AU5537080A - Amplifier - Google Patents

Amplifier

Info

Publication number: AU5537080A
Authority: AU; Australia
Prior art keywords: amplifier
Prior art date: 1979-02-13
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.): Abandoned

Application number

AU55370/80A

Inventor

Eise Carel Dijkmans

Theodorus Jozef Van Kessel

Josephus Hermanus Cornelis Verbaken

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.)

1979-02-13

Filing date

1980-02-08

Publication date

1980-08-21

1980-02-08 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1980-08-21 Publication of AU5537080A publication Critical patent/AU5537080A/en

Status Abandoned 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)

AU55370/80A 1979-02-13 1980-02-08 Amplifier Abandoned AU5537080A (en)

Applications Claiming Priority (2)

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.
NL7901118		1979-02-13

Publications (1)

Publication Number	Publication Date
AU5537080A true AU5537080A (en)	1980-08-21

Family

ID=19832627

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU55370/80A Abandoned AU5537080A (en)	1979-02-13	1980-02-08	Amplifier

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)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH664655A5 (en) *	1980-12-12	1988-03-15	Patelhold Patentverwertung	METHOD AND AMPLIFIER CIRCUIT FOR THE AMPLIFICATION OF ELECTRICAL SIGNALS, IN PARTICULAR LF MODULATION SIGNALS OF A BROADCASTING TRANSMITTER.
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

1979
- 1979-02-13 NL NL7901118A patent/NL7901118A/en not_active Application Discontinuation
1980
- 1980-02-02 DE DE19803003833 patent/DE3003833A1/en not_active Withdrawn
- 1980-02-08 GB GB8004284A patent/GB2043382A/en active Pending
- 1980-02-08 IT IT19824/80A patent/IT1193375B/en active
- 1980-02-08 AU AU55370/80A patent/AU5537080A/en not_active Abandoned
- 1980-02-11 SE SE8001041A patent/SE8001041L/en unknown
- 1980-02-11 ES ES488449A patent/ES488449A0/en active Granted
- 1980-02-11 FR FR8002982A patent/FR2449362A1/en not_active Withdrawn
- 1980-02-13 JP JP1560480A patent/JPS55109006A/en active Pending

Also Published As

Publication number	Publication date
SE8001041L (en)	1980-08-14
ES8102434A1 (en)	1980-12-16
JPS55109006A (en)	1980-08-21
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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