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GB0213352D0 - Amplification circuitry - Google Patents

Amplification circuitry

Info

Publication number
GB0213352D0
GB0213352D0 GB0213352A GB0213352A GB0213352D0 GB 0213352 D0 GB0213352 D0 GB 0213352D0 GB 0213352 A GB0213352 A GB 0213352A GB 0213352 A GB0213352 A GB 0213352A GB 0213352 D0 GB0213352 D0 GB 0213352D0
Authority
GB
United Kingdom
Prior art keywords
amplification circuitry
amplification
circuitry
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.)
Granted
Application number
GB0213352A
Other versions
GB2389724A (en
GB2389724B (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.)
Nokia Inc
Original Assignee
Nokia Inc
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 Nokia Inc filed Critical Nokia Inc
Priority to GB0213352A priority Critical patent/GB2389724B/en
Publication of GB0213352D0 publication Critical patent/GB0213352D0/en
Priority to US10/457,950 priority patent/US6943623B2/en
Publication of GB2389724A publication Critical patent/GB2389724A/en
Application granted granted Critical
Publication of GB2389724B publication Critical patent/GB2389724B/en
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
    • H03F3/20—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
    • 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)
GB0213352A 2002-06-11 2002-06-11 Amplification circuitry Expired - Fee Related GB2389724B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0213352A GB2389724B (en) 2002-06-11 2002-06-11 Amplification circuitry
US10/457,950 US6943623B2 (en) 2002-06-11 2003-06-09 Amplification circuitry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0213352A GB2389724B (en) 2002-06-11 2002-06-11 Amplification circuitry

Publications (3)

Publication Number Publication Date
GB0213352D0 true GB0213352D0 (en) 2002-07-24
GB2389724A GB2389724A (en) 2003-12-17
GB2389724B GB2389724B (en) 2006-02-01

Family

ID=9938331

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0213352A Expired - Fee Related GB2389724B (en) 2002-06-11 2002-06-11 Amplification circuitry

Country Status (1)

Country Link
GB (1) GB2389724B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1601226A1 (en) * 2004-05-21 2005-11-30 Harman Becker Automotive Systems GmbH High performance audio amplifier
EP2491650A4 (en) * 2009-10-19 2017-10-18 Meyer Sound Laboratories, Incorporated Circuit and method for reducing noise in class d amplifiers
CN112807072B (en) * 2020-12-31 2022-12-20 杭州堃博生物科技有限公司 Radio frequency generating circuit, device and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5754968B2 (en) * 1974-06-06 1982-11-20
US4535399A (en) * 1983-06-03 1985-08-13 National Semiconductor Corporation Regulated switched power circuit with resonant load
US6441685B1 (en) * 2000-03-17 2002-08-27 Jl Audio, Inc. Amplifier circuit and method for providing negative feedback thereto

Also Published As

Publication number Publication date
GB2389724A (en) 2003-12-17
GB2389724B (en) 2006-02-01

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Legal Events

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

Effective date: 20070611