B2 JP S6252963B2
Authority
JP
Japan
Prior art keywords
pulse width
signal
comparator
channel
oscillator
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
Application number
JP55039023A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56136008A (en
Inventor
Yoshiro Kunugi
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP3902380A priority Critical patent/JPS56136008A/ja
Priority to US06/247,036 priority patent/US4415862A/en
Priority to GB8109299A priority patent/GB2073526B/en
Priority to DE3112035A priority patent/DE3112035C2/de
Publication of JPS56136008A publication Critical patent/JPS56136008A/ja
Priority to GB08331144A priority patent/GB2134735B/en
Publication of JPS6252963B2 publication Critical patent/JPS6252963B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • 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
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
JP3902380A 1980-03-28 1980-03-28 Pulse-width modulating and amplifying circuit Granted JPS56136008A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP3902380A JPS56136008A (en) 1980-03-28 1980-03-28 Pulse-width modulating and amplifying circuit
US06/247,036 US4415862A (en) 1980-03-28 1981-03-24 Pulse width modulation amplifier
GB8109299A GB2073526B (en) 1980-03-28 1981-03-25 Pulse width modulation amplifier
DE3112035A DE3112035C2 (de) 1980-03-28 1981-03-26 Pulsweitenmodulierter Verstärker
GB08331144A GB2134735B (en) 1980-03-28 1983-11-22 Multi-channel pulse width modulation amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3902380A JPS56136008A (en) 1980-03-28 1980-03-28 Pulse-width modulating and amplifying circuit

Publications (2)

Publication Number Publication Date
JPS56136008A JPS56136008A (en) 1981-10-23
JPS6252963B2 true JPS6252963B2 (en]) 1987-11-09

Family

ID=12541504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3902380A Granted JPS56136008A (en) 1980-03-28 1980-03-28 Pulse-width modulating and amplifying circuit

Country Status (4)

Country Link
US (1) US4415862A (en])
JP (1) JPS56136008A (en])
DE (1) DE3112035C2 (en])
GB (2) GB2073526B (en])

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773096A (en) * 1987-07-20 1988-09-20 Kirn Larry J Digital switching power amplifier
JPH0728181B2 (ja) * 1988-12-28 1995-03-29 パイオニア株式会社 パルス幅変調増幅回路
JPH0785524B2 (ja) * 1988-12-28 1995-09-13 パイオニア株式会社 パルス幅変調増幅回路
US5329245A (en) * 1993-06-28 1994-07-12 The United States Of America As Represented By The Secretary Of The Navy Hybrid high power amplifier
WO1999003196A1 (en) * 1997-07-11 1999-01-21 Koninklijke Philips Electronics N.V. Device for amplifying signals
US5982231A (en) * 1997-07-23 1999-11-09 Linfinity Microelectronics, Inc. Multiple channel class D audio amplifier
US6078214A (en) * 1999-03-22 2000-06-20 Texas Instruments Incorporated High efficiency class DB power amplifier
DE19929841C2 (de) * 1999-06-29 2001-07-12 Jan Quellmann Getakteter Verstärker, insbesondere zur Verstärkung von Audiosignalen
JP2003060443A (ja) * 2001-08-21 2003-02-28 Sony Corp スイッチング増幅装置
JP4097426B2 (ja) * 2001-12-07 2008-06-11 日本ビクター株式会社 位相変換サラウンド回路
EP1498008A1 (en) * 2002-04-25 2005-01-19 Nokia Corporation Method and device for reducing high frequency error components of a multi-channel modulator
US6608521B1 (en) * 2002-05-14 2003-08-19 Texas Instruments Incorporated Pulse width modulation regulator control circuit having precise frequency and amplitude control
US6891432B2 (en) * 2002-11-14 2005-05-10 Mia-Com, Inc. Apparatus, methods and articles of manufacture for electromagnetic processing
US7526260B2 (en) * 2002-11-14 2009-04-28 M/A-Com Eurotec, B.V. Apparatus, methods and articles of manufacture for linear signal modification
US7061312B2 (en) * 2003-03-21 2006-06-13 D2Audio Corporation Systems and methods for providing multi channel pulse width modulated audio with staggered outputs
EP1623501B1 (en) * 2003-05-12 2007-03-07 D2Audio Corporation Systems and methods for providing multi channel pulse width modulated audio with staggered outputs
JP2005117618A (ja) * 2003-09-19 2005-04-28 Sharp Corp 集積回路及び光ピックアップ装置
US7190224B2 (en) * 2003-11-06 2007-03-13 Marvell World Trade Ltd. Class D amplifier
US7298209B1 (en) 2003-11-06 2007-11-20 Marvell World Trade Ltd. Class D amplifier
JP2005142780A (ja) * 2003-11-06 2005-06-02 Sony Corp 電力増幅回路
JP2005142983A (ja) * 2003-11-10 2005-06-02 Sony Corp 電力増幅回路
DE102004037856B4 (de) * 2004-08-04 2006-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sprachkonferenzvorrichtung, Sprachkonferenzsystem und Verfahren zur Realisierung einer Sprachkonferenz
DE102006011448B4 (de) 2006-03-13 2013-08-01 Austriamicrosystems Ag Schaltungsanordnung und Verfahren zum Bereitstellen eines Taktsignals mit einem einstellbaren Tastverhältnis
CN101515788B (zh) * 2009-03-26 2011-04-20 浙江大华技术股份有限公司 车载功放电路
KR101683174B1 (ko) * 2010-01-08 2016-12-06 삼성전자주식회사 오디오 신호 증폭 방법 및 그 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3336538A (en) * 1964-08-13 1967-08-15 Norman H Crowhurst Two-state power amplifier with transitional feedback
GB1596378A (en) * 1977-01-07 1981-08-26 Communications Patents Ltd Amplifier systems
US4164714A (en) * 1977-09-26 1979-08-14 Harris Corporation Polyphase PDM amplifier
JPS5686515A (en) * 1979-12-17 1981-07-14 Matsushita Electric Ind Co Ltd Power amplifier

Also Published As

Publication number Publication date
GB2134735A (en) 1984-08-15
GB2073526A (en) 1981-10-14
US4415862A (en) 1983-11-15
GB2134735B (en) 1985-03-06
GB2073526B (en) 1984-08-22
GB8331144D0 (en) 1983-12-29
JPS56136008A (en) 1981-10-23
DE3112035C2 (de) 1983-07-21
DE3112035A1 (de) 1982-02-18

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