ATE255784T1 - Pulsmodulierterkeistungsverstärker mit verbessertem kaskadiertem steuerungsverfahren - Google Patents

Pulsmodulierterkeistungsverstärker mit verbessertem kaskadiertem steuerungsverfahren

Info

Publication number
ATE255784T1
ATE255784T1 AT97910272T AT97910272T ATE255784T1 AT E255784 T1 ATE255784 T1 AT E255784T1 AT 97910272 T AT97910272 T AT 97910272T AT 97910272 T AT97910272 T AT 97910272T AT E255784 T1 ATE255784 T1 AT E255784T1
Authority
AT
Austria
Prior art keywords
control method
power amplifier
pulse modulated
modulated power
cascaded control
Prior art date
Application number
AT97910272T
Other languages
English (en)
Inventor
Nielsen Karsten
Original Assignee
Bang & Olufsen As
Nielsen Karsten
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 Bang & Olufsen As, Nielsen Karsten filed Critical Bang & Olufsen As
Application granted granted Critical
Publication of ATE255784T1 publication Critical patent/ATE255784T1/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
    • 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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/083—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT97910272T 1996-10-31 1997-10-31 Pulsmodulierterkeistungsverstärker mit verbessertem kaskadiertem steuerungsverfahren ATE255784T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK121496 1996-10-31
PCT/DK1997/000497 WO1998019391A2 (en) 1996-10-31 1997-10-31 Pulse modulation power amplifier with enhanced cascade control method

Publications (1)

Publication Number Publication Date
ATE255784T1 true ATE255784T1 (de) 2003-12-15

Family

ID=8102265

Family Applications (2)

Application Number Title Priority Date Filing Date
AT97910272T ATE255784T1 (de) 1996-10-31 1997-10-31 Pulsmodulierterkeistungsverstärker mit verbessertem kaskadiertem steuerungsverfahren
AT03013623T ATE315285T1 (de) 1996-10-31 1997-10-31 Selbst-oszillierender klasse-d verstärker mit verbesserter kaskaden-rückkopplung

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT03013623T ATE315285T1 (de) 1996-10-31 1997-10-31 Selbst-oszillierender klasse-d verstärker mit verbesserter kaskaden-rückkopplung

Country Status (13)

Country Link
US (1) US6297692B1 (de)
EP (2) EP1376858B1 (de)
JP (1) JP3346579B2 (de)
KR (1) KR100394846B1 (de)
CN (1) CN1123115C (de)
AT (2) ATE255784T1 (de)
AU (1) AU734813B2 (de)
CA (1) CA2271041C (de)
DE (2) DE69726592T2 (de)
DK (1) DK0935846T3 (de)
ES (1) ES2212082T3 (de)
PT (1) PT935846E (de)
WO (1) WO1998019391A2 (de)

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JP7547206B2 (ja) 2017-12-07 2024-09-09 ピューリファイ・アーペーエス 制御ループ中に少なくとも２次フィルタを有する増幅器
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US11128270B1 (en) * 2020-05-21 2021-09-21 Qsc, Llc Class-D amplifier with nested feedback loops
JP7647201B2 (ja) 2021-03-17 2025-03-18 ヤマハ株式会社 Ｄ級増幅器
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Also Published As

Publication number Publication date
AU734813B2 (en) 2001-06-21
EP0935846A2 (de) 1999-08-18
EP1376858B1 (de) 2006-01-04
DE69735029D1 (de) 2006-03-30
DE69726592T2 (de) 2004-11-11
PT935846E (pt) 2004-04-30
KR20000052932A (ko) 2000-08-25
EP0935846B1 (de) 2003-12-03
WO1998019391A3 (en) 1998-07-23
AU4772897A (en) 1998-05-22
JP3346579B2 (ja) 2002-11-18
CA2271041A1 (en) 1998-05-07
DK0935846T3 (da) 2004-03-22
ATE315285T1 (de) 2006-02-15
DE69735029T2 (de) 2006-09-14
ES2212082T3 (es) 2004-07-16
CA2271041C (en) 2003-03-18
CN1235711A (zh) 1999-11-17
DE69726592D1 (de) 2004-01-15
WO1998019391A2 (en) 1998-05-07
JP2001503575A (ja) 2001-03-13
EP1376858A1 (de) 2004-01-02
US6297692B1 (en) 2001-10-02
CN1123115C (zh) 2003-10-01
KR100394846B1 (ko) 2003-08-19

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