[go: up one dir, main page]

GB2424137B - Amplifier - Google Patents

Amplifier

Info

Publication number
GB2424137B
GB2424137B GB0505024A GB0505024A GB2424137B GB 2424137 B GB2424137 B GB 2424137B GB 0505024 A GB0505024 A GB 0505024A GB 0505024 A GB0505024 A GB 0505024A GB 2424137 B GB2424137 B GB 2424137B
Authority
GB
United Kingdom
Prior art keywords
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
GB0505024A
Other versions
GB0505024D0 (en
GB2424137A9 (en
GB2424137A (en
Inventor
Douglas Self
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.)
Audio Partnership PLC
Original Assignee
Audio Partnership PLC
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 Audio Partnership PLC filed Critical Audio Partnership PLC
Priority to GB0505024A priority Critical patent/GB2424137B/en
Publication of GB0505024D0 publication Critical patent/GB0505024D0/en
Publication of GB2424137A publication Critical patent/GB2424137A/en
Publication of GB2424137A9 publication Critical patent/GB2424137A9/en
Application granted granted Critical
Publication of GB2424137B publication Critical patent/GB2424137B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/307—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in push-pull 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3217—Modifications of amplifiers to reduce non-linear distortion in single ended push-pull 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3264—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits in audio amplifiers
    • 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
    • H03F3/3069—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output
    • H03F3/3076—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output with symmetrical driving of the end stage
    • 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
    • H03F2203/30—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor
    • H03F2203/30078—A resistor being added in the pull stage of the SEPP 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
    • H03F2203/30—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor
    • H03F2203/30111—A resistor being added in the push stage of the SEPP amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
GB0505024A 2005-03-11 2005-03-11 Amplifier Expired - Fee Related GB2424137B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0505024A GB2424137B (en) 2005-03-11 2005-03-11 Amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0505024A GB2424137B (en) 2005-03-11 2005-03-11 Amplifier

Publications (4)

Publication Number Publication Date
GB0505024D0 GB0505024D0 (en) 2005-04-20
GB2424137A GB2424137A (en) 2006-09-13
GB2424137A9 GB2424137A9 (en) 2006-11-09
GB2424137B true GB2424137B (en) 2007-02-14

Family

ID=34508896

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0505024A Expired - Fee Related GB2424137B (en) 2005-03-11 2005-03-11 Amplifier

Country Status (1)

Country Link
GB (1) GB2424137B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109104671A (en) * 2018-08-24 2018-12-28 林汉民 Output stage circuit of sound power amplifier

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2510393A (en) * 2013-02-01 2014-08-06 Nujira Ltd An envelope-tracking amplifier with a linear amplifier having an output offset current for improved efficiency
US10063193B2 (en) * 2016-04-13 2018-08-28 Semiconductor Ideas To The Market (Itom) B.V. Class D amplifier

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263563A (en) * 1979-07-11 1981-04-21 National Semiconductor Corporation Amplifier output stage distortion reduction
US5057790A (en) * 1990-07-16 1991-10-15 Landi Ernest D High efficiency class A amplifier
NL1000545C2 (en) * 1995-06-12 1996-12-13 Eric Van Drecht Audio amplifier with push-pull output
GB2330465A (en) * 1997-10-15 1999-04-21 John Rennie Charlesworth Amplifier with means for eliminating crossover distortion and integrator therefor
GB2374220A (en) * 2001-01-17 2002-10-09 Jeffrey Peter Macaulay Simple and efficient class A amplifier output stage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263563A (en) * 1979-07-11 1981-04-21 National Semiconductor Corporation Amplifier output stage distortion reduction
US5057790A (en) * 1990-07-16 1991-10-15 Landi Ernest D High efficiency class A amplifier
NL1000545C2 (en) * 1995-06-12 1996-12-13 Eric Van Drecht Audio amplifier with push-pull output
GB2330465A (en) * 1997-10-15 1999-04-21 John Rennie Charlesworth Amplifier with means for eliminating crossover distortion and integrator therefor
GB2374220A (en) * 2001-01-17 2002-10-09 Jeffrey Peter Macaulay Simple and efficient class A amplifier output stage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109104671A (en) * 2018-08-24 2018-12-28 林汉民 Output stage circuit of sound power amplifier
CN109104671B (en) * 2018-08-24 2020-11-20 林汉民 A kind of audio power amplifier output stage circuit

Also Published As

Publication number Publication date
GB0505024D0 (en) 2005-04-20
GB2424137A9 (en) 2006-11-09
GB2424137A (en) 2006-09-13

Similar Documents

Publication Publication Date Title
EP1912328A4 (en) Highly efficient amplifier
GB2443930B (en) Amplifier
DE502006001600D1 (en) Pyrazolylcarboxanilide
DE602006018441D1 (en) Arabinofuranosidasen
DE602006018627D1 (en) Cholesterol-absorptionsinhibitor
DE602006017073D1 (en) Aspartylproteasehemmer
DE602006016093D1 (en) Cyanoanthranilamidinsektizide
GB0604891D0 (en) Transimpedance amplifier
EP1865597A4 (en) Amplifier apparatus
DE602006014261D1 (en) Benzimidazolverbindungen
DE602006016951D1 (en) 2-cyanoacrylatzusammensetzung
DE602006003064D1 (en) Tripeptid- und tetrapeptid-thioether
EP1804551A4 (en) Speaker
TWI341644B (en) Different amplifier
DE502006002219D1 (en) Rotationspumpe
DE602006015303D1 (en) Lecknachweisflicken
GB2434932B (en) Amplifier
DE502006004337D1 (en) Strangführungsrolle
DE502006007734D1 (en) Thiazolcarbonsäureanilide
GB2424137B (en) Amplifier
TWI318496B (en) Differential amplifier
GB2426134B (en) Amplifiers
GB0503798D0 (en) Amplifier
HU0500324D0 (en) Amplifier
GB0412454D0 (en) Amplifier

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140311