DE69727771D1 - Brückenverstärker mit um die last gelegter rückkopplung - Google Patents

Brückenverstärker mit um die last gelegter rückkopplung

Info

Publication number
DE69727771D1
DE69727771D1 DE69727771T DE69727771T DE69727771D1 DE 69727771 D1 DE69727771 D1 DE 69727771D1 DE 69727771 T DE69727771 T DE 69727771T DE 69727771 T DE69727771 T DE 69727771T DE 69727771 D1 DE69727771 D1 DE 69727771D1
Authority
DE
Germany
Prior art keywords
feedback
bridge amplifier
bridge
amplifier
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
DE69727771T
Other languages
English (en)
Other versions
DE69727771T2 (de
Inventor
Paulus Huijser
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.)
NXP BV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69727771D1 publication Critical patent/DE69727771D1/de
Publication of DE69727771T2 publication Critical patent/DE69727771T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3081—Duplicated single-ended push-pull arrangements, i.e. bridge circuits
    • 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
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
    • H03F3/45968—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/375—Circuitry to compensate the offset being present in 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
    • 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
    • H03F2203/45166—Only one input of the dif amp being used for an input signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE1997627771 1996-06-21 1997-05-29 Brückenverstärker mit um die last gelegter rückkopplung Expired - Fee Related DE69727771T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP96201726 1996-06-21
EP96201726 1996-06-21
PCT/IB1997/000613 WO1997049176A1 (en) 1996-06-21 1997-05-29 Bridge amplifier with feedback over the load

Publications (2)

Publication Number Publication Date
DE69727771D1 true DE69727771D1 (de) 2004-04-01
DE69727771T2 DE69727771T2 (de) 2005-01-13

Family

ID=8224099

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997627771 Expired - Fee Related DE69727771T2 (de) 1996-06-21 1997-05-29 Brückenverstärker mit um die last gelegter rückkopplung

Country Status (5)

Country Link
US (1) US5903189A (de)
EP (1) EP0846367B1 (de)
JP (1) JP4027981B2 (de)
DE (1) DE69727771T2 (de)
WO (1) WO1997049176A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1305650B1 (it) * 1998-12-16 2001-05-15 St Microelectronics Srl Circuito per assicurare una completa saturazione di entrambi gliamplificatori di un amplificatore a ponte configurato ad ingresso
US6326841B1 (en) * 1999-04-16 2001-12-04 Nokia Telecommunications, Oy Method and apparatus for compensating for loss or RF output power from the isolation port of a hybrid coupler
ATE323967T1 (de) * 2000-02-24 2006-05-15 Koninkl Philips Electronics Nv Schaltung zur signalverarbeitung mit einer klasse a/b ausgangsstufe zum anschluss an eine quelle für eine vielzahl von verzorgungsspannungen
US6501332B1 (en) * 2000-07-13 2002-12-31 Texas Instruments Incorporated Apparatus and method for electrical signal amplification
US7167569B1 (en) 2000-10-25 2007-01-23 National Semiconductor Corporation Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with excellent click and pop performance
US6605992B2 (en) * 2001-06-05 2003-08-12 Intel Corporation Offset error in linear feedback loops corrected by loop replication
WO2003041270A1 (en) * 2001-11-07 2003-05-15 Koninklijke Philips Electronics N.V. A power amplifier module with distortion compensation
US11689166B2 (en) 2021-02-04 2023-06-27 Analog Devices International Unlimited Company Circuitry for reducing distortion over a wide frequency range

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283683A (en) * 1979-05-29 1981-08-11 Motorola Inc. Audio bridge circuit
JPS5787216A (en) * 1980-11-19 1982-05-31 Nippon Gakki Seizo Kk Amplifying circuit
JPS59174005A (ja) * 1983-03-24 1984-10-02 Nippon Gakki Seizo Kk 電力増幅器
NL8600292A (nl) * 1986-02-07 1987-09-01 Philips Nv Brugversterker.
US4721919A (en) * 1986-12-22 1988-01-26 General Motors Corporation Class G bridge amplifier with unipolar supplies
IT1215452B (it) * 1987-04-30 1990-02-14 Sgs Microelettronica Spa Amplificatore audio cosiddetto bridge perfezionato.
IT1243920B (it) * 1990-11-20 1994-06-28 Sgs Thomson Microelectronics Amplificatore audio di potenza ad alta efficienza composto da due amplificatori con unica alimentazione.
US5191297A (en) * 1991-07-25 1993-03-02 Iomega Corporation Transconductance amplifier having sensfets which drive a load with linearly proportional current

Also Published As

Publication number Publication date
EP0846367A1 (de) 1998-06-10
DE69727771T2 (de) 2005-01-13
JP4027981B2 (ja) 2007-12-26
WO1997049176A1 (en) 1997-12-24
EP0846367B1 (de) 2004-02-25
JPH11511935A (ja) 1999-10-12
US5903189A (en) 1999-05-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN

8327 Change in the person/name/address of the patent owner

Owner name: NXP B.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee