FI904712A - FOERFARANDE OCH ANORDNING FOER AUTOMATISK FOERSTAERKNINGSREGLERING I HOEGFREKVENSFOERSTAERKAREN. - Google Patents
FOERFARANDE OCH ANORDNING FOER AUTOMATISK FOERSTAERKNINGSREGLERING I HOEGFREKVENSFOERSTAERKAREN.Info
- Publication number
- FI904712A FI904712A FI904712A FI904712A FI904712A FI 904712 A FI904712 A FI 904712A FI 904712 A FI904712 A FI 904712A FI 904712 A FI904712 A FI 904712A FI 904712 A FI904712 A FI 904712A
- Authority
- FI
- Finland
- Prior art keywords
- hoegfrekvensfoerstaerkaren
- foerstaerkningsreglering
- anordning foer
- och anordning
- foerfarande och
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI904712A FI86350C (en) | 1990-09-25 | 1990-09-25 | Method and apparatus for automatic gain control in the high frequency amplifier |
PCT/FI1991/000292 WO1992005631A1 (en) | 1990-09-25 | 1991-09-23 | Method and arrangement for automatic gain control of a radio-frequency power amplifier |
AU85093/91A AU8509391A (en) | 1990-09-25 | 1991-09-23 | Method and arrangement for automatic gain control of a radio-frequency power amplifier |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI904712A FI86350C (en) | 1990-09-25 | 1990-09-25 | Method and apparatus for automatic gain control in the high frequency amplifier |
FI904712 | 1990-09-25 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI904712A0 FI904712A0 (en) | 1990-09-25 |
FI904712A true FI904712A (en) | 1992-03-26 |
FI86350B FI86350B (en) | 1992-04-30 |
FI86350C FI86350C (en) | 1992-08-10 |
Family
ID=8531112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI904712A FI86350C (en) | 1990-09-25 | 1990-09-25 | Method and apparatus for automatic gain control in the high frequency amplifier |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU8509391A (en) |
FI (1) | FI86350C (en) |
WO (1) | WO1992005631A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2708399B1 (en) * | 1993-06-30 | 1995-08-25 | Alcatel Telspace | Amplifier polarization control system. |
US5724005A (en) * | 1996-04-25 | 1998-03-03 | Lucent Technologies Inc. | Linear power amplifier with automatic gate/base bias control for optimum efficiency |
FR2810473B1 (en) * | 2000-06-15 | 2002-10-25 | Sagem | DEVICE FOR PRODUCING A PHASE AND AMPLITUDE MODULATED RADIOELECTRIC SIGNAL AND METHOD FOR PRODUCING SUCH A SIGNAL |
US7190221B2 (en) | 2004-10-22 | 2007-03-13 | Nokia Corporation | Method and apparatus for maintaining constant linearity for a power amplifier over varying load conditions |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2213099A (en) * | 1935-12-11 | 1940-08-27 | Rediffusion Ltd | Distortion indicator for electrical amplifying systems |
US3495179A (en) * | 1966-06-23 | 1970-02-10 | Hewlett Packard Co | Amplifier overload indicator |
US3833856A (en) * | 1973-11-15 | 1974-09-03 | Us Navy | Apparatus for testing an amplifier |
US4048573A (en) * | 1976-10-15 | 1977-09-13 | Mcintosh Laboratory, Incorporated | Amplifier improvements for limiting clipping |
US4032853A (en) * | 1976-10-28 | 1977-06-28 | Hibbs Jr Eugene B | Overdrive detector for radio frequency amplifier |
FR2487603B1 (en) * | 1980-07-25 | 1986-06-27 | Inst Francais Du Petrole | DEVICE FOR AMPLIFYING AND SAMPLING MULTIPLEX SIGNALS |
US4406923A (en) * | 1981-10-28 | 1983-09-27 | Cbs Inc. | Automatic loudness controller |
US4574248A (en) * | 1984-05-07 | 1986-03-04 | Rockwell International Corporation | RF Power amplifier for use with VHF transceivers |
GB2163311A (en) * | 1984-08-17 | 1986-02-19 | Philips Electronic Associated | Bipolar transistor rf power amplifier |
US4709215A (en) * | 1985-12-30 | 1987-11-24 | Hughes Aircraft Company | Traveling wave tube drive controller |
US4694258A (en) * | 1986-03-14 | 1987-09-15 | General Instrument Corporation | Method and system of enhancing performance of feedforward amplifiers |
JPS62216511A (en) * | 1986-03-18 | 1987-09-24 | Nec Corp | Automatic gain controller |
-
1990
- 1990-09-25 FI FI904712A patent/FI86350C/en not_active IP Right Cessation
-
1991
- 1991-09-23 WO PCT/FI1991/000292 patent/WO1992005631A1/en unknown
- 1991-09-23 AU AU85093/91A patent/AU8509391A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FI904712A0 (en) | 1990-09-25 |
FI86350B (en) | 1992-04-30 |
FI86350C (en) | 1992-08-10 |
WO1992005631A1 (en) | 1992-04-02 |
AU8509391A (en) | 1992-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: TELENOKIA OY |