NL189330B - Versterker voor pulsbreedte-gemoduleerde signalen. - Google Patents

Versterker voor pulsbreedte-gemoduleerde signalen.

Info

Publication number
NL189330B
NL189330B NLAANVRAGE7506710,A NL7506710A NL189330B NL 189330 B NL189330 B NL 189330B NL 7506710 A NL7506710 A NL 7506710A NL 189330 B NL189330 B NL 189330B
Authority
NL
Netherlands
Prior art keywords
amplifier
pulse width
modulated signals
width modulated
signals
Prior art date
Application number
NLAANVRAGE7506710,A
Other languages
English (en)
Other versions
NL189330C (nl
NL7506710A (nl
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of NL7506710A publication Critical patent/NL7506710A/nl
Publication of NL189330B publication Critical patent/NL189330B/nl
Application granted granted Critical
Publication of NL189330C publication Critical patent/NL189330C/nl

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K9/00Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/08Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-mudulated pulses or of duty-cycle modulated pulses
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217Class D power amplifiers; Switching amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K7/00Modulating pulses with a continuously-variable modulating signal
    • H03K7/08Duration or width modulation ; Duty cycle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
NLAANVRAGE7506710,A 1974-06-06 1975-06-05 Versterker voor pulsbreedte-gemoduleerde signalen. NL189330C (nl)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NL7506710A NL7506710A (nl) 1975-12-09
NL189330B true NL189330B (nl) 1992-10-01
NL189330C NL189330C (nl) 1993-03-01

Family

ID=13254361

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7506710,A NL189330C (nl) 1974-06-06 1975-06-05 Versterker voor pulsbreedte-gemoduleerde signalen.

Country Status (8)

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

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 (nl) * 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
JPS5754968B2 (nl) 1982-11-20
DE2524072A1 (de) 1975-12-18
NL189330C (nl) 1993-03-01
GB1495435A (en) 1977-12-21
DE2524072C2 (de) 1984-06-20
JPS50156860A (nl) 1975-12-18
CA1034215A (en) 1978-07-04
IT1038760B (it) 1979-11-30
US4004246A (en) 1977-01-18
NL7506710A (nl) 1975-12-09
FR2274170A1 (fr) 1976-01-02
FR2274170B1 (nl) 1978-05-19

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee