AU510688B2 - Pulse width modulator - Google Patents

Pulse width modulator

Info

Publication number
AU510688B2
AU510688B2 AU31255/77A AU3125577A AU510688B2 AU 510688 B2 AU510688 B2 AU 510688B2 AU 31255/77 A AU31255/77 A AU 31255/77A AU 3125577 A AU3125577 A AU 3125577A AU 510688 B2 AU510688 B2 AU 510688B2
Authority
AU
Australia
Prior art keywords
pulse width
width modulator
modulator
pulse
width
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
Application number
AU31255/77A
Other languages
English (en)
Other versions
AU3125577A (en
Inventor
T. and Tuhami T Suzuki
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.)
Sony Corp
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 AU3125577A publication Critical patent/AU3125577A/en
Application granted granted Critical
Publication of AU510688B2 publication Critical patent/AU510688B2/en
Expired 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/511—Many discrete supply voltages or currents or voltage levels can be chosen by a control signal in an IC-block amplifier circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AU31255/77A 1976-12-06 1977-12-06 Pulse width modulator Expired AU510688B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP51146325A JPS5947486B2 (ja) 1976-12-06 1976-12-06 パルス幅変調増巾回路
JPJP146325/7 1976-12-06

Publications (2)

Publication Number Publication Date
AU3125577A AU3125577A (en) 1979-06-14
AU510688B2 true AU510688B2 (en) 1980-07-10

Family

ID=15405111

Family Applications (1)

Application Number Title Priority Date Filing Date
AU31255/77A Expired AU510688B2 (en) 1976-12-06 1977-12-06 Pulse width modulator

Country Status (8)

Country Link
US (1) US4134076A (enExample)
JP (1) JPS5947486B2 (enExample)
AU (1) AU510688B2 (enExample)
CA (1) CA1090891A (enExample)
DE (1) DE2754268C2 (enExample)
FR (1) FR2373189A1 (enExample)
GB (1) GB1591927A (enExample)
NL (1) NL189692C (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57170606A (en) * 1981-04-10 1982-10-20 Sony Corp Amplifying circuit for pulse-width-modulated signal
US4992749A (en) * 1988-12-28 1991-02-12 Pioneer Electronic Corporation Pulse-width modulating amplifier circuit
US5157351A (en) * 1991-08-28 1992-10-20 Sgs-Thomson Microelectronics, Inc. Insulated gate enhancement mode field effect transistor with slew-rate control on drain output
ES2212082T3 (es) * 1996-10-31 2004-07-16 BANG & OLUFSEN A/S Amplificador de potencia con modulacion por impulsos con metodo mejorado de control en cascada.
EP0932932B1 (en) * 1997-08-12 2003-10-01 Koninklijke Philips Electronics N.V. Device for amplifying digital signals
US6636124B1 (en) 2001-11-30 2003-10-21 Analog Technologies, Inc. Method and apparatus for accurate pulse width modulation
DE10347227A1 (de) * 2003-10-06 2005-05-04 Joachim Schumann Einstieg für ein Schwimmbad
JP2005322958A (ja) * 2004-05-06 2005-11-17 Nec Electronics Corp Ｄ級アンプ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509479A (en) * 1966-11-29 1970-04-28 Sperry Rand Corp Simplified pulse width modulated amplifier
JPS5818804B2 (ja) * 1974-12-18 1983-04-14 ソニー株式会社 パルス幅変調増巾回路

Also Published As

Publication number Publication date
NL189692C (nl) 1993-06-16
FR2373189B1 (enExample) 1984-04-27
JPS5947486B2 (ja) 1984-11-19
CA1090891A (en) 1980-12-02
DE2754268A1 (de) 1978-08-03
GB1591927A (en) 1981-07-01
JPS5370649A (en) 1978-06-23
US4134076A (en) 1979-01-09
NL189692B (nl) 1993-01-18
FR2373189A1 (fr) 1978-06-30
NL7713492A (nl) 1978-06-08
DE2754268C2 (de) 1986-04-03
AU3125577A (en) 1979-06-14

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