CA1036228A - Amplificateur de signal module par la duree de l'impulsion - Google Patents

Amplificateur de signal module par la duree de l'impulsion

Info

Publication number
CA1036228A
CA1036228A CA241,943A CA241943A CA1036228A CA 1036228 A CA1036228 A CA 1036228A CA 241943 A CA241943 A CA 241943A CA 1036228 A CA1036228 A CA 1036228A
Authority
CA
Canada
Prior art keywords
pulse width
modulated signal
signal amplifier
width modulated
amplifier
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
CA241,943A
Other languages
English (en)
Inventor
Tadao Yoshida
Tadao 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
Application granted granted Critical
Publication of CA1036228A publication Critical patent/CA1036228A/fr
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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/02—Amplitude modulation, i.e. PAM

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CA241,943A 1974-12-18 1975-12-17 Amplificateur de signal module par la duree de l'impulsion Expired CA1036228A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49145470A JPS5818804B2 (ja) 1974-12-18 1974-12-18 パルス幅変調増巾回路

Publications (1)

Publication Number Publication Date
CA1036228A true CA1036228A (fr) 1978-08-08

Family

ID=15385974

Family Applications (1)

Application Number Title Priority Date Filing Date
CA241,943A Expired CA1036228A (fr) 1974-12-18 1975-12-17 Amplificateur de signal module par la duree de l'impulsion

Country Status (9)

Country Link
US (1) US4021745A (fr)
JP (1) JPS5818804B2 (fr)
AU (1) AU504018B2 (fr)
BR (1) BR7508370A (fr)
CA (1) CA1036228A (fr)
DE (1) DE2555825C3 (fr)
FR (1) FR2295626A1 (fr)
GB (1) GB1514580A (fr)
NL (1) NL189329C (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5843922B2 (ja) * 1975-02-24 1983-09-30 ソニー株式会社 パルスハバヘンチヨウゾウフクカイロ
JPS5947486B2 (ja) * 1976-12-06 1984-11-19 ソニー株式会社 パルス幅変調増巾回路
JPS59814Y2 (ja) * 1977-04-22 1984-01-11 ブライアン・ア−ネスト・アトウツド Ｄ級増幅器
JPS6017167B2 (ja) * 1978-05-23 1985-05-01 ソニー株式会社 パルス巾変調信号増幅回路
CH640376A5 (de) * 1979-03-01 1983-12-30 Landis & Gyr Ag Pulsdauermodulations-signalverstaerker.
US4616332A (en) * 1982-09-24 1986-10-07 The Foxboro Company Apparatus for converting analog-format signals to pulse-format signals
US4600891A (en) * 1984-08-21 1986-07-15 Peavey Electronics Corporation Digital audio amplifier having a high power output level and low distortion
JPS62117104U (fr) * 1986-01-18 1987-07-25
US5504521A (en) * 1994-06-13 1996-04-02 Display Laboratories, Inc. Method and apparatus for making corrections in a video monitor during horizontal scan
US5672998A (en) * 1995-08-09 1997-09-30 Harris Corporation Class D amplifier and method
AU734813B2 (en) 1996-10-31 2001-06-21 Bang & Olufsen A/S Pulse modulation power amplifier with enhanced cascade control method
US6229390B1 (en) * 1999-03-09 2001-05-08 Tripath Technology, Inc. Methods and apparatus for noise shaping a mixed signal power output
US6504427B2 (en) * 2001-05-31 2003-01-07 Motorola, Inc. Switching amplifier having digital correction and method therefor
CN101473532B (zh) * 2006-09-11 2013-06-12 半导体元件工业有限责任公司 放大电路及其方法
DE102008057234A1 (de) 2007-12-14 2009-06-25 Jens Kurrat Aktivlautsprecher
KR20100008749A (ko) * 2008-07-16 2010-01-26 삼성전자주식회사 스위칭 파워 증폭 장치 및 그 제어 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400334A (en) * 1964-11-12 1968-09-03 Ling Temco Vought Inc Solid state switching type linear amplifier
US3509479A (en) * 1966-11-29 1970-04-28 Sperry Rand Corp Simplified pulse width modulated 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
NL189329B (nl) 1992-10-01
DE2555825A1 (de) 1976-06-24
JPS5171661A (fr) 1976-06-21
GB1514580A (en) 1978-06-14
US4021745A (en) 1977-05-03
NL7514678A (nl) 1976-06-22
AU504018B2 (en) 1979-09-27
DE2555825C3 (de) 1982-02-11
FR2295626B1 (fr) 1980-03-21
NL189329C (nl) 1993-03-01
BR7508370A (pt) 1976-09-08
DE2555825B2 (de) 1981-06-19
JPS5818804B2 (ja) 1983-04-14
AU8738275A (en) 1977-06-16
FR2295626A1 (fr) 1976-07-16

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