IT1190873B - HIGH EFFICIENCY AUDIO AMPLIFIER - Google Patents

HIGH EFFICIENCY AUDIO AMPLIFIER

Info

Publication number
IT1190873B
IT1190873B IT21894/82A IT2189482A IT1190873B IT 1190873 B IT1190873 B IT 1190873B IT 21894/82 A IT21894/82 A IT 21894/82A IT 2189482 A IT2189482 A IT 2189482A IT 1190873 B IT1190873 B IT 1190873B
Authority
IT
Italy
Prior art keywords
high efficiency
audio amplifier
efficiency audio
amplifier
efficiency
Prior art date
Application number
IT21894/82A
Other languages
Italian (it)
Other versions
IT8221894A0 (en
Inventor
Paolo Antoniazzi
Carlo Alberto Grilli
Original Assignee
Sgs Microelettronica Spa
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 Sgs Microelettronica Spa filed Critical Sgs Microelettronica Spa
Priority to IT21894/82A priority Critical patent/IT1190873B/en
Publication of IT8221894A0 publication Critical patent/IT8221894A0/en
Priority to GB08315328A priority patent/GB2122042B/en
Priority to DE19833321294 priority patent/DE3321294A1/en
Priority to JP58105962A priority patent/JPS595712A/en
Priority to FR838310098A priority patent/FR2529036B1/fr
Application granted granted Critical
Publication of IT1190873B publication Critical patent/IT1190873B/en

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
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/432—Two or more amplifiers of different type are coupled in parallel at the input or output, e.g. a class D and a linear amplifier, a class B and a class A amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
IT21894/82A 1982-06-17 1982-06-17 HIGH EFFICIENCY AUDIO AMPLIFIER IT1190873B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT21894/82A IT1190873B (en) 1982-06-17 1982-06-17 HIGH EFFICIENCY AUDIO AMPLIFIER
GB08315328A GB2122042B (en) 1982-06-17 1983-06-03 High-efficiency audio-amplifier
DE19833321294 DE3321294A1 (en) 1982-06-17 1983-06-13 AUDIO AMPLIFIER WITH HIGH EFFICIENCY
JP58105962A JPS595712A (en) 1982-06-17 1983-06-15 High efficiency voice amplifier
FR838310098A FR2529036B1 (en) 1982-06-17 1983-06-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21894/82A IT1190873B (en) 1982-06-17 1982-06-17 HIGH EFFICIENCY AUDIO AMPLIFIER

Publications (2)

Publication Number Publication Date
IT8221894A0 IT8221894A0 (en) 1982-06-17
IT1190873B true IT1190873B (en) 1988-02-24

Family

ID=11188347

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21894/82A IT1190873B (en) 1982-06-17 1982-06-17 HIGH EFFICIENCY AUDIO AMPLIFIER

Country Status (5)

Country Link
JP (1) JPS595712A (en)
DE (1) DE3321294A1 (en)
FR (1) FR2529036B1 (en)
GB (1) GB2122042B (en)
IT (1) IT1190873B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3934215A1 (en) * 1989-10-13 1991-04-18 Rheydt Kabelwerk Ag D=A system with pulse width modulator - is actuated by digital system, while modulator signal is amplified
DE102006032181B3 (en) * 2006-07-12 2007-10-18 Zinoviy, Lerner, Dipl.-Ing. Power amplifier e.g. power D amplifier, for reproducing sound, has switch with two contacts which are connected with positive and negative terminals of power source, respectively, where another contact is connected to input of summator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1070682B (en) * 1955-09-29 1959-12-10 N. V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Amplifier circuit with a high-pass and low-pass network
FR2094702A5 (en) * 1970-06-30 1972-02-04 Thomson Csf
JPS6052607B2 (en) * 1979-05-10 1985-11-20 ヤマハ株式会社 amplifier

Also Published As

Publication number Publication date
FR2529036B1 (en) 1989-11-03
GB2122042B (en) 1986-04-30
IT8221894A0 (en) 1982-06-17
GB2122042A (en) 1984-01-04
DE3321294A1 (en) 1983-12-22
FR2529036A1 (en) 1983-12-23
JPS595712A (en) 1984-01-12
GB8315328D0 (en) 1983-07-06

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970628