BE689858A - - Google Patents
Info
- Publication number
- BE689858A BE689858A BE689858DA BE689858A BE 689858 A BE689858 A BE 689858A BE 689858D A BE689858D A BE 689858DA BE 689858 A BE689858 A BE 689858A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
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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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB11192/65A GB1077362A (en) | 1965-03-16 | 1965-03-16 | Improvements in or relating to low frequency amplifier circuits |
| GB4884565A GB1080118A (en) | 1965-03-16 | 1965-11-17 | Improvements in or relating to low-frequency amplifier circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE689858A true BE689858A (xx) | 1967-05-17 |
Family
ID=26248125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE689858D BE689858A (xx) | 1965-03-16 | 1966-11-17 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE689858A (xx) |
| DE (1) | DE1541517A1 (xx) |
| FR (1) | FR93356E (xx) |
| GB (1) | GB1080118A (xx) |
| NL (1) | NL6616049A (xx) |
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1965
- 1965-11-17 GB GB4884565A patent/GB1080118A/en not_active Expired
-
1966
- 1966-11-12 DE DE19661541517 patent/DE1541517A1/de active Pending
- 1966-11-15 NL NL6616049A patent/NL6616049A/xx unknown
- 1966-11-17 BE BE689858D patent/BE689858A/xx unknown
- 1966-11-17 FR FR84000A patent/FR93356E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1541517A1 (de) | 1969-08-07 |
| GB1080118A (en) | 1967-08-23 |
| FR93356E (fr) | 1969-03-21 |
| NL6616049A (xx) | 1967-05-18 |