BR7508370A - Amplificador de sinal modulado em largura de pulsos - Google Patents
Amplificador de sinal modulado em largura de pulsosInfo
- Publication number
- BR7508370A BR7508370A BR7508370*A BR7508370A BR7508370A BR 7508370 A BR7508370 A BR 7508370A BR 7508370 A BR7508370 A BR 7508370A BR 7508370 A BR7508370 A BR 7508370A
- 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
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/02—Amplitude modulation, i.e. PAM
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49145470A JPS5818804B2 (ja) | 1974-12-18 | 1974-12-18 | パルス幅変調増巾回路 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7508370A true BR7508370A (pt) | 1976-09-08 |
Family
ID=15385974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7508370*A BR7508370A (pt) | 1974-12-18 | 1975-12-17 | Amplificador de sinal modulado em largura de pulsos |
Country Status (9)
Country | Link |
---|---|
US (1) | US4021745A (pt) |
JP (1) | JPS5818804B2 (pt) |
AU (1) | AU504018B2 (pt) |
BR (1) | BR7508370A (pt) |
CA (1) | CA1036228A (pt) |
DE (1) | DE2555825C3 (pt) |
FR (1) | FR2295626A1 (pt) |
GB (1) | GB1514580A (pt) |
NL (1) | NL189329C (pt) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5843922B2 (ja) * | 1975-02-24 | 1983-09-30 | ソニー株式会社 | パルスハバヘンチヨウゾウフクカイロ |
JPS5947486B2 (ja) * | 1976-12-06 | 1984-11-19 | ソニー株式会社 | パルス幅変調増巾回路 |
JPS59814Y2 (ja) * | 1977-04-22 | 1984-01-11 | ブライアン・ア−ネスト・アトウツド | D級増幅器 |
JPS6017167B2 (ja) * | 1978-05-23 | 1985-05-01 | ソニー株式会社 | パルス巾変調信号増幅回路 |
CH640376A5 (de) * | 1979-03-01 | 1983-12-30 | Landis & Gyr Ag | Pulsdauermodulations-signalverstaerker. |
US4616332A (en) * | 1982-09-24 | 1986-10-07 | The Foxboro Company | Apparatus for converting analog-format signals to pulse-format signals |
US4600891A (en) * | 1984-08-21 | 1986-07-15 | Peavey Electronics Corporation | Digital audio amplifier having a high power output level and low distortion |
JPS61132406A (ja) * | 1984-11-29 | 1986-06-19 | Fuji Heavy Ind Ltd | ストラツト型後輪懸架装置 |
JPS62117104U (pt) * | 1986-01-18 | 1987-07-25 | ||
US5504521A (en) * | 1994-06-13 | 1996-04-02 | Display Laboratories, Inc. | Method and apparatus for making corrections in a video monitor during horizontal scan |
US5672998A (en) * | 1995-08-09 | 1997-09-30 | Harris Corporation | Class D amplifier and method |
JP3346579B2 (ja) * | 1996-10-31 | 2002-11-18 | バング・アンド・オルフセン・エイ エス | 強化カスケード制御方法によるパルス変調電力増幅器 |
US6229390B1 (en) * | 1999-03-09 | 2001-05-08 | Tripath Technology, Inc. | Methods and apparatus for noise shaping a mixed signal power output |
US6504427B2 (en) * | 2001-05-31 | 2003-01-07 | Motorola, Inc. | Switching amplifier having digital correction and method therefor |
WO2008033116A1 (en) * | 2006-09-11 | 2008-03-20 | Semiconductor Components Industries, L.L.C. | Amplification circuit and method therefor |
DE102008057234A1 (de) | 2007-12-14 | 2009-06-25 | Jens Kurrat | Aktivlautsprecher |
KR20100008749A (ko) * | 2008-07-16 | 2010-01-26 | 삼성전자주식회사 | 스위칭 파워 증폭 장치 및 그 제어 방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3400334A (en) * | 1964-11-12 | 1968-09-03 | Ling Temco Vought Inc | Solid state switching type linear amplifier |
US3509479A (en) * | 1966-11-29 | 1970-04-28 | Sperry Rand Corp | Simplified pulse width modulated amplifier |
US3579132A (en) * | 1969-11-14 | 1971-05-18 | Ltv Ling Altec Inc | Class {37 d{38 {0 linear audio amplifier |
-
1974
- 1974-12-18 JP JP49145470A patent/JPS5818804B2/ja not_active Expired
-
1975
- 1975-12-09 AU AU87382/75A patent/AU504018B2/en not_active Expired
- 1975-12-11 DE DE2555825A patent/DE2555825C3/de not_active Expired
- 1975-12-11 GB GB50889/75A patent/GB1514580A/en not_active Expired
- 1975-12-16 NL NLAANVRAGE7514678,A patent/NL189329C/xx not_active IP Right Cessation
- 1975-12-16 US US05/641,244 patent/US4021745A/en not_active Expired - Lifetime
- 1975-12-17 CA CA241,943A patent/CA1036228A/en not_active Expired
- 1975-12-17 BR BR7508370*A patent/BR7508370A/pt unknown
- 1975-12-18 FR FR7538916A patent/FR2295626A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
AU8738275A (en) | 1977-06-16 |
CA1036228A (en) | 1978-08-08 |
AU504018B2 (en) | 1979-09-27 |
NL189329C (nl) | 1993-03-01 |
DE2555825A1 (de) | 1976-06-24 |
NL189329B (nl) | 1992-10-01 |
JPS5171661A (pt) | 1976-06-21 |
FR2295626B1 (pt) | 1980-03-21 |
DE2555825B2 (de) | 1981-06-19 |
GB1514580A (en) | 1978-06-14 |
DE2555825C3 (de) | 1982-02-11 |
NL7514678A (nl) | 1976-06-22 |
JPS5818804B2 (ja) | 1983-04-14 |
FR2295626A1 (fr) | 1976-07-16 |
US4021745A (en) | 1977-05-03 |
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