NL175365C - Vermogensversterker. - Google Patents
Vermogensversterker.Info
- Publication number
- NL175365C NL175365C NLAANVRAGE7704516,A NL7704516A NL175365C NL 175365 C NL175365 C NL 175365C NL 7704516 A NL7704516 A NL 7704516A NL 175365 C NL175365 C NL 175365C
- Authority
- NL
- Netherlands
- Prior art keywords
- power amplifier
- amplifier
- power
- 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
- 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
- H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
-
- 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
- H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
-
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/26—Push-pull amplifiers; Phase-splitters therefor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3069—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output
- H03F3/3076—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output with symmetrical driving of the end stage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4924876A JPS52132660A (en) | 1976-04-28 | 1976-04-28 | Power amplifier |
| JP12907076A JPS5353946A (en) | 1976-04-28 | 1976-10-26 | Power amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7704516A NL7704516A (nl) | 1977-11-01 |
| NL175365C true NL175365C (nl) | 1984-10-16 |
Family
ID=26389624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7704516,A NL175365C (nl) | 1976-04-28 | 1977-04-25 | Vermogensversterker. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4115739A (ru) |
| JP (2) | JPS52132660A (ru) |
| CA (1) | CA1094652A (ru) |
| DE (1) | DE2718792C3 (ru) |
| FR (1) | FR2349997A1 (ru) |
| GB (1) | GB1576739A (ru) |
| NL (1) | NL175365C (ru) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2398408A1 (fr) * | 1977-07-21 | 1979-02-16 | Cit Alcatel | Circuit de limitation de la tension de sortie d'un amplificateur |
| JPS5480053A (en) * | 1977-12-08 | 1979-06-26 | Pioneer Electronic Corp | Output amplifier |
| JPS6031287B2 (ja) * | 1978-01-18 | 1985-07-22 | ヤマハ株式会社 | 電力増幅器 |
| NL7901118A (nl) * | 1979-02-13 | 1980-08-15 | Philips Nv | Versterker bevattende een voedingsschakeling en een daarmee verbonden versterker-trap. |
| JPS6214726Y2 (ru) * | 1979-10-31 | 1987-04-15 | ||
| JPS56118194U (ru) * | 1980-02-12 | 1981-09-09 | ||
| JPS57100313U (ru) * | 1980-12-11 | 1982-06-21 | ||
| US4472687A (en) * | 1980-12-24 | 1984-09-18 | Tokyo Shibaura Denki Kabushiki Kaisha | Audio power amplifier for supplying electric power to a load by switching of power supply voltage |
| JPS57208710A (en) * | 1981-06-17 | 1982-12-21 | Pioneer Electronic Corp | Power amplifier |
| US4454480A (en) * | 1981-07-15 | 1984-06-12 | Allfather Lars P | Amplifying with cascaded class B amplifiers |
| NL8103572A (nl) * | 1981-07-29 | 1983-02-16 | Philips Nv | Drijverschakeling. |
| US4462004A (en) * | 1982-03-18 | 1984-07-24 | At&T Bell Laboratories | Dynamic class-4 FET amplifier |
| IT1239643B (it) * | 1990-02-22 | 1993-11-11 | Sgs Thomson Microelectronics | Amplificatore audio ad alta efficienza per uso in alta fedelta' |
| US5343166A (en) * | 1993-08-26 | 1994-08-30 | Pass Laboratories, Inc. | Efficient high fidelity audio power amplifier |
| US5396194A (en) * | 1993-11-19 | 1995-03-07 | Carver Corporation | Audio frequency power amplifiers |
| US5543753A (en) * | 1994-06-22 | 1996-08-06 | Carver Corporation | Audio frequency power amplifiers with actively damped filter |
| US5606289A (en) * | 1994-06-22 | 1997-02-25 | Carver Corporation | Audio frequency power amplifiers with actively damped filter |
