SE9701452L - Anordning och förfarande vid effektförstärkning av signal - Google Patents
Anordning och förfarande vid effektförstärkning av signalInfo
- Publication number
- SE9701452L SE9701452L SE9701452A SE9701452A SE9701452L SE 9701452 L SE9701452 L SE 9701452L SE 9701452 A SE9701452 A SE 9701452A SE 9701452 A SE9701452 A SE 9701452A SE 9701452 L SE9701452 L SE 9701452L
- Authority
- SE
- Sweden
- Prior art keywords
- power
- reference level
- output signal
- relation
- signal
- Prior art date
Links
- 230000003321 amplification Effects 0.000 title abstract 3
- 238000003199 nucleic acid amplification method Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/004—Control by varying the supply voltage
-
- 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
- H03F1/0211—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 supply voltage or current
- H03F1/0216—Continuous control
- H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
-
- 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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9701452A SE520227C2 (sv) | 1997-04-18 | 1997-04-18 | Effektförstärkarkrets, samt förfarande för reglering och användning av en sådan krets |
PCT/SE1998/000617 WO1998048510A2 (en) | 1997-04-18 | 1998-04-03 | An arrangement and method relating to signal power amplification |
AU70899/98A AU7089998A (en) | 1997-04-18 | 1998-04-03 | An arrangement and method relating to signal power amplification |
US09/061,966 US5999057A (en) | 1997-04-18 | 1998-04-17 | Arrangement and method relating to signal power amplification |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9701452A SE520227C2 (sv) | 1997-04-18 | 1997-04-18 | Effektförstärkarkrets, samt förfarande för reglering och användning av en sådan krets |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9701452D0 SE9701452D0 (sv) | 1997-04-18 |
SE9701452L true SE9701452L (sv) | 1998-10-19 |
SE520227C2 SE520227C2 (sv) | 2003-06-10 |
Family
ID=20406627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9701452A SE520227C2 (sv) | 1997-04-18 | 1997-04-18 | Effektförstärkarkrets, samt förfarande för reglering och användning av en sådan krets |
Country Status (4)
Country | Link |
---|---|
US (1) | US5999057A (sv) |
AU (1) | AU7089998A (sv) |
SE (1) | SE520227C2 (sv) |
WO (1) | WO1998048510A2 (sv) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1017165A1 (fr) * | 1998-12-31 | 2000-07-05 | TRT Lucent Technologies (SA) | Procédé de réglage de la puissance de sortie d'un amplificateur de puissance |
US6684064B2 (en) * | 2000-03-29 | 2004-01-27 | Interdigital Technology Corp. | Dynamic bias for RF power amplifiers |
US6639461B1 (en) * | 2001-08-30 | 2003-10-28 | Sierra Monolithics, Inc. | Ultra-wideband power amplifier module apparatus and method for optical and electronic communications |
US6819941B2 (en) | 2001-10-11 | 2004-11-16 | Rf Micro Devices, Inc. | Single output stage power amplification for multimode applications |
US6667659B2 (en) * | 2002-02-28 | 2003-12-23 | Motorola, Inc. | High efficiency amplifier |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01314431A (ja) * | 1988-06-15 | 1989-12-19 | Mitsubishi Electric Corp | 送信電力制御回路 |
GB8918365D0 (en) * | 1989-08-11 | 1989-09-20 | Motorola Ltd | Amplifier for radio transmitter having controllable output power |
US5126688A (en) * | 1990-03-20 | 1992-06-30 | Oki Electric Co., Ltd. | Power amplifying apparatus for wireless transmitter |
US5182527A (en) * | 1990-03-30 | 1993-01-26 | Oki Electric Industry Co., Ltd. | Power amplifying apparatus for wireless transmitter |
TW198152B (sv) * | 1990-10-18 | 1993-01-11 | Hitachi Seisakusyo Kk | |
JP3086512B2 (ja) * | 1990-11-14 | 2000-09-11 | エリクソン−ジーイー モービル コミュニケーションズ ホールディング インコーポレイテッド | 送信機及びその電力増幅回路 |
US5128629A (en) * | 1991-04-22 | 1992-07-07 | Hughes Aircraft Company | Method for controlling the output power of digital cellular telephones |
CA2088813C (en) * | 1992-03-02 | 2004-02-03 | Willem G. Durtler | Automatic level control circuit for dual mode analog/digital cellular telephone |
US5590418A (en) * | 1993-09-30 | 1996-12-31 | Motorola, Inc. | Method and apparatus for stabilizing the gain of a control loop in a communication device |
US5422595A (en) * | 1993-11-24 | 1995-06-06 | Sgs-Thomson Microelectronics, Inc. | Miniature, low cost power amplifier monitor |
JPH07154169A (ja) * | 1993-11-30 | 1995-06-16 | Matsushita Electric Ind Co Ltd | 高周波電力増幅器 |
US5426641A (en) * | 1994-01-28 | 1995-06-20 | Bell Communications Research, Inc. | Adaptive class AB amplifier for TDMA wireless communications systems |
JP3368069B2 (ja) * | 1994-10-06 | 2003-01-20 | 株式会社日立国際電気 | Fpu装置のshf電力切換方式 |
US5640691A (en) * | 1994-12-19 | 1997-06-17 | Lucent Technologies Inc. | Power controller for RF transmitters |
-
1997
- 1997-04-18 SE SE9701452A patent/SE520227C2/sv unknown
-
1998
- 1998-04-03 WO PCT/SE1998/000617 patent/WO1998048510A2/en active Application Filing
- 1998-04-03 AU AU70899/98A patent/AU7089998A/en not_active Abandoned
- 1998-04-17 US US09/061,966 patent/US5999057A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1998048510A3 (en) | 1999-01-21 |
WO1998048510A2 (en) | 1998-10-29 |
SE9701452D0 (sv) | 1997-04-18 |
US5999057A (en) | 1999-12-07 |
AU7089998A (en) | 1998-11-13 |
SE520227C2 (sv) | 2003-06-10 |
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