JPS5754968B2 - - Google Patents

Info

Publication number
JPS5754968B2
JPS5754968B2 JP49064304A JP6430474A JPS5754968B2 JP S5754968 B2 JPS5754968 B2 JP S5754968B2 JP 49064304 A JP49064304 A JP 49064304A JP 6430474 A JP6430474 A JP 6430474A JP S5754968 B2 JPS5754968 B2 JP S5754968B2
Authority
JP
Japan
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
Application number
JP49064304A
Other versions
JPS50156860A (ja
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 filed Critical
Priority to JP49064304A priority Critical patent/JPS5754968B2/ja
Priority to GB23667/75A priority patent/GB1495435A/en
Priority to DE2524072A priority patent/DE2524072C2/de
Priority to US05/583,461 priority patent/US4004246A/en
Priority to CA228,497A priority patent/CA1034215A/en
Priority to NLAANVRAGE7506710,A priority patent/NL189330C/xx
Priority to IT24107/75A priority patent/IT1038760B/it
Priority to FR7517821A priority patent/FR2274170A1/fr
Publication of JPS50156860A publication Critical patent/JPS50156860A/ja
Publication of JPS5754968B2 publication Critical patent/JPS5754968B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/08—Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-mudulated pulses or of duty-cycle modulated pulses
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
JP49064304A 1974-06-06 1974-06-06 Expired JPS5754968B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP49064304A JPS5754968B2 (ja) 1974-06-06 1974-06-06
GB23667/75A GB1495435A (en) 1974-06-06 1975-05-30 Pulse width modulated signal amplifiers
DE2524072A DE2524072C2 (de) 1974-06-06 1975-05-30 Leistungsverstärker für in der Impulsbreite modulierte Signale
US05/583,461 US4004246A (en) 1974-06-06 1975-06-03 Pulse width modulated signal amplifier
CA228,497A CA1034215A (en) 1974-06-06 1975-06-04 Pulse width modulated signal amplifier
NLAANVRAGE7506710,A NL189330C (nl) 1974-06-06 1975-06-05 Versterker voor pulsbreedte-gemoduleerde signalen.
IT24107/75A IT1038760B (it) 1974-06-06 1975-06-06 Amplificatore di segnali a modula zione impulsiva di larghezza
FR7517821A FR2274170A1 (fr) 1974-06-06 1975-06-06 Amplificateur de signaux a largeur d'impulsions modulee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49064304A JPS5754968B2 (ja) 1974-06-06 1974-06-06

Publications (2)

Publication Number Publication Date
JPS50156860A JPS50156860A (ja) 1975-12-18
JPS5754968B2 true JPS5754968B2 (ja) 1982-11-20

Family

ID=13254361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49064304A Expired JPS5754968B2 (ja) 1974-06-06 1974-06-06

Country Status (8)

Country Link
US (1) US4004246A (ja)
JP (1) JPS5754968B2 (ja)
CA (1) CA1034215A (ja)
DE (1) DE2524072C2 (ja)
FR (1) FR2274170A1 (ja)
GB (1) GB1495435A (ja)
IT (1) IT1038760B (ja)
NL (1) NL189330C (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1596378A (en) * 1977-01-07 1981-08-26 Communications Patents Ltd Amplifier systems
US4164714A (en) * 1977-09-26 1979-08-14 Harris Corporation Polyphase PDM amplifier
US4360707A (en) * 1980-11-24 1982-11-23 Cts Corporation Digitally driven combination coils for electrodynamic acoustic transducers
GB2106356B (en) * 1981-08-05 1985-06-12 Marconi Co Ltd A pulse width modulator
US4441081A (en) * 1981-12-22 1984-04-03 International Business Machines Switching power driving circuit arrangement
US4510456A (en) * 1983-09-28 1985-04-09 Harris Corporation PDM Amplifier having distortion reduction circuit
JPH0728181B2 (ja) * 1988-12-28 1995-03-29 パイオニア株式会社 パルス幅変調増幅回路
US5451900A (en) * 1993-03-17 1995-09-19 Kabushiki Kaisha Toshiba Pulse width modulation circuit
DE19512383A1 (de) * 1995-04-01 1996-10-10 Nokia Deutschland Gmbh Klasse-D-Leistungsverstärker
US5767740A (en) * 1996-09-27 1998-06-16 Harris Corporation Switching amplifier closed loop dual comparator modulation technique
US5949282A (en) * 1998-02-25 1999-09-07 National Semiconductor Corporation Class D amplifier no low pass filter feedback with zero phase delay
US6788792B1 (en) * 1998-06-26 2004-09-07 Yamaha Corporation Device for amplitude adjustment and rectification made with MOS technology
US6049248A (en) * 1998-12-23 2000-04-11 Lucent Technologies Inc. Method and apparatus for generating a driver signal for use by a non-linear class S amplifier for producing linear amplification
US6441685B1 (en) 2000-03-17 2002-08-27 Jl Audio, Inc. Amplifier circuit and method for providing negative feedback thereto
GB2389724B (en) * 2002-06-11 2006-02-01 Nokia Corp Amplification circuitry
US6943623B2 (en) * 2002-06-11 2005-09-13 Nokia Corporation Amplification circuitry

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL291323A (ja) * 1962-04-11
US3400334A (en) * 1964-11-12 1968-09-03 Ling Temco Vought Inc Solid state switching type linear amplifier
US3376515A (en) * 1965-03-05 1968-04-02 William G. Dilley Single-ended, push-pull transistor audio amplifier
US3585517A (en) * 1968-05-01 1971-06-15 Westinghouse Electric Corp High-efficiency power amplifier
US3579132A (en) * 1969-11-14 1971-05-18 Ltv Ling Altec Inc Class {37 d{38 {0 linear audio amplifier

Also Published As

Publication number Publication date
NL189330B (nl) 1992-10-01
JPS50156860A (ja) 1975-12-18
CA1034215A (en) 1978-07-04
DE2524072C2 (de) 1984-06-20
FR2274170A1 (fr) 1976-01-02
IT1038760B (it) 1979-11-30
FR2274170B1 (ja) 1978-05-19
NL189330C (nl) 1993-03-01
DE2524072A1 (de) 1975-12-18
GB1495435A (en) 1977-12-21
US4004246A (en) 1977-01-18
NL7506710A (nl) 1975-12-09

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