JPS55109006A - Amplifier unit - Google Patents

Amplifier unit

Info

Publication number
JPS55109006A
JPS55109006A JP1560480A JP1560480A JPS55109006A JP S55109006 A JPS55109006 A JP S55109006A JP 1560480 A JP1560480 A JP 1560480A JP 1560480 A JP1560480 A JP 1560480A JP S55109006 A JPS55109006 A JP S55109006A
Authority
JP
Japan
Prior art keywords
amplifier unit
amplifier
unit
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.)
Pending
Application number
JP1560480A
Other languages
Japanese (ja)
Inventor
Kaareru Deekumansu Aize
Jiyozefu Fuanketsuse Seodorasu
Haamanasu Koonarisu Jiyozefusu
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPS55109006A publication Critical patent/JPS55109006A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/15—Indexing scheme relating to amplifiers the supply or bias voltage or current at the drain side of a FET being continuously controlled by a controlling signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/228—A measuring circuit being coupled to the input of an amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
JP1560480A 1979-02-13 1980-02-13 Amplifier unit Pending JPS55109006A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7901118A NL7901118A (en) 1979-02-13 1979-02-13 AMPLIFIER CONTAINING A POWER SUPPLY CIRCUIT AND A CONNECTED AMPLIFIER STAGE.

Publications (1)

Publication Number Publication Date
JPS55109006A true JPS55109006A (en) 1980-08-21

Family

ID=19832627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1560480A Pending JPS55109006A (en) 1979-02-13 1980-02-13 Amplifier unit

Country Status (9)

Country Link
JP (1) JPS55109006A (en)
AU (1) AU5537080A (en)
DE (1) DE3003833A1 (en)
ES (1) ES488449A0 (en)
FR (1) FR2449362A1 (en)
GB (1) GB2043382A (en)
IT (1) IT1193375B (en)
NL (1) NL7901118A (en)
SE (1) SE8001041L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57123705A (en) * 1980-12-12 1982-08-02 Bbc Brown Boveri & Cie Method and circuit for amplifying electric signal

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8203428A (en) * 1982-09-02 1984-04-02 Philips Nv DEVICE FOR CONVERTING AN ELECTRIC SIGNAL TO AN ACOUSTIC SIGNAL.
IT1200794B (en) * 1985-10-16 1989-01-27 Sgs Microelettronica Spa DEVICE TO INCREASE THE OUTPUT POWER OF A LOW VOLTAGE POWERED RADIO EQUIPMENT, PARTICULARLY OF THE RADIO TYPE
KR920017329A (en) * 1991-02-22 1992-09-26 원본미기재 Adaptive voltage regulator
GB2275384A (en) * 1993-02-22 1994-08-24 Thomson Consumer Electronics Controlling amplifier power supply in dependence on signal level
GB2360410A (en) * 2000-03-18 2001-09-19 Univ Bristol An amplifier in which the input signal is delayed to allow time for the power supply to adjust to a level which minimises power loss
US8362838B2 (en) 2007-01-19 2013-01-29 Cirrus Logic, Inc. Multi-stage amplifier with multiple sets of fixed and variable voltage rails
US9154095B2 (en) 2013-03-15 2015-10-06 Bose Corporation Boost-on-demand amplifier
US9184705B2 (en) 2013-03-15 2015-11-10 Bose Corporation Feedback mechanism for boost-on-demand amplifiers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2705775A (en) * 1952-03-27 1955-04-05 Murray G Crosby Modulated wave amplifier
US3426266A (en) * 1966-03-22 1969-02-04 Collins Radio Co Signal modulated self-regulated switching voltage regulatoramplifier
US3486128A (en) * 1968-02-07 1969-12-23 Us Army Power amplifier for amplitude modulated transmitter
SE370300B (en) * 1969-12-16 1974-10-07 Western Electric Co
FR2109336A5 (en) * 1970-10-13 1972-05-26 Thomson Csf
US3753138A (en) * 1971-06-03 1973-08-14 Ampex Amplifier system with continuously variable supply
DE2137249C3 (en) * 1971-07-26 1982-10-28 Deutsche Automobilgesellschaft Mbh, 3000 Hannover Circuit for reducing the power loss in power output stages of DC amplifiers with limitation of the output current
JPS51121239A (en) * 1975-04-17 1976-10-23 Sony Corp An amplification circuit
JPS6115620Y2 (en) * 1976-03-02 1986-05-15
JPS52132660A (en) * 1976-04-28 1977-11-07 Matsushita Electric Ind Co Ltd Power amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57123705A (en) * 1980-12-12 1982-08-02 Bbc Brown Boveri & Cie Method and circuit for amplifying electric signal

Also Published As

Publication number Publication date
SE8001041L (en) 1980-08-14
AU5537080A (en) 1980-08-21
ES8102434A1 (en) 1980-12-16
ES488449A0 (en) 1980-12-16
IT1193375B (en) 1988-06-15
GB2043382A (en) 1980-10-01
NL7901118A (en) 1980-08-15
IT8019824A0 (en) 1980-02-08
FR2449362A1 (en) 1980-09-12
DE3003833A1 (en) 1980-08-14

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