BE865256A - MULTI-STAGE TRANSISTOR AMPLIFIER FOR ALTERNATIVE VOLTAGES - Google Patents
MULTI-STAGE TRANSISTOR AMPLIFIER FOR ALTERNATIVE VOLTAGESInfo
- Publication number
- BE865256A BE865256A BE186228A BE186228A BE865256A BE 865256 A BE865256 A BE 865256A BE 186228 A BE186228 A BE 186228A BE 186228 A BE186228 A BE 186228A BE 865256 A BE865256 A BE 865256A
- Authority
- BE
- Belgium
- Prior art keywords
- stage transistor
- transistor amplifier
- alternative voltages
- voltages
- alternative
- 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
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
-
- 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
- H03F1/0283—Reducing the number of DC-current paths
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772712680 DE2712680C2 (en) | 1977-03-23 | 1977-03-23 | Multi-stage transistor amplifier for alternating voltages |
Publications (1)
Publication Number | Publication Date |
---|---|
BE865256A true BE865256A (en) | 1978-07-17 |
Family
ID=6004397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE186228A BE865256A (en) | 1977-03-23 | 1978-03-23 | MULTI-STAGE TRANSISTOR AMPLIFIER FOR ALTERNATIVE VOLTAGES |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT374639B (en) |
BE (1) | BE865256A (en) |
DE (1) | DE2712680C2 (en) |
DK (1) | DK151752C (en) |
NL (1) | NL7803105A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2558997B1 (en) * | 1984-01-31 | 1989-02-03 | Thomson Csf | ELECTRIC SIGNAL GROUP PROPAGATION TIME CORRECTING AMPLIFIER AND INTERFERENCE FREQUENCY AMPLIFICATION CHAIN OF RADIO BEAMS INCLUDING SUCH AMPLIFIER |
AT386303B (en) * | 1986-07-31 | 1988-08-10 | Akg Akustische Kino Geraete | CIRCUIT ARRANGEMENT FOR CAPACITIVE VOLTAGE SOURCES HIGH OUTPUT IMPEDANCE, ESPECIALLY FOR CONDENSER MICROPHONES |
US5241284A (en) * | 1990-02-16 | 1993-08-31 | Nokia Mobile Phones Ltd. | Circuit arrangement for connecting RF amplifier and supply voltage filter |
FI87027C (en) * | 1990-02-16 | 1992-11-10 | Nokia Mobile Phones Ltd | Switching device for connecting RF amplifiers and operating voltage filters |
-
1977
- 1977-03-23 DE DE19772712680 patent/DE2712680C2/en not_active Expired
-
1978
- 1978-03-06 DK DK99678A patent/DK151752C/en not_active IP Right Cessation
- 1978-03-07 AT AT162878A patent/AT374639B/en not_active IP Right Cessation
- 1978-03-22 NL NL7803105A patent/NL7803105A/en not_active Application Discontinuation
- 1978-03-23 BE BE186228A patent/BE865256A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2712680C2 (en) | 1982-10-21 |
NL7803105A (en) | 1978-09-26 |
DK151752B (en) | 1987-12-28 |
DK151752C (en) | 1988-06-27 |
DE2712680A1 (en) | 1978-09-28 |
AT374639B (en) | 1984-05-10 |
ATA162878A (en) | 1983-09-15 |
DK99678A (en) | 1978-09-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: ROBERT BOSCH G.M.B.H. Effective date: 19930331 |