| US5990751A (en) * | 1997-10-16 | 1999-11-23 | Nikon Corporation | Method and apparatus for improving power transfer efficiency of an amplifier system |
| US6218897B1 (en) * | 1998-12-24 | 2001-04-17 | At&T Corp | Reconfigurable linear power amplifier |
| AU2001276206A1 (en) * | 2000-07-12 | 2002-01-21 | Indigo Manufacturing Inc. | Power amplifier with multiple power supplies |
| KR20050119687A (ko) * | 2003-04-07 | 2005-12-21 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 디지털 증폭기, 리플 억제 회로 및 리플 억제 방법 |
| GB2446843B (en) * | 2006-06-30 | 2011-09-07 | Wolfson Microelectronics Plc | Amplifier circuit and methods of operation thereof |
| GB2444988B (en) * | 2006-12-22 | 2011-07-20 | Wolfson Microelectronics Plc | Audio amplifier circuit and electronic apparatus including the same |
| GB2447426B (en) * | 2006-12-22 | 2011-07-13 | Wolfson Microelectronics Plc | Charge pump circuit and methods of operation thereof |
| GB2478458B (en) * | 2006-12-22 | 2011-12-07 | Wolfson Microelectronics Plc | Charge pump circuit and methods of operation thereof |
| GB2444984B (en) * | 2006-12-22 | 2011-07-13 | Wolfson Microelectronics Plc | Charge pump circuit and methods of operation thereof |
| JP5343786B2 (ja) * | 2009-09-18 | 2013-11-13 | ヤマハ株式会社 | 増幅装置 |
| JP2011135224A (ja) * | 2009-12-22 | 2011-07-07 | Yamaha Corp | 電力増幅回路 |
| JP2012023489A (ja) * | 2010-07-13 | 2012-02-02 | Panasonic Corp | 変調電源 |
| JP5749391B1 (ja) * | 2013-12-27 | 2015-07-15 | ジーエヌ リザウンド エー／エスＧｎ Ｒｅｓｏｕｎｄ Ａ／Ｓ | 切替可能な電源電圧を備える聴覚装置 |
| US9900708B2 (en) | 2013-12-27 | 2018-02-20 | Gn Hearing A/S | Hearing instrument with switchable power supply voltage |
| EP2890155B1 (en) * | 2013-12-27 | 2020-02-26 | GN Hearing A/S | Hearing instrument with switchable power supply voltage |
| CN106330115A (zh) * | 2016-08-17 | 2017-01-11 | 四川九洲电器集团有限责任公司 | 一种功率放大器 |
| DE102017223764A1 (de) * | 2017-12-22 | 2019-01-03 | Avl Software And Functions Gmbh | Aktiver Filter zur Reduktion von Gleichtaktstörimpulsen auf den Hochvoltleitungen |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3233185A (en) * | 1960-04-27 | 1966-02-01 | Adage Inc | Electrical signal amplifier |
| US3449689A (en) * | 1965-05-27 | 1969-06-10 | John Harley | On-off transducer |
| US3423689A (en) * | 1965-08-19 | 1969-01-21 | Hewlett Packard Co | Direct current amplifier |
| JPS4826772U (ru) * | 1971-08-02 | 1973-03-31 | ||
| JPS547088Y2 (ru) * | 1972-08-31 | 1979-04-03 |
-
1976
- 1976-04-28 JP JP4924876A patent/JPS52132660A/ja active Granted
- 1976-10-26 JP JP12907076A patent/JPS5353946A/ja active Granted
-
1977
- 1977-04-18 US US05/788,324 patent/US4115739A/en not_active Expired - Lifetime
- 1977-04-20 GB GB16354/77A patent/GB1576739A/en not_active Expired
- 1977-04-25 NL NLAANVRAGE7704516,A patent/NL175365C/xx not_active IP Right Cessation
- 1977-04-27 CA CA277,087A patent/CA1094652A/en not_active Expired
- 1977-04-27 DE DE2718792A patent/DE2718792C3/de not_active Expired
- 1977-04-27 FR FR7712708A patent/FR2349997A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4115739A (en) | 1978-09-19 |
| JPS576805B2 (ru) | 1982-02-06 |
| FR2349997B1 (ru) | 1980-07-25 |
| GB1576739A (en) | 1980-10-15 |
| JPS5640521B2 (ru) | 1981-09-21 |
| DE2718792C3 (de) | 1980-06-04 |
| DE2718792B2 (de) | 1979-09-20 |
| JPS5353946A (en) | 1978-05-16 |
| FR2349997A1 (fr) | 1977-11-25 |
| CA1094652A (en) | 1981-01-27 |
| JPS52132660A (en) | 1977-11-07 |
| DE2718792A1 (de) | 1977-11-03 |
| NL7704516A (nl) | 1977-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee |