FI20002396A0 - Linearisointimenetelmä ja vahvistinjärjestely - Google Patents
Linearisointimenetelmä ja vahvistinjärjestelyInfo
- Publication number
- FI20002396A0 FI20002396A0 FI20002396A FI20002396A FI20002396A0 FI 20002396 A0 FI20002396 A0 FI 20002396A0 FI 20002396 A FI20002396 A FI 20002396A FI 20002396 A FI20002396 A FI 20002396A FI 20002396 A0 FI20002396 A0 FI 20002396A0
- Authority
- FI
- Finland
- Prior art keywords
- amplifier arrangement
- amplifier
- signal
- output signal
- linearization method
- Prior art date
Links
Classifications
-
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
-
- 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
- H03F1/0266—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 by using a signal derived from the input signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/462—Indexing scheme relating to amplifiers the current being sensed
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/99—A diode as rectifier being used as a detecting circuit in an amplifying circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20002396A FI114666B (fi) | 2000-10-31 | 2000-10-31 | Linearisointimenetelmä ja vahvistinjärjestely |
AT01980580T ATE348445T1 (de) | 2000-10-31 | 2001-10-30 | Linearisierungsverfahren und verstärkeranordnung |
DE60125230T DE60125230T2 (de) | 2000-10-31 | 2001-10-30 | Linearisierungsverfahren und verstärkeranordnung |
US10/415,331 US6970041B2 (en) | 2000-10-31 | 2001-10-30 | Linearization method and amplifier arrangement |
PCT/FI2001/000947 WO2002037670A1 (en) | 2000-10-31 | 2001-10-30 | Linearization method and amplifier arrangement |
EP01980580A EP1340314B1 (en) | 2000-10-31 | 2001-10-30 | Linearization method and amplifier arrangement |
AU2002212394A AU2002212394A1 (en) | 2000-10-31 | 2001-10-30 | Linearization method and amplifier arrangement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20002396A FI114666B (fi) | 2000-10-31 | 2000-10-31 | Linearisointimenetelmä ja vahvistinjärjestely |
FI20002396 | 2000-10-31 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20002396A0 true FI20002396A0 (fi) | 2000-10-31 |
FI20002396A FI20002396A (fi) | 2002-05-01 |
FI114666B FI114666B (fi) | 2004-11-30 |
Family
ID=8559409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20002396A FI114666B (fi) | 2000-10-31 | 2000-10-31 | Linearisointimenetelmä ja vahvistinjärjestely |
Country Status (7)
Country | Link |
---|---|
US (1) | US6970041B2 (fi) |
EP (1) | EP1340314B1 (fi) |
AT (1) | ATE348445T1 (fi) |
AU (1) | AU2002212394A1 (fi) |
DE (1) | DE60125230T2 (fi) |
FI (1) | FI114666B (fi) |
WO (1) | WO2002037670A1 (fi) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6684064B2 (en) * | 2000-03-29 | 2004-01-27 | Interdigital Technology Corp. | Dynamic bias for RF power amplifiers |
US6791418B2 (en) | 2002-10-02 | 2004-09-14 | Koninklijke Philips Electronics N.V. | Capacitor coupled dynamic bias boosting circuit for a power amplifier |
WO2004055973A1 (en) * | 2002-12-16 | 2004-07-01 | Koninklijke Philips Electronics N.V. | Sliding bias circuit for enabling dynamic control of quiescent current in a linear power amplifier |
KR20050104652A (ko) * | 2004-04-29 | 2005-11-03 | 삼성에스디아이 주식회사 | 전자 방출 표시 장치 및 그 구동 방법 |
JP5298203B2 (ja) | 2008-12-10 | 2013-09-25 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | Nat経由のデータセッションのポリシー及び課金制御のための制御セッションのトークンベースの相関 |
