GB2441218B - Method,apparatus and system for reducing dc coupling capacitance at switching amplifier - Google Patents

Method,apparatus and system for reducing dc coupling capacitance at switching amplifier

Info

Publication number
GB2441218B
GB2441218B GB0716318A GB0716318A GB2441218B GB 2441218 B GB2441218 B GB 2441218B GB 0716318 A GB0716318 A GB 0716318A GB 0716318 A GB0716318 A GB 0716318A GB 2441218 B GB2441218 B GB 2441218B
Authority
GB
United Kingdom
Prior art keywords
reducing
coupling capacitance
switching amplifier
amplifier
switching
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
GB0716318A
Other versions
GB0716318D0 (en
GB2441218A (en
Inventor
Seung-Bin You
Yong-Jin Cho
Soo-Hyoung Lee
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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
Priority claimed from KR1020060079793A external-priority patent/KR100770747B1/en
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of GB0716318D0 publication Critical patent/GB0716318D0/en
Publication of GB2441218A publication Critical patent/GB2441218A/en
Application granted granted Critical
Publication of GB2441218B publication Critical patent/GB2441218B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB0716318A 2006-08-23 2007-08-21 Method,apparatus and system for reducing dc coupling capacitance at switching amplifier Expired - Fee Related GB2441218B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060079793A KR100770747B1 (en) 2006-08-23 2006-08-23 Digital amplifier and method of reproducing sound
US11/889,419 US7602245B2 (en) 2006-08-23 2007-08-13 Method, apparatus and system for reducing DC coupling capacitance at switching amplifier

Publications (3)

Publication Number Publication Date
GB0716318D0 GB0716318D0 (en) 2007-10-03
GB2441218A GB2441218A (en) 2008-02-27
GB2441218B true GB2441218B (en) 2011-08-10

Family

ID=39027558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0716318A Expired - Fee Related GB2441218B (en) 2006-08-23 2007-08-21 Method,apparatus and system for reducing dc coupling capacitance at switching amplifier

Country Status (3)

Country Link
JP (1) JP5198013B2 (en)
DE (1) DE102007040498A1 (en)
GB (1) GB2441218B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5206763B2 (en) * 2010-10-21 2013-06-12 オンキヨー株式会社 Amplifier

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001223545A (en) * 2000-02-07 2001-08-17 Digian Technology Inc Pwm amplifier
WO2002095936A1 (en) * 2001-05-21 2002-11-28 Niigata Seimitsu Co., Ltd. Audio output amplifier
JP2005210329A (en) * 2004-01-21 2005-08-04 Sharp Corp Digital amplifier
WO2006031304A2 (en) * 2004-07-29 2006-03-23 Maxim Integrated Products, Inc. Single supply direct drive amplifier
WO2006059956A1 (en) * 2004-12-01 2006-06-08 Creative Technology Ltd A power multiplier apparatus and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3266203B2 (en) * 1991-09-30 2002-03-18 ローム株式会社 Automatic gain control circuit
JP2001127633A (en) * 1999-10-27 2001-05-11 Asahi Kasei Microsystems Kk Offset cancel circuit
JP2004214712A (en) * 2002-12-26 2004-07-29 Toshiba Corp Amplifier circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001223545A (en) * 2000-02-07 2001-08-17 Digian Technology Inc Pwm amplifier
WO2002095936A1 (en) * 2001-05-21 2002-11-28 Niigata Seimitsu Co., Ltd. Audio output amplifier
JP2005210329A (en) * 2004-01-21 2005-08-04 Sharp Corp Digital amplifier
WO2006031304A2 (en) * 2004-07-29 2006-03-23 Maxim Integrated Products, Inc. Single supply direct drive amplifier
WO2006059956A1 (en) * 2004-12-01 2006-06-08 Creative Technology Ltd A power multiplier apparatus and method

Also Published As

Publication number Publication date
GB0716318D0 (en) 2007-10-03
JP5198013B2 (en) 2013-05-15
DE102007040498A1 (en) 2008-04-03
GB2441218A (en) 2008-02-27
JP2008054320A (en) 2008-03-06

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Legal Events

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

Effective date: 20140821