IT1193375B - AMPLIFIER INCLUDING A POWER CIRCUIT AND AN AMPLIFICATION STAGE CONNECTED TO THE SAME - Google Patents
AMPLIFIER INCLUDING A POWER CIRCUIT AND AN AMPLIFICATION STAGE CONNECTED TO THE SAMEInfo
- Publication number
- IT1193375B IT1193375B IT19824/80A IT1982480A IT1193375B IT 1193375 B IT1193375 B IT 1193375B IT 19824/80 A IT19824/80 A IT 19824/80A IT 1982480 A IT1982480 A IT 1982480A IT 1193375 B IT1193375 B IT 1193375B
- Authority
- IT
- Italy
- Prior art keywords
- same
- power circuit
- amplification stage
- amplifier including
- stage connected
- Prior art date
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)
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 (2)
Publication Number | Publication Date |
---|---|
IT8019824A0 IT8019824A0 (en) | 1980-02-08 |
IT1193375B true IT1193375B (en) | 1988-06-15 |
Family
ID=19832627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19824/80A IT1193375B (en) | 1979-02-13 | 1980-02-08 | AMPLIFIER INCLUDING A POWER CIRCUIT AND AN AMPLIFICATION STAGE CONNECTED TO THE SAME |
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)
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)
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 |
AU5537080A (en) | 1980-08-21 |
ES8102434A1 (en) | 1980-12-16 |
JPS55109006A (en) | 1980-08-21 |
ES488449A0 (en) | 1980-12-16 |
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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