DE602007004292D1 - Impulsbreitenmodulationsschaltung und Schaltverstärker damit - Google Patents

Impulsbreitenmodulationsschaltung und Schaltverstärker damit

Info

Publication number
DE602007004292D1
DE602007004292D1 DE602007004292T DE602007004292T DE602007004292D1 DE 602007004292 D1 DE602007004292 D1 DE 602007004292D1 DE 602007004292 T DE602007004292 T DE 602007004292T DE 602007004292 T DE602007004292 T DE 602007004292T DE 602007004292 D1 DE602007004292 D1 DE 602007004292D1
Authority
DE
Germany
Prior art keywords
integration circuit
voltage
period
reference voltage
voltage vth
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.)
Active
Application number
DE602007004292T
Other languages
English (en)
Inventor
Yoshinori Nakanishi
Mamoru Sekiya
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.)
Onkyo Corp
Original Assignee
Onkyo 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 Onkyo Corp filed Critical Onkyo Corp
Publication of DE602007004292D1 publication Critical patent/DE602007004292D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE602007004292T 2007-01-22 2007-11-16 Impulsbreitenmodulationsschaltung und Schaltverstärker damit Active DE602007004292D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007011251 2007-01-22
JP2007219425A JP4100455B1 (ja) 2007-01-22 2007-08-27 パルス幅変調回路及びそれを用いたスイッチングアンプ

Publications (1)

Publication Number Publication Date
DE602007004292D1 true DE602007004292D1 (de) 2010-03-04

Family

ID=39333100

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007004292T Active DE602007004292D1 (de) 2007-01-22 2007-11-16 Impulsbreitenmodulationsschaltung und Schaltverstärker damit

Country Status (5)

Country Link
US (1) US7456668B2 (de)
EP (1) EP1947767B1 (de)
JP (1) JP4100455B1 (de)
AT (1) ATE455394T1 (de)
DE (1) DE602007004292D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4366540B2 (ja) 2007-09-10 2009-11-18 オンキヨー株式会社 パルス幅変調回路及びそれを用いたスイッチングアンプ
JP4407743B2 (ja) 2007-12-03 2010-02-03 オンキヨー株式会社 パルス幅変調回路及びそれを用いたスイッチングアンプ
JP5574570B2 (ja) * 2008-02-12 2014-08-20 ピーエスフォー ルクスコ エスエイアールエル 伝送制御回路及びそれを備えた半導体記憶装置
JP5381442B2 (ja) * 2009-01-29 2014-01-08 オンキヨー株式会社 パルス幅変調回路及びそれを用いたスイッチングアンプ
JP5234032B2 (ja) * 2009-04-24 2013-07-10 オンキヨー株式会社 パルス幅変調回路及びそれを用いたスイッチングアンプ
US8391512B2 (en) 2009-09-25 2013-03-05 Onkyo Corporation Broadcast wave receiving system
US12017322B2 (en) * 2018-08-14 2024-06-25 Taiwan Semiconductor Manufacturing Co., Ltd. Chemical mechanical polishing method
JP7498942B2 (ja) 2020-06-02 2024-06-13 三笠産業株式会社 ヒンジキャップおよびヒンジキャップを備えた容器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827261A (en) * 1987-11-04 1989-05-02 Trofimenkoff Frederick N Clock-controlled pulse width modulator
JPH05275995A (ja) 1992-03-27 1993-10-22 Yokogawa Electric Corp 帰還形パルス幅変調回路
US5295158A (en) 1992-05-29 1994-03-15 Analog Devices, Inc. Dynamically selectable multimode pluse width modulation system
US6420930B1 (en) * 2000-07-12 2002-07-16 Monolithic Power Systems, Inc. Class D audio amplifier
KR100496883B1 (ko) * 2003-02-04 2005-06-23 삼성전자주식회사 전류 제어 피더블유엠 회로 및 이를 포함하는 클래스 디이앰프
JP4211465B2 (ja) 2003-04-11 2009-01-21 オンキヨー株式会社 パルス幅変調回路
JP4731828B2 (ja) * 2004-04-14 2011-07-27 ルネサスエレクトロニクス株式会社 Ｄ級アンプ

Also Published As

Publication number Publication date
US20080174351A1 (en) 2008-07-24
EP1947767B1 (de) 2010-01-13
US7456668B2 (en) 2008-11-25
EP1947767A2 (de) 2008-07-23
JP2008206128A (ja) 2008-09-04
ATE455394T1 (de) 2010-01-15
EP1947767A3 (de) 2008-08-06
JP4100455B1 (ja) 2008-06-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ONKYO CORP., NEYAGAWA-SHI, OSAKA, JP

8328 Change in the person/name/address of the agent

Representative=s name: PATENTSHIP PATENTANWALTSKANZLEI GBR, 81477 MUENCHE

R082 Change of representative

Ref document number: 1947767

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