FR2371819A1 - Amplificateur electrique comprenant plusieurs amplificateurs de puissance - Google Patents
Amplificateur electrique comprenant plusieurs amplificateurs de puissanceInfo
- Publication number
- FR2371819A1 FR2371819A1 FR7734730A FR7734730A FR2371819A1 FR 2371819 A1 FR2371819 A1 FR 2371819A1 FR 7734730 A FR7734730 A FR 7734730A FR 7734730 A FR7734730 A FR 7734730A FR 2371819 A1 FR2371819 A1 FR 2371819A1
- Authority
- FR
- France
- Prior art keywords
- power amplifiers
- several power
- including several
- amplifier
- amplifier including
- 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.)
- Granted
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
L'invention concerne les amplificateurs de puissance. Elle se rapporte à un amplificateur qui comprend un circuit 11 amplificateur de tension, plusieurs circuits 14a à 14n amplificateurs de puissance qui sont semblables et montés en parallèle, entre l'amplificateur de tension et la charge 18, et des résistances de charge 16a à 16n qui ont toutes la même valeur et assurent une répartition pratiquement égale de la charge entre les divers circuits amplificateurs de puissance. Application à la réalisation d'un amplificateur pour installatin de sonorisation.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/743,525 US4081757A (en) | 1976-11-19 | 1976-11-19 | Parallel power amplifier circuits |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2371819A1 true FR2371819A1 (fr) | 1978-06-16 |
FR2371819B3 FR2371819B3 (fr) | 1980-08-08 |
Family
ID=24989118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7734730A Granted FR2371819A1 (fr) | 1976-11-19 | 1977-11-18 | Amplificateur electrique comprenant plusieurs amplificateurs de puissance |
Country Status (5)
Country | Link |
---|---|
US (1) | US4081757A (fr) |
CA (1) | CA1092666A (fr) |
DE (1) | DE2750974A1 (fr) |
FR (1) | FR2371819A1 (fr) |
GB (1) | GB1553796A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5571400A (en) * | 1978-11-24 | 1980-05-29 | Hitachi Ltd | Monolithic power ic and acoustic unit |
NL7909126A (nl) * | 1979-12-19 | 1981-07-16 | Philips Nv | Versterkerinrichting met parallelwerkende deelversterker. |
US4782306A (en) * | 1987-03-18 | 1988-11-01 | Zdzislaw Gulczynski | Power amplifier |
US4761565A (en) * | 1987-06-29 | 1988-08-02 | Eastman Kodak Company | CCD clock driver circuit |
US5539833A (en) * | 1994-10-24 | 1996-07-23 | Yamashita; Osamu | Audio signal amplifier device |
US5926068A (en) * | 1997-10-16 | 1999-07-20 | Kabushiki Kaisha Toshiba | Variable gain amplifier or analog multiplexer with feedforward current blocking |
US6522197B2 (en) | 2000-04-21 | 2003-02-18 | Paradigm Wireless Systems, Inc. | Method and apparatus for optimum biasing of cascaded MOSFET radio-frequency devices |
JP2007143069A (ja) * | 2005-11-22 | 2007-06-07 | Mitsubishi Electric Corp | 電力増幅器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3157817A (en) * | 1959-08-24 | 1964-11-17 | Sony Corp | Transformer circuit for balancing current flow through parallel semiconductors |
US3016494A (en) * | 1959-11-20 | 1962-01-09 | Honeywell Regulator Co | Parallel operation of tetrode transistors |
US3350571A (en) * | 1963-12-23 | 1967-10-31 | North American Aviation Inc | Signal compression apparatus employing selectively enabled amplifier stages utilized in a monopulse angle-offboresight radar |
US3443239A (en) * | 1966-06-30 | 1969-05-06 | Collins Radio Co | Am amplifier circuit |
JPS5325481Y2 (fr) * | 1972-09-21 | 1978-06-29 | ||
GB1467059A (en) * | 1973-05-24 | 1977-03-16 | Rca Corp | Stabilized amplifier |
US3885220A (en) * | 1973-12-04 | 1975-05-20 | Phillips Petroleum Co | Buffered multiplexer with differential amplifier |
US3963993A (en) * | 1975-01-31 | 1976-06-15 | The Bendix Corporation | Power amplifier using a plurality of parallel connected amplifier elements and having burn-out protection |
-
1976
- 1976-11-19 US US05/743,525 patent/US4081757A/en not_active Expired - Lifetime
-
1977
- 1977-11-15 DE DE19772750974 patent/DE2750974A1/de not_active Ceased
- 1977-11-15 CA CA290,918A patent/CA1092666A/fr not_active Expired
- 1977-11-16 GB GB47683/77A patent/GB1553796A/en not_active Expired
- 1977-11-18 FR FR7734730A patent/FR2371819A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
US4081757A (en) | 1978-03-28 |
DE2750974A1 (de) | 1978-05-24 |
FR2371819B3 (fr) | 1980-08-08 |
CA1092666A (fr) | 1980-12-30 |
US4081757B1 (fr) | 1982-11-02 |
GB1553796A (en) | 1979-10-10 |
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