BR7508465A - Amplificador de sinal modulado em largura de pulsos - Google Patents
Amplificador de sinal modulado em largura de pulsosInfo
- Publication number
- BR7508465A BR7508465A BR7508465*A BR7508465A BR7508465A BR 7508465 A BR7508465 A BR 7508465A BR 7508465 A BR7508465 A BR 7508465A BR 7508465 A BR7508465 A BR 7508465A
- Authority
- BR
- Brazil
- Prior art keywords
- pulse width
- modulated signal
- signal amplifier
- width modulated
- amplifier
- Prior art date
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
- 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
- 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
- H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49147885A JPS585522B2 (ja) | 1974-12-23 | 1974-12-23 | パルスハバヒヘンチヨウシンゴウゾウフクカイロ |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7508465A true BR7508465A (pt) | 1976-08-24 |
Family
ID=15440392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7508465*A BR7508465A (pt) | 1974-12-23 | 1975-12-19 | Amplificador de sinal modulado em largura de pulsos |
Country Status (9)
Country | Link |
---|---|
US (1) | US4021748A (pt) |
JP (1) | JPS585522B2 (pt) |
AU (1) | AU506319B2 (pt) |
BR (1) | BR7508465A (pt) |
CA (1) | CA1040278A (pt) |
DE (1) | DE2558161C3 (pt) |
FR (1) | FR2296303A1 (pt) |
GB (1) | GB1516529A (pt) |
NL (1) | NL7514887A (pt) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5942492B2 (ja) * | 1976-11-18 | 1984-10-15 | ソニー株式会社 | プツシユプルパルス増巾回路 |
JPS5917885B2 (ja) * | 1976-11-25 | 1984-04-24 | ソニー株式会社 | 電界効果トランジスタ増巾回路 |
JPS54102859A (en) * | 1978-01-30 | 1979-08-13 | Sony Corp | Pulse amplifier circuit |
JPS5585135A (en) * | 1978-12-21 | 1980-06-26 | Sony Corp | Mos-fet switching circuit |
US4727874A (en) * | 1984-09-10 | 1988-03-01 | C. R. Bard, Inc. | Electrosurgical generator with high-frequency pulse width modulated feedback power control |
US4992749A (en) * | 1988-12-28 | 1991-02-12 | Pioneer Electronic Corporation | Pulse-width modulating amplifier circuit |
US6469919B1 (en) | 1999-07-22 | 2002-10-22 | Eni Technology, Inc. | Power supplies having protection circuits |
US7180758B2 (en) * | 1999-07-22 | 2007-02-20 | Mks Instruments, Inc. | Class E amplifier with inductive clamp |
US8344801B2 (en) | 2010-04-02 | 2013-01-01 | Mks Instruments, Inc. | Variable class characteristic amplifier |
US9214901B2 (en) | 2012-07-27 | 2015-12-15 | Mks Instruments, Inc. | Wideband AFT power amplifier systems with frequency-based output transformer impedance balancing |
US9825553B2 (en) | 2014-04-17 | 2017-11-21 | Linear Technology Corporation | Voltage regulation in resonant power wireless receiver |
CN111208401B (zh) * | 2018-11-22 | 2023-01-31 | 宁波飞芯电子科技有限公司 | 一种钳位光电二极管的测试方法以及装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3336538A (en) * | 1964-08-13 | 1967-08-15 | Norman H Crowhurst | Two-state power amplifier with transitional feedback |
US3392341A (en) * | 1965-09-10 | 1968-07-09 | Rca Corp | Self-biased field effect transistor amplifier |
DE1298570B (de) * | 1967-04-11 | 1969-07-03 | Standard Elektrik Lorenz Ag | Gegentaktendstufe mit zwei in Serie an einer Spannungsquelle liegenden steuerbaren aktiven Elementen, zwischen deren Verbindungs-punkt und einem festen Bezugspotential die Serienschaltung eines grossen Kondensators und des Verbrauchers liegt |
JPS4836975B1 (pt) * | 1967-12-06 | 1973-11-08 | ||
US3629616A (en) * | 1969-07-01 | 1971-12-21 | Electronic Communications | High-efficiency modulation circuit for switching-mode audio amplifier |
JPS5541049B2 (pt) * | 1973-09-28 | 1980-10-22 |
-
1974
- 1974-12-23 JP JP49147885A patent/JPS585522B2/ja not_active Expired
-
1975
- 1975-12-17 AU AU87613/75A patent/AU506319B2/en not_active Expired
- 1975-12-17 GB GB51645/75A patent/GB1516529A/en not_active Expired
- 1975-12-18 US US05/641,981 patent/US4021748A/en not_active Expired - Lifetime
- 1975-12-19 BR BR7508465*A patent/BR7508465A/pt unknown
- 1975-12-19 NL NL7514887A patent/NL7514887A/xx not_active Application Discontinuation
- 1975-12-19 FR FR7539119A patent/FR2296303A1/fr active Granted
- 1975-12-22 CA CA242,290A patent/CA1040278A/en not_active Expired
- 1975-12-23 DE DE2558161A patent/DE2558161C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU506319B2 (en) | 1979-12-20 |
US4021748A (en) | 1977-05-03 |
NL7514887A (nl) | 1976-06-25 |
DE2558161C3 (de) | 1986-11-13 |
GB1516529A (en) | 1978-07-05 |
FR2296303A1 (fr) | 1976-07-23 |
DE2558161B2 (de) | 1981-02-05 |
JPS585522B2 (ja) | 1983-01-31 |
AU8761375A (en) | 1977-06-23 |
CA1040278A (en) | 1978-10-10 |
DE2558161A1 (de) | 1976-06-24 |
JPS5173864A (pt) | 1976-06-26 |
FR2296303B1 (pt) | 1980-03-28 |
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