US8391806B2 (en) * | 2011-01-04 | 2013-03-05 | Research In Motion Limited | Wireless communications device with an adjustable impedance matching network and associated methods |
CN105763164A (zh) * | 2014-12-16 | 2016-07-13 | 沈阳中科微电子有限公司 | 一种射频功率放大器电路 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4462004A (en) * | 1982-03-18 | 1984-07-24 | At&T Bell Laboratories | Dynamic class-4 FET amplifier |
US4591800A (en) * | 1984-10-01 | 1986-05-27 | Motorola, Inc. | Linear power amplifier feedback improvement |
GB8828635D0 (en) * | 1988-12-08 | 1989-01-11 | Hewlett Packard Co | Rf amplifier bias circuit |
JPH03198512A (ja) * | 1989-12-27 | 1991-08-29 | Mitsubishi Electric Corp | 高周波増幅器 |
US5420536A (en) * | 1993-03-16 | 1995-05-30 | Victoria University Of Technology | Linearized power amplifier |
FR2708399B1 (fr) * | 1993-06-30 | 1995-08-25 | Alcatel Telspace | Système de commande de la polarisation d'un amplificateur. |
US5426641A (en) * | 1994-01-28 | 1995-06-20 | Bell Communications Research, Inc. | Adaptive class AB amplifier for TDMA wireless communications systems |
US5712593A (en) * | 1996-02-05 | 1998-01-27 | Motorola, Inc. | Linear power amplifier with distortion detection |
US5936464A (en) * | 1997-11-03 | 1999-08-10 | Motorola, Inc. | Method and apparatus for reducing distortion in a high efficiency power amplifier |
IT1297358B1 (it) * | 1997-12-24 | 1999-09-01 | Cit Alcatel | Circuito di amplificazione lineare di potenza ad alto rendimento per segnali con elevato rapporto tra potenza di picco e potenza media. |
GB2345212B (en) | 1997-12-31 | 2000-11-29 | Motorola Inc | Device having a tracking power converter for providing a linear power amplifier |
US6008698A (en) * | 1998-05-18 | 1999-12-28 | Omnipoint Corporation | Amplifier with dynamically adaptable supply current |
US6107880A (en) * | 1998-08-06 | 2000-08-22 | Motorola, Inc. | Method and apparatus for increasing the linearity of the phase and gain of a power amplifier circuit |
US6043707A (en) * | 1999-01-07 | 2000-03-28 | Motorola, Inc. | Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier |
-
2000
- 2000-10-31 FI FI20002396A patent/FI114666B/fi not_active IP Right Cessation
-
2001
- 2001-10-30 AT AT01980580T patent/ATE348445T1/de not_active IP Right Cessation
- 2001-10-30 AU AU2002212394A patent/AU2002212394A1/en not_active Abandoned
- 2001-10-30 WO PCT/FI2001/000947 patent/WO2002037670A1/en active IP Right Grant
- 2001-10-30 US US10/415,331 patent/US6970041B2/en not_active Expired - Lifetime
- 2001-10-30 DE DE60125230T patent/DE60125230T2/de not_active Expired - Lifetime
- 2001-10-30 EP EP01980580A patent/EP1340314B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI114666B (fi) | 2004-11-30 |
EP1340314A1 (en) | 2003-09-03 |
US20040012443A1 (en) | 2004-01-22 |
US6970041B2 (en) | 2005-11-29 |
DE60125230D1 (de) | 2007-01-25 |
EP1340314B1 (en) | 2006-12-13 |
ATE348445T1 (de) | 2007-01-15 |
DE60125230T2 (de) | 2007-04-26 |
FI20002396A (fi) | 2002-05-01 |
WO2002037670A1 (en) | 2002-05-10 |
AU2002212394A1 (en) | 2002-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Ref document number: 114666 Country of ref document: FI |
|
PC | Transfer of assignment of patent |
Owner name: ELEKTROBIT WIRELESS COMMUNICATIONS OY Free format text: ELEKTROBIT WIRELESS COMMUNICATIONS OY |
|
MM | Patent lapsed |