JPS5197359A - - Google Patents
Info
- Publication number
- JPS5197359A JPS5197359A JP50022589A JP2258975A JPS5197359A JP S5197359 A JPS5197359 A JP S5197359A JP 50022589 A JP50022589 A JP 50022589A JP 2258975 A JP2258975 A JP 2258975A JP S5197359 A JPS5197359 A JP S5197359A
- Authority
- JP
- Japan
- 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
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- 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
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/351—Pulse width modulation being used in an amplifying circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50022589A JPS5843922B2 (ja) | 1975-02-24 | 1975-02-24 | パルスハバヘンチヨウゾウフクカイロ |
AU11237/76A AU502699B2 (en) | 1975-02-24 | 1976-02-19 | Pulse-width modulator |
GB6833/76A GB1511752A (en) | 1975-02-24 | 1976-02-20 | Pwm signal modulator |
CA246,336A CA1061468A (en) | 1975-02-24 | 1976-02-23 | Pwm signal amplifier |
US05/660,351 US4015213A (en) | 1975-02-24 | 1976-02-23 | Pulse width modulated signal amplifier |
NLAANVRAGE7601896,A NL187882C (nl) | 1975-02-24 | 1976-02-24 | Pulsbreedtemodulator. |
FR7605117A FR2301970A1 (fr) | 1975-02-24 | 1976-02-24 | Amplificateur de signaux modules par impulsions de duree variable |
DE2607443A DE2607443C2 (de) | 1975-02-24 | 1976-02-24 | Pulsbreitenmodulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50022589A JPS5843922B2 (ja) | 1975-02-24 | 1975-02-24 | パルスハバヘンチヨウゾウフクカイロ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5197359A true JPS5197359A (US06368395-20020409-C00050.png) | 1976-08-26 |
JPS5843922B2 JPS5843922B2 (ja) | 1983-09-30 |
Family
ID=12087027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50022589A Expired JPS5843922B2 (ja) | 1975-02-24 | 1975-02-24 | パルスハバヘンチヨウゾウフクカイロ |
Country Status (8)
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4380746A (en) * | 1981-03-03 | 1983-04-19 | Westinghouse Electric Corp. | Pulse modulator using capacitor charging and discharging circuits |
US4540957A (en) * | 1983-05-06 | 1985-09-10 | Continental Electronics Mfg. Co. | Amplitude modulator forms two phase-shifted pulse trains and combines them |
DE3319300A1 (de) * | 1983-05-27 | 1984-11-29 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Digitaler pulsweiten-pulsfrequenzmodulator (pwpf-modulator) |
DE3572098D1 (en) * | 1984-11-02 | 1989-09-07 | Bose Corp | Frequency-stabilized two-state modulation |
US5396194A (en) * | 1993-11-19 | 1995-03-07 | Carver Corporation | Audio frequency power amplifiers |
US5457435A (en) * | 1994-03-25 | 1995-10-10 | Caterpillar Inc. | Pulse width modulated driver |
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 |
US5594386A (en) * | 1995-04-21 | 1997-01-14 | Sipex Corporation | Pulse width modulated amplifier |
US5982231A (en) * | 1997-07-23 | 1999-11-09 | Linfinity Microelectronics, Inc. | Multiple channel class D audio amplifier |
US5963086A (en) * | 1997-08-08 | 1999-10-05 | Velodyne Acoustics, Inc. | Class D amplifier with switching control |
US6545533B2 (en) | 2000-12-18 | 2003-04-08 | Texas Instruments Incorporated | Class D audio speaker amplifier circuit with pseudo noise modulation |
US6879199B2 (en) * | 2002-02-15 | 2005-04-12 | Valere Power, Inc. | PWM control signal generation method and apparatus |
CN1277351C (zh) * | 2002-10-03 | 2006-09-27 | 三菱电机株式会社 | D类放大器 |
US20060217086A1 (en) * | 2005-03-25 | 2006-09-28 | Pulsewave Rf, Inc. | Radio frequency power amplifier and method using a plurality of feedback systems |
US7352237B2 (en) * | 2005-03-25 | 2008-04-01 | Pulsewave Rf, Inc. | Radio frequency power amplifier and corresponding method |
WO2008075318A2 (en) * | 2006-12-21 | 2008-06-26 | Bang & Olufsen Icepower A/S | Error correction system for a class-d power stage |
ES2335963A1 (es) * | 2009-11-16 | 2010-04-06 | Universidad Politecnica De Madrid | Sistema de control para fuentes de alimentacion conmutadoras con rapida respuesta dinamica. |
CN108227563A (zh) * | 2017-12-13 | 2018-06-29 | 苏州长风航空电子有限公司 | 一种通过振荡产生pwm信号的方法 |
CN116320329B (zh) * | 2023-05-10 | 2023-09-15 | 深圳芯迈微科技有限公司 | 一种光纤接入终端系统集成芯片 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1365878A (fr) * | 1962-08-15 | 1964-07-03 | Appareil de transmission et transformation de signaux et procédé de transmission par emploi dudit appareil ou appareil similaire | |
US3336538A (en) * | 1964-08-13 | 1967-08-15 | Norman H Crowhurst | Two-state power amplifier with transitional feedback |
US3413570A (en) * | 1966-02-23 | 1968-11-26 | Collins Radio Co | High efficiency rf power amplification with modulation signal controlled "on"-"off" switch varied amplifier dc potentials |
US3585517A (en) * | 1968-05-01 | 1971-06-15 | Westinghouse Electric Corp | High-efficiency power amplifier |
JPS5818804B2 (ja) * | 1974-12-18 | 1983-04-14 | ソニー株式会社 | パルス幅変調増巾回路 |
-
1975
- 1975-02-24 JP JP50022589A patent/JPS5843922B2/ja not_active Expired
-
1976
- 1976-02-19 AU AU11237/76A patent/AU502699B2/en not_active Expired
- 1976-02-20 GB GB6833/76A patent/GB1511752A/en not_active Expired
- 1976-02-23 US US05/660,351 patent/US4015213A/en not_active Expired - Lifetime
- 1976-02-23 CA CA246,336A patent/CA1061468A/en not_active Expired
- 1976-02-24 DE DE2607443A patent/DE2607443C2/de not_active Expired
- 1976-02-24 NL NLAANVRAGE7601896,A patent/NL187882C/xx not_active IP Right Cessation
- 1976-02-24 FR FR7605117A patent/FR2301970A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
CA1061468A (en) | 1979-08-28 |
AU1123776A (en) | 1977-09-01 |
AU502699B2 (en) | 1979-08-02 |
DE2607443C2 (de) | 1986-09-04 |
GB1511752A (en) | 1978-05-24 |
US4015213A (en) | 1977-03-29 |
JPS5843922B2 (ja) | 1983-09-30 |
NL187882C (nl) | 1992-02-03 |
NL7601896A (nl) | 1976-08-26 |
FR2301970A1 (fr) | 1976-09-17 |
DE2607443A1 (de) | 1976-10-07 |
NL187882B (nl) | 1991-09-02 |
FR2301970B1 (US06368395-20020409-C00050.png) | 1982-11-26 |