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GB9824153D0 - Audio amplifier - Google Patents

Audio amplifier

Info

Publication number
GB9824153D0
GB9824153D0 GBGB9824153.2A GB9824153A GB9824153D0 GB 9824153 D0 GB9824153 D0 GB 9824153D0 GB 9824153 A GB9824153 A GB 9824153A GB 9824153 D0 GB9824153 D0 GB 9824153D0
Authority
GB
United Kingdom
Prior art keywords
audio amplifier
amplifier
audio
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.)
Withdrawn
Application number
GBGB9824153.2A
Other versions
GB2343573A (en
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.)
APPLIC SOLUTIONS Ltd
Original Assignee
APPLIC SOLUTIONS 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
Application filed by APPLIC SOLUTIONS Ltd filed Critical APPLIC SOLUTIONS Ltd
Priority to GB9824153A priority Critical patent/GB2343573A/en
Publication of GB9824153D0 publication Critical patent/GB9824153D0/en
Publication of GB2343573A publication Critical patent/GB2343573A/en
Withdrawn legal-status Critical Current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
    • H03F3/20—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
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
    • 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
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB9824153A 1998-11-04 1998-11-04 An efficient PWM switched amplifier with variable carrier frequency Withdrawn GB2343573A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9824153A GB2343573A (en) 1998-11-04 1998-11-04 An efficient PWM switched amplifier with variable carrier frequency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9824153A GB2343573A (en) 1998-11-04 1998-11-04 An efficient PWM switched amplifier with variable carrier frequency

Publications (2)

Publication Number Publication Date
GB9824153D0 true GB9824153D0 (en) 1998-12-30
GB2343573A GB2343573A (en) 2000-05-10

Family

ID=10841835

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9824153A Withdrawn GB2343573A (en) 1998-11-04 1998-11-04 An efficient PWM switched amplifier with variable carrier frequency

Country Status (1)

Country Link
GB (1) GB2343573A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7424120B2 (en) * 2003-08-06 2008-09-09 Avago Technologies General Ip Pte Ltd Method and apparatus for volume control
GB2406008B (en) * 2003-09-15 2008-04-02 Wolfson Ltd Class D amplifier
DE202005021878U1 (en) * 2005-06-27 2011-02-10 Lantiq Deutschland Gmbh Low-pass filter for filtering the switching noise in a pulse width modulated transmission signal
GB2441572B (en) 2006-09-05 2009-01-28 Stream Technology Ltd M Switching amplifier
EP4250558A1 (en) * 2022-03-21 2023-09-27 Paeonia Development AB Full-bridge class d amplifier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5767740A (en) * 1996-09-27 1998-06-16 Harris Corporation Switching amplifier closed loop dual comparator modulation technique

Also Published As

Publication number Publication date
GB2343573A (en) 2000-05-10

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)