JPS5741125B2 - - Google Patents
Info
- Publication number
- JPS5741125B2 JPS5741125B2 JP49146424A JP14642474A JPS5741125B2 JP S5741125 B2 JPS5741125 B2 JP S5741125B2 JP 49146424 A JP49146424 A JP 49146424A JP 14642474 A JP14642474 A JP 14642474A JP S5741125 B2 JPS5741125 B2 JP S5741125B2
- 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.)
- Expired
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49146424A JPS5741125B2 (https=) | 1974-12-20 | 1974-12-20 | |
| US05/641,243 US3999143A (en) | 1974-12-20 | 1975-12-16 | Pulse width modulated signal amplifier |
| GB51646/75A GB1509599A (en) | 1974-12-20 | 1975-12-17 | Pulse width modulated signal amplifiers |
| AU87614/75A AU503715B2 (en) | 1974-12-20 | 1975-12-17 | Pulse width modulated signal amplifier |
| CA241,940A CA1022244A (en) | 1974-12-20 | 1975-12-17 | Pulse width modulated signal amplifier |
| NL7514886A NL7514886A (nl) | 1974-12-20 | 1975-12-19 | Versterker voor impulsbreedtegemoduleerde signa- len. |
| FR7539118A FR2295627A1 (fr) | 1974-12-20 | 1975-12-19 | Amplificateur de signaux a largeur d'impulsion modulee |
| DE2557512A DE2557512C3 (de) | 1974-12-20 | 1975-12-19 | PDM-Verstärker |
| BR7508448*A BR7508448A (pt) | 1974-12-20 | 1975-12-19 | Amplificador de sinal modulado em largura de pulsos |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49146424A JPS5741125B2 (https=) | 1974-12-20 | 1974-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5172264A JPS5172264A (https=) | 1976-06-22 |
| JPS5741125B2 true JPS5741125B2 (https=) | 1982-09-01 |
Family
ID=15407361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49146424A Expired JPS5741125B2 (https=) | 1974-12-20 | 1974-12-20 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3999143A (https=) |
| JP (1) | JPS5741125B2 (https=) |
| AU (1) | AU503715B2 (https=) |
| BR (1) | BR7508448A (https=) |
| CA (1) | CA1022244A (https=) |
| DE (1) | DE2557512C3 (https=) |
| FR (1) | FR2295627A1 (https=) |
| GB (1) | GB1509599A (https=) |
| NL (1) | NL7514886A (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4125814A (en) * | 1977-08-31 | 1978-11-14 | Exxon Research & Engineering Co. | High-power switching amplifier |
| JPS54102859A (en) * | 1978-01-30 | 1979-08-13 | Sony Corp | Pulse amplifier circuit |
| US4240036A (en) * | 1979-04-13 | 1980-12-16 | General Electric Company | Linearized three-state switching amplifier |
| JPS55156407A (en) * | 1979-05-24 | 1980-12-05 | Sony Corp | Amplifying circuit for pulse-width-modulated signal |
| AT374314B (de) * | 1980-05-28 | 1984-04-10 | Siemens Ag Oesterreich | Steuerschaltung zur ansteuerung induktiv belasteter roehren |
| WO2001018865A1 (en) * | 1999-09-06 | 2001-03-15 | Hitachi, Ltd. | High-frequency power amplification module and radio communication device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3585517A (en) * | 1968-05-01 | 1971-06-15 | Westinghouse Electric Corp | High-efficiency power amplifier |
| US3636380A (en) * | 1970-09-04 | 1972-01-18 | Us Navy | Power amplifier |
-
1974
- 1974-12-20 JP JP49146424A patent/JPS5741125B2/ja not_active Expired
-
1975
- 1975-12-16 US US05/641,243 patent/US3999143A/en not_active Expired - Lifetime
- 1975-12-17 CA CA241,940A patent/CA1022244A/en not_active Expired
- 1975-12-17 AU AU87614/75A patent/AU503715B2/en not_active Expired
- 1975-12-17 GB GB51646/75A patent/GB1509599A/en not_active Expired
- 1975-12-19 BR BR7508448*A patent/BR7508448A/pt unknown
- 1975-12-19 DE DE2557512A patent/DE2557512C3/de not_active Expired
- 1975-12-19 NL NL7514886A patent/NL7514886A/xx not_active Application Discontinuation
- 1975-12-19 FR FR7539118A patent/FR2295627A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BR7508448A (pt) | 1976-08-24 |
| GB1509599A (en) | 1978-05-04 |
| DE2557512A1 (de) | 1976-07-01 |
| CA1022244A (en) | 1977-12-06 |
| DE2557512B2 (de) | 1981-01-29 |
| DE2557512C3 (de) | 1981-10-29 |
| JPS5172264A (https=) | 1976-06-22 |
| AU503715B2 (en) | 1979-09-20 |
| NL7514886A (nl) | 1976-06-22 |
| US3999143A (en) | 1976-12-21 |
| FR2295627A1 (fr) | 1976-07-16 |
| AU8761475A (en) | 1977-06-23 |
| FR2295627B1 (https=) | 1979-09-07 |